Rør, hvis du tør



Re: Rør, hvis du tør

Indlægaf Claus-DK » 17. jan 2014, 18:49

Så fik vi vores første sticky i "forstærkere" denne tråd må aldrig drukne og forsvinde i andre tråde og skal til evig tid være let tilgængelig for hele verden..

Tak for dit kæmpearbejde Ketil.. 9musik
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Re: Rør, hvis du tør - Rogue Audio

Indlægaf kvik » 17. jan 2014, 19:05

Rougue Audio RH-5 ($2495)

Rougue Audio RH-5.jpg
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The Rogue Audio RH-5 headphone amplifier brings our groundbreaking RP-X technology platform to the personal audio world. The new RH-5 will deftly drive the most demanding headphones with a clarity, richness and tube smoothness that must be heard to be believed. Beyond its remarkable performance and design, the feature rich RH-5 provides a wide variety of connectivity and user selectable listening options. Ultra quiet, powerful and sublimely musical, the RH-5 offers a superb new option for high end headphone users.



Features include three pairs of RCA inputs and one pair of balanced XLR inputs. Headphone outputs are provided via 3 pin and 4 pin fully balanced outputs as well as two 1/4" TSR headphone jacks enabling a shared listening experience. Three gain settings allow the output to be matched for either high, medium or low sensitivity headphones. An easy to read OLED display elegantly communicates component settings and volume. The display can also be turned off if desired. The seven button remote allows you to turn on the RH-5, change volume, select source and mute output as well as dim the display.

The RH-5 is not just a superb headphone amplifier, it can also be used as the cornerstone of your two channel audio system. Offering both balanced and single ended preamplifier outputs, the RH-5 will also do a wonderful job of driving your preferred amplifier and speakers. An optional phono board also allows you to play your favorite records through either the headphones or loudspeakers. The onboard MM/MC phono has user adjustable gain settings of 43 and 58 dB to accommodate most popular cartridges. A wide variety of loading options also means your favorite cartridge can be configured to sound its very best.



General Features:

• Two tube mu-follower design

• High current MOSFET buffered outputs

• L/R 3 pin XLR headphone outputs

• 4 pin XLR headphone outputs

• Two 1/4" TSR headphone jacks

• Multi function remote control

• Three faceplate accessible gain settings

• Three pairs of RCA inputs

• Slow start turn on sequencing

• One pair of balanced XLR inputs

• One pair of balanced XLR preamp outputs

• One pair of RCA preamp outputs

• Gold plated RCA jacks

• Machined aluminum faceplate and knobs

• OLED display with on/off

• 43/58 dB MM/MC phono stage (optional)

• RIAA equalization within 0.1 DB

• User adjustable cartridge loading

• Detachable IEC power cord

• Fully tested, burned in and auditioned

• 3 year limited warranty (6 months on tubes)

• Proudly designed and hand crafted in the USA!

Specifications:
• Tube complement: 2 x 12AU7/ECC82 tubes

• Frequency response: 5Hz – 50KHz +/- 1 dB

• THD: <0.05%

• Gain line stage: 3dB/12dB/16dB (selectable)

• Rated output: 3.5W (32Ω)

• Output impedance: <0.1Ω (1KHz)
• Gain phono stage: 43dB, 58dB

• RIAA accuracy: +/- 0.1 dB

• Phono overload: 40mV

• Power consumption on: 31W

• Dimensions: 15”W X 13.5 ”D X 4” H

• Weight 19 pounds

• Shipping weight 25 pounds

• Power requirements 115V – 50/60Hz

• Power requirements 220/230/240V – 50/60Hz


http://www.rogueaudio.com/Products_RH5.htm
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Re: Rør, hvis du tør

Indlægaf Lanzky » 17. jan 2014, 19:22

Prisværdigt arbejde, Ketil. Begge tomler op herfra. Næste skridt må velsagtens være, at en bruger tager en - eller fem - for holdet.
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Re: Rør, hvis du tør - McAlister Audio

Indlægaf kvik » 17. jan 2014, 19:33

McAlister MA-10B Custom Triode Line/Headphone Amp ($1650)

McAlister MA-10B.jpg
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Here is a custom built line level pre-amp & headphone amplifier. This amplifier is a special proprietary designed mu-follower with a 6MJ8 (All three triodes paralleled for the lowest noise and output impedance) as the gain tube and a 6MN8 as the current source for each channel. This is an extremely stable natural sounding pre-amp that uses no feedback and has no electrolytic capacitors in the signal path- only in the power supply.

The high voltage power supply regulator circuit uses a horizontal sweep tube followed with an oil filled capacitor. Secondary filtration with electrolytics by-passed with film caps. Regulated D.C. filament supplies are used for the 6MJ8 and 6MN8 tubes. The front panel has a four position selector switch, mute switch, volume, balance and headphone jack. The back panel has two sets of line out (RCA) four sets of RCA inputs, IEC connector and fuse holder. Using as a headphone amplifier there is plenty of headroom with 92 volts peak to peak that will sufficiently drive any headphone from 10 – 2,000 ohm impedance. As a line pre-amp you have 17dB of gain without feedback.

To sum up, this preamp uses no feedback, no transistors; no electrolytic capacitors in the signal path, parallel triode sections for extremely low impedance and noise with horizontal sweep tube rectification and D.C. filament supplies. This unit can serve as a high end purity line stage and also a superb headphone amplifier.


Build Features:
• No feedback design
• Hardwired point to point.
• Only film capacitors in the in signal path- no electrolytic
• D.C. filament supply
• 17db gain
• 100k input impedance
• LED color choice for power on and operation status
• Maple, Cherry, Oak or Walnut wood choices
• Amplifier dimensions:19x W x 14”D
• Shipping weight: 22lbs

Options:
• Headphone / line front panel selector switch
• Balance control
• Additional inputs / outputs
• 240 volt mains

Note: Model MA-12 is the same as the MA-10B but has a remote control for the volume and inputs with some additional unique features.



McAlister MA-15 Line Stage Pre-Amplifier with MM Phono Stage

McAlister MA-15 Line Stage Pre-Amplifier.jpg
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The MA-15 shares the identical circuit as the MA-10B line amplifier with the addition of a 4-tube M/M phono stage. This amplifier is a special proprietary designed mu-follower with a 6MJ8 (three triodes paralleled for the lowest noise and output impedance) as the gain tube and a 6MN8 as the current source for each channel. This is an extremely stable natural sounding pre-amp that uses no feedback and has no electrolytic capacitors in the signal path- only in the power supply. The phono stage uses 4 x 6N2P and one12AT7 tube in a special proprietary phono stage with separate regulated high voltage and D.C. filament supplies. RIAA equalization is passive with no feedback.

The high voltage power supply regulator circuit uses a horizontal sweep tube followed with an oil filled capacitor. Secondary filtration with electrolytics by-passed with film caps. Regulated D.C. filament supplies are used for the 6MJ8’s and 6MN8’s. The front panel has a four position selector switch, mute switch and volume. The back panel has two sets of line out (RCA) four sets of RCA inputs and IEC connector. As a line pre-amp you have 17dB of gain without feedback and 30db of gain in the phono stage.

To sum up, this preamp uses no feedback, no transistors; no electrolytic capacitors in the signal path, horizontal sweep tube regulation with D.C. filament supplies.


Build Features:
• No feedback design
• Hardwired point to point.
• Only film capacitors in the in signal path- no electrolytic
• D.C. filament supply
• 17db gain – Line Stage
• 30dB gain with passive RIAA equalization in the phono stage
• 100k input impedance
• LED color choice for power on and operation status
• Maple, Cherry, Oak or Walnut wood choices
• Amplifier dimensions:19x W x 14”D
• Shipping weight: 24lbs

Options:
• Headphone front panel jack
• Additional inputs / outputs
• 240 volt mains



http://www.mcalisteraudio.com/products.htm
Senest rettet af kvik 17. feb 2014, 18:33, rettet i alt 1 gang.
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Re: Rør, hvis du tør

Indlægaf Coach-Z » 17. jan 2014, 19:53

Nu er jeg en fattig mand og de forstærkere du henviser til er meget dyre allesammen ser det ud til... nu er dyrt jo relativt, men findes der rørforstærkere der er bare nogenlunde gode til under 1500kr?
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Re: Rør, hvis du tør - HeadAmp

Indlægaf kvik » 17. jan 2014, 20:02

HeadAmp Aristaeus ($4000)

HeadAmp Aristaeus.jpg
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The Aristaeus is a unique amplifier for HeadAmp, featuring a warm, smooth, slightly laid-back sound, and gorgeous inset wood panels.  The Aristaeus pairs well with STAX electrostatic headphones, and vintage Sennheiser electrostats also.  The lush midrange presentation and smooth top end make for an extremely involving listen and natural sound when combined with inherent speed and detail of electrostatic headphones.  If you are looking to add a new layer of musicality and enjoyment to your headphone system, the Aristaeus should be at the top of your list.

The Aristaeus design dates back over a decade, to an extremely limited edition amplifier timed to coincide with a re-release of the Sennheiser Orpheus (HE90) electrostatic headphone. Inspired by the original Orpheus amplifier, the current Aristaeus features a number of improvements in parts and build quality, and, as always, the exemplary fit and finish of all HeadAmp products. Every Aristaeus is tested extensively throughout the build process, as well as before, and after an extensive burn-in process to ensure the best possible performance.


Specifications
• Type:Vacuum Tube (2x 12AX7/ECC83, 4x 6GW8/ECL86)
• Frequency Response: 5Hz-20KHz +/- 0.5dB
• THD: 0.05% @ 1KHz/100VRMS
• SNR: 90dB
• Gain: 52.5dB (425x)
• Input Impedance: 50K ohm
• Output Voltage: 1200V peak-to-peak
• Line Voltage: 115/120V, 230/240V
• Power Consumption: 60W
• Inputs: 1 RCA
• Outputs: 1 Stax Pro bias (580V), 1 Sennheiser HE90 (500V)
• Dimensions – Amplifier: 11in [279mm] W x 9.5in [241mm] D x 4.5in [114mm] H (with tubes installed)
• Dimensions – Power Supply: 11in [279mm] W x 9.5in [241mm] D x 3in [76mm] H
• Weight – Ampifier: 5lb [2.3Kg]
• Weight – Power Supply: 9lb [4.1Kg]
• Power Cable: 4ft [1.2m] (connects power supply to amplifier)

https://www.headamp.com/order/headamp-aristaeus/



HeadAmp Blue Hawaii SE ($6000-6880)

HeadAmp Blue Hawaii SE.jpg
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The Blue Hawaii SE is the flagship HeadAmp product, and based on over a decade’s experience building electrostatic headphone amplifiers, it is designed not only to power the toughest headphone loads on the market, but to do so for a lifetime. No expense was spared in the design and build of the Blue Hawaii SE, and every amplifier is tested extensively throughout the build process, as well as before, and after an extensive burn-in process to ensure the best possible performance.

No other amplifier on the market can provide electrostatic headphones with the accuracy, drive, and control of the Blue Hawaii SE. When paired with the Stax SR-009 or SR-007, the headphones come alive with detail, transparency, and bass control unheard of with lesser amplifiers. With more power on tap than any other commercial electrostatic headphone amplifier, the Blue Hawaii SE can find a home in any audio system, and its’ clean, modern lines will always draw admiration.

The Blue Hawaii SE is available with two volume control options. The first is a 24-level step attenuator, providing perfect channel matching at each possible volume level. For those who desire infinitely granular volume control, we offer the ALPS RK50 potentiometer, the highest-grade part of its’ kind, which gives you the freedom to set the volume just-so, without compromising sound quality.

There are also two options for feet on the Blue Hawaii SE. The precisely machined and finished aluminum spike feet match the accent color of the front panels ad tube rings, and are compatible with various audiophile isolation platforms. We also offer a set of rubber feet that offer different isolation characteristics, and a non-mar option for delicate surfaces.


Specifications
• Type: Low noise dual JFET input; 4x EL34/6CA7 vacuum tube output
• Frequency Response: 5Hz-20KHz +/- 0.3dB
• THD: 0.003% @ 1KHz/100VRMS
• Gain: 54dB (500x)
• Input Impedance: 50K ohm
• Output Voltage: 1600V peak-to-peak
• Line Voltage: 100V, 115/120V, 230/240V
• Power Consumption: 180W
• Inputs: 1 XLR, 2 RCA
• Outputs: 2 Teflon Stax Pro Bias (580V) headphone jacks, 1 XLR/1 RCA loop output
• Dimensions – Amplifier: 15.5in [394mm] W x 13.5in [343mm] D x 8.5in [216mm] H (with tubes installed)
• Dimensions – Power Supply: 7.7in [195mm] W x 12.5in [317mm] D x 4.5in [114mm] H
• Weight – Ampifier: 14lb [6.4Kg]
• Weight – Power Supply: 17lb [7.7Kg]
• Power Cable: 4ft [1.2m] (connects power supply to amplifier)

https://www.headamp.com/order/blue-hawa ... l-edition/
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Re: Rør, hvis du tør - Ångstrom Audio Lab

Indlægaf kvik » 17. jan 2014, 20:07

Ångstrom Stella Headphone Amplifier MK2 ($13,750)

Ångstrom Stella Headphone Amplifier MK2.jpg
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STATE OF THE ART SOUND.. Each device from Angstrom Audio is one of a kind, manufactured in our laboratory with the care that is usually reserved for a work of art. From the simplest integrated stereo amplifier of the Stella series, up to the behemoth and exclusive Quantum series, the wiring of each piece is in full view, and realized in strict compliance with the design specifications of Roberto Garlaschi.

QUALITY STARTS FROM THE POWER SUPPLY.. The all-tube tube amplifier based on a circlotron design with two toroidal output transformers is supported by a double-stage power supply filtered against DC current pollution, for maximum current cleanliness. Thanks to this arrangement the signal is completely free from spuriae: the result is a clear sound, consistent performance and a complete absence of hum even from the least clean household electrical lines.

STEREO? NO, DUAL MONO.. The total separation of circuits of each channel, strictly observed in stereo-like integrated products, generates a signal that is characterized by a dynamic range beyond comparison


• Circuit Topology: Single ended with proprietary Circlotron output stage configuration.
• Power Output: 10.5 Watts per channel
• Total Harmonic Distorsion: 0.3% @1 W. - 1% at max. power
• Output: In Current
• Total Bandwidth: 12 Hz to 85 Khz
• Input Inpedance: 100K Ohm
• Dual Mono Power Supply
• Fully Regulated Power Supply 12 Tubes( 6 x channel)
• 2 ECC802S input/driver stage per channel
• 2 6CG7 double triode in triode composite Circlotron operating
• Output impedance drive 10-3K ohms
• Zero Feedback
• Slew Rate: 20 Volt / microseconds
• Rise Time: 2.3 microseconds
• Hum & Noise: Less than 2.0 mV RMS - 90 db (20 Khz unweighted)
• Residual noise: 43 microVolt
• PSU Energy Storage: Approximately 150 JOULES
• Dimensions: 48 cm W x 16 cm H x 43 cm D.
• Net Weight: 30 Kg.

http://www.angstromaudio.com/index.php? ... dphone-amp
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Re: Rør, hvis du tør

Indlægaf Mataugust » 17. jan 2014, 20:20

Coach-Z skrev:Nu er jeg en fattig mand og de forstærkere du henviser til er meget dyre allesammen ser det ud til... nu er dyrt jo relativt, men findes der rørforstærkere der er bare nogenlunde gode til under 1500kr?

Prøv at oprette en tråd om "billige" rørforstærkere, så skal du bare se 1musik
Audioquest Diamond-->Denafrips Ares/Thorens TD320 --> Luxman LV-107u --> AKG K872/Grado GS1000
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Re: Sv: Rør, hvis du tør

Indlægaf Coach-Z » 17. jan 2014, 21:21

Mataugust skrev:
Coach-Z skrev:Nu er jeg en fattig mand og de forstærkere du henviser til er meget dyre allesammen ser det ud til... nu er dyrt jo relativt, men findes der rørforstærkere der er bare nogenlunde gode til under 1500kr?

Prøv at oprette en tråd om "billige" rørforstærkere, så skal du bare se 1musik


Ja altså der er jo mange på eBay, men jeg kan ikke skelne skidt fra kanel, så vil nødig skrive alt for meget.

Men jeg kan da godt oprette en tråd med de billige ala den Ketil har lavet, men er det ikke smartere at holde det hele i en tråd?

Kan vi andre også tilføje ting til denne tråd, eller bør det være Ketil der gør det?



/Coach-Z

"Sendt fra min bærbare fladskærm med tæppesnak!!"
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Re: Rør, hvis du tør

Indlægaf Claus-DK » 17. jan 2014, 21:40

Shyyyyyy vi skal ikke støje, vi er i et showroom. læs første indlæg..
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Re: Rør, hvis du tør - ALO Audio

Indlægaf kvik » 17. jan 2014, 22:18

ALO Studio Six ($3900)

ALO Studio Six.jpg
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The Studio Six is a Class-A single-ended triode (SET) circuit design. Zero-feedback and 100% tube amplification. Its tubes have been hand-picked based on their long established reputations for sonic virtue. Particular attention is given to the power supply, which is intentionally “overbuilt” and features robust multi-stage high-voltage filtering, for exceptionally good low-frequency performance. A unique and proprietary output stage accommodates a wide range of headphone impedances from 8 to 600 ohms, with ease. The Studio Six drives many pairs of headphones with no sacrifice to fidelity. The ideal amp for shared listening sessions. The Studio Six features uncompromising quality in build and design throughout. It is an obsolescence-proof piece of audio equipment, a timeless design that is built to last a lifetime and deliver an unmatched sonic experience.

• Colors: Black, Silver
• Size: 16” x 11.5” x 5.75”
• Weight: 26.7 lbs
• Inputs: Stereo RCA Inputs x3
• Outputs: 1/4” Stereo Jack Output x4
• Stock Tubes: 6SN7 x1 (Electro Harmonix), 6V6 x2 (TAD), OB2 x2 (various NOS), 5AR4 x1 (JJ)
• Warranty: 5 year limited warranty

• Headphone impedance compatibility range: 8 Ohms to 600 Ohms
• Maximum rated output power: 1,000 milliwatts into 8 to 32 Ohms
• Amplifier input impedance: 95k-Ohms
• Amplifier input Voltage for full-rated output voltage into various headphone impedances:
1.00V RMS input for 4.0V RMS output into 16 Ohms
1.30V RMS input for 5.7V RMS output into 32 Ohms
1.70V RMS input for 7.5V RMS output into 75 Ohms
1.85V RMS input for 8.3V RMS output into 150 Ohms
1.70V RMS input for 8.2V RMS output into 300 Ohms
1.65V RMS input for 8.1V RMS output into 600 Ohms
• THD+N (1kHz input) at 1V RMS output into stated load impedances: 32 Ohms: 0.26%, 150 Ohms: 0.12%
• THD+N (1kHz input) at 250 milliwatts output into stated impedances: 32 Ohms: 1.0%, 150 Ohms: 2.0%
• Frequency Response -3dB (Referenced to 1kHz, 250 milliwatts output) into stated impedances: 32 Ohms: 6.0Hz to 39kHz, 150 Ohms: 16.5Hz to 36kHz
• Frequency Response -1dB at full-rated (2.83V RMS) 1,000 milliwatt output into 8 Ohms: 15Hz to 20kHz
• S/N Ratio: 78dB (unweighted) below full 2.83V RMS output into 8 Ohms
• Power (Mains) Compatibility: 100, 120 or 240 VAC (factory selected), 50-60Hz
• Power Consumption: 65 Watts Maximum

http://www.aloaudio.com/amplifiers/studio-six


ALO Continental Duo Mono ($1500)

ALO Continental Duo Mono.jpg
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Epic Amplifier ... When we started working on our newest generation Continental wanted to do something amazing. We examined each element of the amplifier – 6111 tubes, Wolfson DAC, Power Supply, Volume Potentiometer, Battery, Capacitors – to find the best sounding component.

Pure Power ... Each stage of the CDM has its own dedicated linear voltage regulator. This means the internal voltage of each stage is independent. This minimizes the sharing of differing internal voltages across each stage of amplification and the digital to analog converter.

Touch of Tubes ... At the center of The Continental Dual Mono are a pair of New-Old Stock 6111 Vacuum Tubes. Each tube is individually soldered to a custom PCB.  This provides mechanical isolation of each tube, insulating them from unwanted microphonics. It also provides a quick and easy solution for tube-rolling.

Supremely Solid (State) ... The Continental Dual Mono is a “tube/SS hybrid” amplifier. It delivers the low output impedance, tight bass and sonic precision of a solid-stage amp, but with the added midrange richness, expanded soundstage and spaciousness of a tube amp.

Digital Dynamo ... The Wolfson WM8741 DAC chip occupies the heart of The Continental Dual Mono’s digital section. It has exceptional signal to noise ratio and extended dynamic range. It also provides low noise, low distortion and superior linearity. The power feed to the digital section is turned OFF when the USB cable is unplugged.  When the DAC is active, the internal Li-Ion battery and linear voltage regulators provide the power.  The noisy 5V rail from the USB is not used for any part of the power. This means less grain to the sound and no digital harshness.

True Line Out ... The Continental Dual Mono has a true “Line Out” on the rear panel.  This is a fixed 2Vrms analog output signal. This signal is from the output of the DAC’s analog output stage. It is tapped before going through the volume control or headphone output stage. We included this feature to showcase this exceptional DAC.

Big Beautiful Battery ... A 3 cell Panasonic NCR18650 pack (in series) provides clean, reliable power to The Continental Dual Mono. Using a high quality battery to power The Continental Dual Mono makes the music come alive. Beyond the low noise floor you’ll discover tight controlled bass, natural midrange and a grain-free extended top-end.  The clean power is immediately appreciable in the dynamic sound from the amplifier.


Specifications
• Digital: Wolfson WM8741 DAC; Cmedia USB-Receiver
• Tubes: 2x Sylvania 6111WA on PCB
• Batteries: 3x Panasonic 18650 w/protection
• Power Output SE: [email protected]Ω; [email protected]Ω; [email protected]Ω; [email protected]Ω
• Power Output BAL: [email protected]Ω; 145mW/50Ω; [email protected]Ω; [email protected]Ω
• Input Impedance: SE 10k; BAL 50k
• Output impedance SE and BAL: <1Ω
• Switches: High/Low Gain; Input Selection
• Outputs: 2.5 BAL HP-Out; 3.5 SE HP-Out; 3.5 SE Line-Out
• Inputs: Micro-USB Digi-In; 2.5 BAL Line-In; 3.5 SE Line-In; DC Input
• Dimensions (LWH): 145 x 83 x 26 mm
• Weight: 412 grams
• Included: USB cable; Wall Charger

https://www.aloaudio.com/shop/continental-dual-mono/
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Re: Rør, hvis du tør - Ray Samuels Audio

Indlægaf kvik » 17. jan 2014, 22:21

RSA Emmeline II, “The Raptor” ($1175)

RSA Emmeline II, “The Raptor”.jpg
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The Raptor was designed with two goals in mind, first an amp with a small foot prints, secondly an amp capable of driving any headphones available in the high end whether being high or low impedance. The Raptor is an output transformer less amp “OTL”; it is designed using a single 12AU7, a triode, as input/gain for both channels & two powerful driver tubes “5687” one for each channel, in a SRPP configuration to drive the load.

Specifications
• Input impedance 50K
• Frequency response 10-300k
• Total harmonic distortion around .09%
• Output impedance 32-2000 ohms
• Gain around 14
• Tube compliment, one12AU7 for input
• Driver tubes two 5687 as buffers. h2.

Dimensions
• Amp Section, (WxDxH) 5.75 x 4.25” x 2.00” (w/tubes 4.00”)
• Power supply (WxDxH) 8.00” x 5.75” x 3.00”
• Weight around 8 pounds.

http://www.raysamuelsaudio.com/products/raptor



RSA Emmeline II, “The Stealth” ($2500)

RSA Emmeline II, “The Stealth”.jpg
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Pre-Amp/Headphone Amp

The Stealth is designed with the highest quality audiophile grade components and the shortest possible paths for the audio signal to pass through. All components are hand selected and matched between left and right channels.

The Stealth has four inputs and two outputs, all designed around a rotary switch on a special I-O PC board thereby completely eliminating the use of wires and making the signal paths short and pure. A large advantage of this design is that you will find no wires routed all over the amp to the rotary switch, eliminating any chance of cross-talk between the channels.

The Stealth is capable of driving two or four monoblocks for bi-amping a speaker system. The function rotary switch takes you through the sequence of turning the filament (heater) on first then sending a signal to the power supply to turn the DC Voltage on, during these operations, the audio signal is completely muted, then last, the audio signal is passed through the tubes. The Stealth, when used as a pre-amp, runs in a pure class-A single ended with only the one Hovland Cap in the signal path.

When designing the amp, the decision was made to design the circuit around the new stock tubes, which are available and for a low price. This design decision permits the circuit to operate many low, medium, and high gain tubes that are available today from current manufacturers. NOS tubes are also available and will provide the user with even more choices. You can use 12-AU7, 12-AT7, 12-AX7, and many more.

The Stealth will enable you to adjust your gain (volume) to your liking depending on the strength of your input signal. This will eliminate the need for a gain switch especially when an attenuator is being used. Thus the flexibility and strength of this amp will make you appreciate the variety and number of tubes that it can accommodate to tailor the sound to your liking. The Stealth’s chassis is a custom built black anodized aluminum, silk screened with silver lettering. It shields all electronics components from RF signals noise through DC ground of the power supply.

The power supply is housed in a very elegant black anodized aluminum chassis, and connected to the amp through a 5.5 foot shielded detachable umbilical cord. The transformer is a toroidal type known to be very efficient and run cool while operating without any noise or magnetic field that can cause all kinds of interferences. The AC is rectified through a full wave bridge rectifier, then stored in two separate filters while smoothened by a polypropylene capacitors. The raw rectified DC voltage is passed to a high voltage regulator capable of providing 700 ma of current. This is a state of art regulator chip is designed to work with very high voltages to provide the precise regulation needed. The regulated voltage is then stored and smoothed by another stage of filtering.

The filament voltage is provided by a high quality switching power supply that delivers 2.5 amps of current to drive any hungry tube filament with no problem. There are no upgrades offered or required with this preamp/headphone amplifier, as all parts used are of the highest audiophile quality.


Specifications
• Input Impedance: 50kOhms
• Sensitivity: .5-4Vpp
• Frequency Response: 20-80K
• Gain: with 12AU7 14
• THD: less than .08
• Headphone Output Impedance: 32 Ohms to 600 Ohms
• Tube Complement: one 12AU7 for the gain, 2 6SN7 as drivers.
• Dimensions: preamplifier 10x7x2, power supply 10x7x3.5 (inches)

http://www.raysamuelsaudio.com/products/stealth



RSA Emmeline II, “The B-52” ($5350)

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Fully balanced Headphone amplifier and full functioning preamplifier.

The B-52 has dual mono power supplies. Each dedicated to one channel. It is highly rectified using high quality Panasonic power caps, and state-of-the-art 10 watt ceramic resistors. This process ensures that the proper voltage is passed to the high voltage regulators that hold the voltage steady consistently without peaking or dropping as the input AC voltage fluctuates. Every component is hand selected and matched between the left power supply and the right power supply. The two power supplies have a tolerance within 1-2 VDC. There are two LED’s on the face plate of the power supply each indicating that the power supply is outputting the correct voltage required. The power supply runs cold to touch and you can leave it on as long as your heart desires with out any concerns. It is capable of running 3 amp sections of the B-52 without a problem. When the power switch is activated, the plate voltage/high voltage, is ramped up slowly before applying the tube full operating power, which allows the filament voltage, which is +12.6VDC to arrive to the tube first before the full plate voltage achieves it’s maximum value to help prolong the life of the tubes. The power supply is completely free of any mechanical noise generated from any conventional transformers and has the lowest possible emission of electro-mechanical noise.

The technology involved in the pre-amp/headphone amp chassis of the B-52 is so advanced and intuitive it is dazzling. The only effort you are required to do is turning the selector switch to the desired input. Next, you select balanced or single ended input and the B-52 will do the rest. For example, If you choose input #1 which is a balanced XLR input, left & right channels, the B-52 will short out all the other four, unused inputs, left and right channels, whether being balanced or single ended, to the ground, not allowing any of them to introduce any cross talk or unwanted signal to the selected input. The B-52 has a tape loop/record out feature, both in the balanced and single ended mode. If the balanced XLR input option has been chosen, the chosen signal path will appear as fully balanced on the balanced XLR tape loop and also will appear as a single ended on the single ended tape loop in RCA. This gives you two tape loops in both balanced & single ended mode. If single ended, RCA, input has been selected, the “tape loop out” will have identical signal present at the RCA tape loop and the same signal will appear on the balanced XLR tape loop but in a single mode.,The same applies on the Headphone Amp Outputs. Both are active, balanced XLR & the ¼” headphone output when any input has been selected whether balanced or single ended.

The volume control is DAC, CT-2. It has four independent sections; each section is assigned to one amplifier. The volume shaft is connected to custom manufactured anodized knob. Two switches are located between the input selector & volume control. One allows you to put the amp/pre-amp into the play mode or it mutes the signal in case there is a need to answer the phone with out lowering the volume control. This will operate in both modes as pre-amp & as the headphone amp.The second switch allows you to operate the B-52 as either fully balanced or non-balanced headphone amp or fully balanced or non-balanced pre-map to control mono blocks. You don’t have to turn your mono blocks off if you want to go into a headphone amp mode, the switch automatically shorts the inputs signals of the non selected mode to the ground allowing the selected mode to operate fully with out any noise. Your mono block will sit very quiet without emitting noise due to the fact that their inputs have been directed to ground. The same is true, if you select the pre-amp mode the input to your headphones is shorted to the ground and you have dead quite headphones with no noise at all.

The selection of tubes is made very simple. The back tubes 1 & 2 are input tubes controlling the gain, and 3 & 4 are pre-amp drivers. You can use 1-4 12AU7 tube or any substitute that compliments that tube. Tubes 1 & 2 should be a perfectly matched set, same for 3 & 4. In the third and forth location you can use 12AX7 matched set tubes also. The front four tubes are the drivers or buffers that power the headphones. They are not used during pre-amplification.

The B-52 offers the best of the 2 worlds available to you and has the power to drive any headphones with impedances between 32-600 ohms with a warm, soothing detailed sound that will put a big smile on your face. It just might be the very last pre-amp/headphone amp that you will ever need to purchase.


Specifications (Pre-Amp Section)
• Fully balanced, input to output.
• Input impedance 50k.
• Frequency response 10-100K.
• THD less than .008
• Output impedance around 300.
• Signal to noise -90dB
• Tube compliment, two 12AU7, in the gain section two 12AU7 or 12AX7 in the driver section.
• Two fully balanced inputs and three RCA inputs.
• Balanced and non-balanced tape loop.
• Fully balanced and non-balanced active pre-amp outputs.
• Balanced Attenuator.
• External power supply.

Specifications (Headphone Amp Section)
• Fully balanced input to output.
• Input impedance 50K.
• Output impedance 20-2K
• Frequency response 20-20K
• THD less that .08
• Fully balanced headphone output, XLR, and 1/4” jacks on the front panel.
• Tube compliment for the buffer section, four 5687.

http://www.raysamuelsaudio.com/products/b-52



RSA Emmeline II, “The A-10 Thunderbolt” ($6500)

RSA Emmeline II, “The A-10 Thunderbolt”.jpg
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Bristling with features, the Thunderbolt is both an electrostatic headphone amp and a pre-amp. This amp is an all-tube design for the audio section with a separate solid-state power supply, and uses matched pairs of 5687 tubes for the headphones, with matched 6SN7s used for the analog outputs of the pre-amp. Two balanced inputs, three unbalanced inputs, and a tape and pre-amp output (both with balanced and unbalanced connections) grace the rear of the main electronics unit, which can rest atop or aside the separate power supply.

The A-10 is designed to work with HE90, HE60, SR007 and the Jade. It is capable of driving all these headphones with utmost authority and control to levels beyond what the human ear can handle with out any hesitation, clipping or distortion. You can run two phones at the same time with out any problem of loss in quality of sound reproduction.

http://www.raysamuelsaudio.com/products/a-10
http://www.head-fi.org/t/417185/a-10-th ... mp-pre-amp
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Re: Rør, hvis du tør - Woo Audio

Indlægaf kvik » 17. jan 2014, 23:05

WA7 Fireflies (2nd gen) Headphone Amplifier/DAC (WA7 $1000, WA7+WA7tp $1600)

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The Woo Audio WA7 “Fireflies” Amp/DAC is a combination of high performance vacuum tube headphone amplifier with a built-in USB Digital-to-Analog Converter. It is a pure tube design, utilizing 6C45 tubes in a class-A, single-ended topology, with transformer coupled outputs. There are no semiconductors used in the entire amplification path. The D/A converter is designed to be capable of up to 24-bit/384k sampling rates. This maintains pure data integrity, which is transmitted via standard high speed USB 2.0 interface operating in asynchronous mode.

The high quality construction features include a pair of Nickel Alloy core output transformers, all-aluminum chassis with no screws visible from any viewing angles, a remote-controlled linear external power supply for amplification circuitries, a custom built toroidal power transformer, and multi-layer military grade PCBs.

The dedicated port for in-ear-monitors carries a full range of volume controls ensuring minimal noise. Despite its incredibly compact size, “Fireflies” is a power-house with the capacity to drive almost any demanding audiophile headphones. To accommodate different system setup needs, “Fireflies” can also be used as a stand-alone D-A Converter.

The optional WA7tp (left) is a vacuum tube external linear power supply utilizing two 12AU7 tubes as rectifiers. We chose the commonly available 12AU7 tube for the convenience of allowing the user to tubes swap among other brands available for a personalized, tailored sound signature. Moving up from the standard solid state power supply to the WA7tp would improve the overall sound quality, you should notice, enhanced the stereo separation, smoother treble, more air, more effortless sound.


Specifications
• Tubes: 6C45 driver/power x2, 12AU7/5963 rectifier x 2 with WA7tp upgrade
• Polytetrafluoroethylene (PTFE) tube sockets
• Singled-ended Triode, Class-A, Transformer-coupled
• ESS SABRE 24 bit, 384kHz DAC (ES9018K2M)
• XMOS xCORE-AUDIO asynchronous USB compatible with PC, Mac, Android and iOS devices
• High-retention USB connector x 1
• RCA analog Input x 1
• 1/4" (6.3mm) stereo headphone output (8–600 Ohms)
• 1/8” (3.5mm) stereo headphone output (for ultra-sensitive IEMs )
• Hi-Z/Lo-Z toggle switch on back panel
• Multi-functional switch for USB input, RCA input, and RCA output via D/A.
• Linear solid state power supply OR upgrade to WA7tp (tube power supply)
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes
• Dimensions/Weight: WA7 5 ¼ x 4.8 x 6" / 8.6 lbs., LPS 2.2 x 3.5 x 7" / 2.8 lbs., WA7tp 5 ¼ x 4.8 x 6" / 9.4 lbs.
• Global voltage (100v–240v) without converter

http://www.wooaudio.com/products/wa7fireflies.html



WA8 Eclipse Headphone Amplifier/DAC ($1800)

WA8 Eclipse.jpg
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Woo Audio’s epic WA8 Eclipse is the world's first battery-operated vacuum tube headphone amplifier. Featuring SET Class-A transformer output for transparent sound quality, a built-in 24bit/384kHz DAC, and easy transportability / set-up, high fidelity audio listening is possible anywhere.. With its high power output, the Eclipse is capable of driving high-end headphones of 8–600 ohm impedance, while its ultra-low noise circuitry is ideal for in-ear monitors.

While portable, the Eclipse boasts a robust military-grade vacuum tube design rated for 5,000 hours of life. Versatile in analog and digital realms, it offers two- or three-tube operation to tailor the sound quality to a variety of headphones and in-ear monitors. The Class-A, Single-ended Triode topology uses ultra-efficient OCC single crystal copper output transformers offering high bandwidth and low loss. The Eclipse also uses an audiophile-grade ESS SABRE Reference 24bit/384kHz DAC, excelling with hi-res music files and compatible with Apple iOS and Android devices.

The Eclipse operates via external DC power or "off-the-grid" battery operation. Advanced technology provides steady and pristine power to the vacuum tubes and the DAC, offering several hours of play – and the unit is operable during charging. For the first time, high-fidelity and uncompromised sound can be achieved without boundaries.


Specifications:
• Amp design: All-tube, Class-A, Single-ended Triode transformer-coupled
• Tubes: Subminiature 6S31B power x2, 6021 driver x1 (User replaceable vacuum tubes kit available for purchase)
• DAC: ESS SABRE Reference DAC (ES9018K2M), Hi-res music playback up to 24-bit/384kHz
• USB: XMOS xCORE-AUDIO asynchronous USB compatible with Mac, PC, Android and iOS devices
• Inputs: USB (Type-B) digital input, and 1/8" (3.5mm) analog input
• Outputs: 1/4” (6.3mm) and 1/8” (3.5mm) headphone outputs
• Headphone impedance: 8-600 Ohms
• Power rating (3-tube): [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected], [email protected]Ω
• Input impedance: 100 kOhms
• Frequency response: 20Hz – 30kHz, -3dB
• S/N: 100 dB
• Dimensions: 6.69" (L) x 3.6" (W) x 1.69" (D) 2.4lbs.
• Global voltage (100v–240v) without a converter
• Battery power: Up to 4 hrs. of continuous music playback, 3400mAh rechargeable Lithium-ion battery (Premium quick battery charger included)
• CNC-milled aluminum enclosure, available in anodized black, space gray, and gold

http://wooaudio.com/products/wa8eclipse.html



WA3 Headphone Amplifier ($600, +Full upgrade $450)

WA3 Headphone Amplifier.jpg
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WA3 is a high-performance OTL (Output Transformerless) headphone amplifier ideal for high impedance audiophile headphones. It features an all-tube design with point-to-point wiring for a pure analog sound. It's compact size, affordable price, and impeccable build quality offers tremendous value for music lovers looking to build a headphone listening system.

Specifications
• Tubes: 6080 power x 1, 6922 driver x 2
• Singled-ended Triode, Class-A
• Self-biasing with compatible tubes
• OTL (output transformerless), Point-to-Point wiring
• Individual filter choke and rectifier per channel
• Pseudo-dual power supply
• ALPS potentiometer and power switch
• Rubycon and WIMA capacitors, Dale and Vishay high precision resistors
• Polytetrafluoroethylene (PTFE) tube sockets, gold-plate RCA
• Anodized aluminum chassis, available in black or silver
• RCA input x 1 and 1/4" (6.3mm) stereo headphone output
• Input impedance: 100 Kilo-Ohms
• Frequency response: 8 Hz - 100 KHz -3dB
• Signal/Noise: 95 dB
• THD: <= 0.08%
• Headphones impedance : 30-600 Ohms
• Power output: [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω (with 6080 tube)
• Global voltage (100v–220v) without converter
• Dimensions: 6"(H), 5 ½"(W), 13"(D), 10 lbs.

http://www.wooaudio.com/products/wa3.html



WA2 Headphone Amplifier ($1200, +Full upgrade $840)

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Handcrafted since 2004, the critically acclaimed WA2 is a high performance OTL (Output Transformerless) headphone amplifier. WA2 is a Class-A, all-tube design, single-ended triode (SET) with point-to-point wiring to achieve the most analog sound. Music lovers with high impedance headphones (above 100 Ohms) would find WA2 to be the ideal pairing for their high-end headphones.

Specifications:
• Tubes: 6080 power x 2, 6922 driver x 2, 6CA4 rectifier x 2
• Polytetrafluoroethylene (PTFE) tube sockets
• Single-ended Triode, Class-A
• OTL (output transformerless), Point-to-Point wiring
• Individual filter choke and rectifier per channel
• Pseudo-dual power supply
• Four pairs of selectable gold-plate RCA inputs
• 1/4" (6.3mm) stereo headphone jack
• ALPS potentiometer and power switch
• Headphones impedance : 25-600 Ohms
• Input impedance: 100 Kilo-Ohms
• Frequency response: 8 Hz - 100 KHz -3dB
• Signal/Noise: 95 dB
• THD: <= 0.08%
• Self-biasing with compatible tubes
• Anodized aluminum chassis, available in black or silver
• Dimensions: 5½"(H), 13"(W), 9"(D), 17 lbs.
• Global voltage (100v–220v) without converter

http://www.wooaudio.com/products/wa2.html



WA22 (2nd gen) Fully Balanced Headphone Amplifier/Preamplifier ($2500, +Full upgrade $1475)

WA22 (2nd gen) Headphone Amplifer and Preamplifier.jpg
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Originally introduced in 2009, WA22 has been an audiophile favorite. New for 2018 is improved sonic performance and preamplifier feature for use with a Hi-Fi system. WA22 (2nd gen) is an all-tube design, fully balanced headphone amplifier and preamplifier. The advantage of a fully balanced system is improved channel separation, more precise soundstage, and imaging. Perfectly suited for the headphone enthusiast and experienced audiophiles seeking flexibility and purest sound.

Specifications
• Tubes: 6SN7 driver x 2, 6080 power x 2, 5U4G rectifier x 1
• Polytetrafluoroethylene (PTFE) tube sockets
• Fully-balanced design, Class-A
• Transformer-coupled, Point-to-Point wiring, Pseudo-dual power supply
• Phase Splitter for use with unbalanced components
• HI / LO impedance setting
• XLR input x 1, RCA input x 1
• Dual 3-pin XLR (left and right ch), 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs
• XLR balanced PREAMP output (<50 ohms)
• ALPS smooth potentiometer
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes [chart]
• Global voltage (100v–220v) without converter
• Dimensions: 7"(H), 12"(W), 10½"(D) amplifier 25 lbs.

http://www.wooaudio.com/products/wa22.html



WA6 (2nd gen) Headphone Amplifier ($700, +Full upgrade $1060)

WA6 Headphone Amplifier.jpg
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Handcrafted since 2008, WA6 (2nd gen) has set the standard for headphone amplifiers in its class. It can drive full-size headphones and in-ear monitors ranging from 8–600 Ohms with ease. WA6 (2nd gen) is an all-tube design, Class-A, transformer-coupled, single-ended triode (SET) amplifier. Under the hood of the all aluminum chassis is the same clean point-to-point wiring and premium quality parts found in our top tier models. WA6 (2nd gen) is an exceptional headphone amplifier for every music lover.

Features
• Singled-ended Triode, Class-A
• Transformer-coupled, Point-to-Point wiring
• Pseudo-dual power supply
• All tubes. No semi-conductors in the entire circuitry
• 80 watts specially made toroidal power transformer.
• Alps potentiometer and power switch
• Dale and Vishay high precision resistors
• Silver plated Teflon hook-up wires
• Custom gold-plate RCA
• Polytetrafluoroethylene (PTFE) tube sockets
• Self-biasing with compatible tubes
• HI / LO headphone impedance switch

Specifications
• Tubes: 13DE7 driver/power x 2, 5U4G rectifier x 1
• Input Impedance: 100 Kilo-Ohms
• Frequency Response: 20 Hz - 30 KHz, -3dB
• Signal/Noise: 93 dB
• THD: <= 0.3%
• Inputs/Outputs: RCA input x 1, 1/4" (6.3mm) stereo headphone output (8–600 Ohms)
• Power Output: [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω (with 6DR7 tube)
• Anodized aluminum chassis, available in black or silver
• Global voltage (100v–220v) without converter
• Dimensions: 6"(H), 5½"(W), 13"(D), 13 lbs.

http://www.wooaudio.com/products/wa6.html



WA6-SE (2nd gen) Headphone Amplifier ($1200, +Full upgrade $800)

WA6 SE Headphone Amplifier.jpg
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WA6-SE (2nd gen) is the dual chassis big brother of WA6 (2nd gen). It is also an all-tube design with point-to-point wiring, Class-A, transformer-coupled, single-ended triode (SET) headphone amplifier. WA6-SE (2nd gen) features an independent power supply unit which greatly improves its sonic performance. It can drive most dynamic driver and planar magnetic headphones ranging from 8–600 Ohms to their full potential; delivering a rich tube sound with speed and dynamics typically not found in an amplifier of this size. Whether you have one headphone or ten, WA6-SE (2nd gen) would maximize the listening enjoyment.

Features
• Singled-ended Triode, Class-A
• Transformer-coupled, Point-to-Point wiring
• Individual filter choke per channel
• Pseudo-dual power supply
• All tubes. No semi-conductors in the entire circuitry
• 80 watts specially made toroidal power transformer.
• Alps potentiometer and power switch
• Dale and Vishay high precision resistors
• Silver plated Teflon hook-up wires
• Custom gold-plate RCA
• Polytetrafluoroethylene (PTFE) tube sockets
• Self-biasing with compatible tubes
• HI / LO headphone impedance outputs

Specifications
• Tubes: 13DE7 driver/power x 2, 5U4G rectifier x 1
• Input Impedance: 100 Kilo-Ohms
• Frequency Response: 15 Hz - 40 KHz, -3dB
• Signal/Noise: 93 dB
• THD: <= 0.3%
• Inputs: 2 RCA inputs (w/input source switch)
• Outputs: Dual 1/4" (6.3mm) stereo headphone outputs (HI / LO impedance)
• Power Output: [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω (with 6CY7 tube)
• Anodized aluminum chassis, available in black or silver
• Global voltage (100v–220v) without converter
• Dimensions: 6"(H), 5½"(W), 13"(D) amplifier 12 lbs., 6"(H), 5½"(W), 13"(D) power supply 10 lbs.

http://www.wooaudio.com/products/wa6se.html



WA5-LE (2nd gen) Headphone Amplifier ($3700, +Full upgrade $3720)

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WA5-LE (Lite Edition) is a single-ended triode (SET), class A tube amplifier. It differs from the highly acclaimed WA5 only in that it is a dedicated headphone amplifier and cannot be used to drive loudspeakers. In all other respects, WA5-LE is identical to the WA5 and offers the same captivating sound quality. WA5-LE is designed around the audiophiles' favorite 300B vacuum tube. This tube provides exceptional transparency allowing the listener to experience music close to a live performance.

Specifications
• Tubes: 6SN7 driver x 2, 300B power x 2, 5U4G rectifier x 2
• Self-biasing with compatible tubes
• Polytetrafluoroethylene (PTFE) tube sockets
• Single-ended Triode, Class-A
• Transformer-coupled, Point-to-Point wiring
• Pseudo-dual power supply, dual chassis design
• User selectable HI / LO headphone POWER, IMPEDANCE and LEVEL
• ALPS smooth potentiometer
• One XLR and two RCA line inputs
• 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs
• Headphones Impedance: 8-800 Ohms
• Input Impedance: 100 Kilo-Ohms
• Frequency Response: 10 Hz - 60 KHz, -2dB
• Power Output: [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω, and [email protected]Ω HP (high power) via 4-pin XLR and 1⁄4” TRS output
• Signal/Noise: 95 dB
• THD: <= 0.08%, 1Khz
• Global voltage (100v–240v) without a converter
• Dimensions: AMP - 8½"(H), 9"(W), 17"(D) 35 lbs. / PSU - 8½"(H), 9"(W), 17"(D) 35 lbs.
• Anodized aluminum chassis, available in black or silver

Optional: Available only at the time of original build the 'Audiophile-grade premium internal parts upgrade' adds V-Cap CuTF input coupling caps, Blackgate bypass (6SN7 cathode) caps, Mundorf decoupling caps, and Mundorf voltage filtering caps

http://www.wooaudio.com/products/wa5le.html



WA5 (2nd gen) Headphone/Integrated Amplifier ($5700, +Full upgrade $4800)

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WA5 has been setting the standard for 300B-based all-tube stereo amplifiers among music lovers since 2008. The WA5 features separate speaker and headphone amplifiers in two discrete amplification sections to achieve the highest performance in both forms of usage. The power supply is divided into different units to ensure that the audio signal is pristine and isolated, and advanced output switching enables the user to select speaker or headphone output effortlessly. It is the most versatile amplifier for high-efficiency speakers and any dynamic/planar headphones.

Unique to WA5 is the user-customizable headphone output (HI/LO power, HI/LO impedance, and HI/LO level) located on the front panel. When used in conjunction, the user can optimize the synergy between amplifier and headphones to achieve the ideal pairing and performance. At maximum, headphone outputs get full eight watts per channel – easy to satisfy the needs of any demanding headphones.

To tailor different user requirements, we also offer a headphone-only model – WA5-LE – which boosts the same headphone circuitry and functions as the WA5.


Specifications
• Tubes: 6SN7 driver x 2, 300B power x 2, 5U4G rectifier x 2
• Self-biasing with compatible tubes
• Polytetrafluoroethylene (PTFE) tube sockets
• Single-ended Triode, Class-A
• Transformer-coupled, Point-to-Point wiring
• Pseudo-dual power supply, dual chassis design
• Discrete independent headphone and speaker circuits
• Soft-start protection circuit
• User selectable HI / LO headphone POWER, IMPEDANCE and LEVEL
• Audiophile-grade premium internal parts: V-Cap CuTF input coupling caps, Blackgate bypass (6SN7 cathode) caps, Mundorf decoupling caps, Mundorf voltage filtering caps
• ALPS smooth potentiometer
• WBT Nextgen speaker binding posts and RCA
• One XLR and two RCA line inputs
• 4-pin XLR and 1/4" (6.3mm) stereo headphone outputs
• Headphones Impedance: 8-800 Ohms
• Input Impedance: 100 Kilo-Ohms
• Frequency Response: 10 Hz - 60 KHz, -2dB
• Headphone Power: [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω, [email protected]Ω
• Headphone High Power: [email protected]Ω HP (high power) via 4-pin XLR and 1⁄4” TRS output
• Speaker Power: [email protected]Ω
• Signal/Noise: 95 dB
• THD: <= 0.08%, 1Khz
• Global voltage (100v–240v) without a converter
• Dimensions: AMP - 8½"(H), 9"(W), 17"(D) 35 lbs. / PSU - 8½"(H), 9"(W), 17"(D) 35 lbs.
• Anodized aluminum chassis, available in black or silver

http://www.wooaudio.com/products/wa5.html



GES Electrostatic Headphone Amplifier ($1600)

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GES is an all-tube electrostatic headphone amplifier designed to drive any STAX headphones. GES can accommodate a wide range of vacuum tubes which makes it an excellent choice for those who love to experiment with different tubes sound.

Specifications
• Tubes: 6S4 power x 4, 12AX7 driver x 4
• Push-Pull direct drive, Class-A
• Point-to-Point wiring
• Two Filter chokes
• 140 watts power transformer
• High-performance Solen and WIMA capacitors
• Teflon wires, Gold-plated RCA,
• Polytetrafluoroethylene (PTFE) tube sockets
• Alps potentiometer and power switch
• Two selectable RCA inputs
• STAX Pro Bias 5-pin EarSpeakers output
• Input impedance: 100 Kilo-Ohms
• Frequency response: 10 Hz - 80 KHz, -3dB
• Signal/Noise: 100 dB
• Bias voltage: 580VDC
• THD: <= 0.1%
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes
• Global voltage (100v–240v) without converter
• Dimensions: 5½"(H), 13"(W), 10½"(D), 22.5 lbs.

Schematic re-engineering is based on Dr. Gilmore's design.

http://www.wooaudio.com/products/wastax.html



WES (2nd gen) Electrostatic Headphone Amplifier ($4500, +Full upgrade $2900)

WES (2nd gen) Electrostatic Headphone Amplifier.jpg
WES (2nd gen) Electrostatic Headphone Amplifier.jpg (289.88 KiB) Vist 4596 gange

WES (2nd gen) is the ultimate electrostatic headphone amplifier for use with STAX headphones. The new 2nd gen uses a matching quad of output loading chokes utilizing Single Crystal Copper wires (the purest form of copper) with our proprietary winding scheme. The results are a significant improvement in clarity, sound space, dynamic range, and control. WES is a two-chassis system comprising a power supply and a fully balanced amplifier and innovative dual power switch that treats the tubes more gently when starting the unit from cold. Turning on just one of the power switches provides low voltage to the heaters while the WES remains in standby mode. Turning on both power switches allows the unit to operate at full power. WES will reward the listener with reference quality sound without fatigue.

Specifications
• Tubes: EL34 power x 4, 6SL7 driver x 4, 5AR4 rectifier x 2, 12AU7 phase inverter x 2
• Polytetrafluoroethylene (PTFE) tube sockets
• Two 12AU7 phase splitter (unbalanced input to balanced input conversion)
• Fully-balanced design, Class-A
• Transformer-coupled, Point-to-Point wiring
• Pseudo-dual power supply
• STAX Pro Bias 5-pin EarSpeakers output x 2
• XLR input x 2, RCA input x 1
• Auricap capacitors for interstage and output coupling
• Mills and Kiwame resistors
• Balanced smooth potentiometer
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes [chart]
• Global voltage (100v–220v) without converter
• Dimensions: Amplifier: 7½"(H), 16½"(W), 12"(D) 20 lbs., Power supply unit: 4½"(H), 16½"(W), 12"(D) 20 lbs.

Optional: Available exclusively at the time of build the Audiophile-grade premium internal parts upgrade adds V-Cap Teflon Film Tin Foil reference grade audio capacitors and V-Cap Oil Impregnated Metallized Polypropylene reference grade audio capacitors

http://www.wooaudio.com/products/wes.html



3ES Electrostatic Headphone Amplifier/Preamplifier (STD $9000/Elite $13000/Tube upgrade +$5700)

3ES Electrostatic Headphone and Preamplifier.jpg
3ES Electrostatic Headphone and Preamplifier.jpg (108.77 KiB) Vist 4581 gange

With over 10 years of experience in electrostatic amplifier designs. The all-new 3ES is our flagship electrostatic headphone amplifier and preamplifier. It shares the same architecture as our flagship WA33 dynamic headphone amplifier in a two-unit design where the top unit is an amplifier docking on the power supply using our internal coupling architecture (ICA) technology. The 3ES employs two 6SN7 driver tubes pushing four 300B power tubes as the output stage and one rectifier tube in the center of the amp. The new 3ES achieves the most ambitious dream in the audio world.

Highlights
• Compatible with 5-pin 580v (Pro-bias) for STAX, HiFiMan, MrSpeakers headphones
• Dual headphone output [simultaneous operation]
• XLR input x 2, RCA input x 1
• User selectable output: pre-amp or headphone
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes [chart]
• Dimensions [without tubes]: 17 3/4" (W), 7 1/4" (H), 13 1/2" (D) / 450.85mm (W), 184.15mm (H), 342.90mm (D)
• Weight: 52 lbs. / 24 kg.
• Voltage: AC 100 - 120V 60HZ or AC220 - 240V, 50HZ, voltage built to destination country

Elite Edition
• Mundorf Supreme Silver/Gold audio capacitors
• Single Crystal copper hook-up and signal wires are used throughout.
• Alps RK50 4-channel volume control in brass enclosure
• Cardas Audio XLR and WBT RCA connectors
• 3ES Elite Edition 24k gold-plated plaque

https://wooaudio.com/amplifiers/3es



WA33 Fully-balanced Headphone Amp/Preamplifier (STD $8000/Elite $15000/Tube upgrade +$3365)

WA33 Fully-balanced Headphone and Preamplifier.jpg
WA33 Fully-balanced Headphone and Preamplifier.jpg (226.26 KiB) Vist 4580 gange

In 2009, we introduced two world-class fully balanced headphone amplifiers––the WES electrostatic amp and the WA22 dynamic amp. Both are preferred choices among the most discerning audiophiles. Here at Woo Audio, we constantly push the performance boundaries. The newly developed WA33 is a state-of-the-art, fully balanced headphone amplifier that raises the bar in setting a new reference in music reproduction.

The WA33 employs a true fully balanced design in a compact form factor, featuring a quad of 6C45 tubes for the driver that pushes a quad of 2A3 tubes for the power, and all in direct-heated triodes. It delivers high power to drive demanding headphones to their full potential while maintaining a low noise floor for use with highly sensitive models. The WA33 shares the same striking appearance of the critically acclaimed WES, where both amplifier units are independent of the power supply. This approach eliminates any interference to critical audio components. Additionally, our internal coupling architecture (ICA) technology allows the WA33 amplifier to merge with the power supply unit without an external umbilical cord. The ICA shortens the signal path and thus significantly reduces unwanted electrical interference and raises sound performance to a level beyond what anyone has previously experienced in a headphone system.

The WA33 reveals the most delicate detail with the highest level of refinement. Complex music passages are handled with ease and authority. The expansive soundstage, holographic imaging, and rich tones that are pristine, natural, and vivid create a sense of realism that gives the user a euphoric listening experience. With the WA33, music comes to life.


HIghlights
• Fully balanced design
• Tubes: 6C45 driver x 4, 2A3 power x 4, 5U4G rectifier x 1
• Polytetrafluoroethylene (PTFE) tube sockets
• Push Pull, Class-A
• Transformer-coupled, Point-to-Point wiring
• Internal Coupling Architecture (ICA)
• XLR input x 2, RCA input x 1
• Outputs: Dual 3-pin XLR (left and right ch), 4-pin XLR x 1 and 1/4" (6.3mm), XLR x 1 preamp
• User selectable output: pre-amp or headphone
• User selectable HI/LO impedance and HI/LO level for headphone
• Headphones impedance: 8—600 Ohms
• Frequency response: 10Hz— 60kHz, -2dB
• Power output: up to 10 watts per channel
• Signal/Noise: > 95 dB, THD: < 0.05%, 1kHz
• Anodized aluminum chassis, available in black or silver
• Self-biasing with compatible tubes [chart]
• Power consumption: 150w
• Voltage: AC 100 - 120V 60HZ or AC220 - 240V, 50HZ, voltage built to destination country
• Dimensions: 17.5"(W), 12"(D), 7.5"(H) without tubes
• Weight: 53 lbs for Standard, 56 lbs for Elite Edition

Elite Edition
• Ultra high-bandwidth, low-loss output transformers custom-made with Single Crystal Copper wires and Ni Alloy metal
• Single Crystal copper hook-up and signal wires are used throughout.
• Alps RK50 4-channel volume control in brass enclosure
• Mundorf MCap Supreme Silver/Gold capacitor for interstage coupling, one per channel (4pcs)
• Mundorf MTube capacitors for voltage filter (3pcs)
• Cardas Audio XLR and WBT RCA connectors
• WA33 Elite Edition 24k gold-plated plaque

http://wooaudio.com/products/wa33.html



WA234-MONO Headphone/Intergrated Amplifier ($16000, Tube upgrade +$4100)

WA234-MONO Headphone and Integrated Amplifier.jpg
WA234-MONO Headphone and Integrated Amplifier.jpg (1.12 MiB) Vist 4580 gange

The WA234-Mono is the ultimate SET (single-ended triode) amplifier. The design is unlike any that the world has ever seen. The WA 234 unique design allows for use of legendary tubes like the 300B, 2A3 and 45 triodes. The choice of tubes offers the highest level of transparency and musicality. The WA234-Mono let you experience music like never before. You can now use any headphone and many high efficiency speakers. Whereas a typical tube amplifier allows you to use only one type of power tube (or a substitute with a similar rating), the 234-MONO increases your options in an elegant way. A tube-switching key (TSK) allows the amplifier to accept 2A3, 300B, or 45 power tubes, so you can instantly switch your tube to suit your music or your mood. Also, an output switching key (OSK) allows the listener to switch between speaker and headphone output modes, making it possible to enjoy a piece of music through headphones, then immediately share it with friends through speakers. To make the 234-MONO even more versatile, Woo Audio created output-switching keys for cathode and plate outputs for high and low-impedance headphones.

Highlights
• Monoblock design
• Tubes: 13EM7 driver x 1, 300B power x 1, 5U4G rectifier x 1 each amplifier
• Compatible with 2A3/300B/45 power tubes
• Single-ended Triode, Class-A
• Transformer-coupled, Point-to-Point wiring
• Independent headphone and speaker circuity
• Selectable Cathode or Plate output with KEYS
• Anodized aluminum chassis, available in Diamond Black or Platinum Silver
• Polytetrafluoroethylene (PTFE) tube sockets
• Self-biasing with compatible tubes
• Dimensions without tubes: 10" (H) x 8.75" (W) x 13.25" (D), 60 lbs. / 254mm (H) x 222.25mm (W) x 336.55mm (D), 27.21 kg.
• Voltage (100v–240v) factory configurable

https://wooaudio.com/amplifiers/wa234mono
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Re: Rør, hvis du tør - Wolf Ear Audio

Indlægaf kvik » 18. jan 2014, 12:58

Wolf Ear Natayo ($1800)

Wolf Ear Natayo.png
Wolf Ear Natayo.png (3.12 MiB) Vist 8727 gange

High Power OTL Headphone Amp. The Natayo - This is the name of the mighty Lynx, a strong and fierce predator. Much like this powerful noble cat, this amp can take down its prey with ease!

FEATURES
Class-A Output Transformer-Less Headphone Amplifier
• Boasting a 3 watts RMS minimum into most audiophile headphones, this is not your typical OTL headphone amplifier!
• With one tube stage for gain and another to provide the power, low distortion output, this amp has a very minimalist signal path and is very fast and natural sounding.
• This amp is extremely linear and works amazingly with high impedance headphones, but works very well into loads as low as 32 ohms. Try it with headphones such as the Sennheiser HD800, Audeze LCD4 and Beyerdynamic T1.

Power Supply
• A choke input, as well as an additional choke for filtering gives you a very clean and quiet power supply. Power is rectified with hyper-fast, soft recovery FRED rectifiers.
• High quality film capacitors exclusively used throughout the whole power supply, which will vastly out outperform and outlast even the very best electrolytic capacitors.

Driver and Output Stage
• A giant step up in audio quality from any potentiometer, this amp ships standard with a series-type 24-step attenuator, made in house.
• The topology used on the driver maximizes voltage gain and is extremely linear. Use your favorite 6SN7 type tube here.
• The output stage is set up as a cathode follower with very nice active biasing, resulting in a high power output into most headphone loads. Use EL84s or 6P15P-EV tubes here.
• We included some very nice NOS tubes to get you started.

SPECIFICATONS
• Power Output: 2 Watts RMS @ 32 Ohms and 3 Watts RMS (minimum) @ 80-600 Ohms.
• Output: Single Ended w/ XLR for convenience
• Gain: approx. 3.8 (+11.5dB)
• Frequency Response: greater than 20Hz-20kHz, +/-0.5dB
• Input Impedance: 10K Ohms
• Output Impedance: Less than 24 Ohms
• Input Voltage: Minimum 2V
• Volume Control: Series-type 24-step attenuator
• Driver Tube: NOS 6N8S included
• Output Tube: NOS 6P15P-EV included
• Power Supply: Hyper-fast FRED rectification, choke input and choke filtered. All capacitors are high quality film caps.
• Power Usage: approx. 80 Watts
• Voltage: 117V or 230V
• Size: 320mm(W) x 300mm(L) x 80mm(H)
• Weight: approx. 9kg
• Included with Amplifier: (1) NOS 6N8S, (2) NOS 6P15P-EV, (1) standard power cable

OPTIONS
• Teflon Film and Foil Capacitors (+$200). This is a big upgrade over the standard film and foil coupling capacitors that come with this amplifier. Break-in time is long, however.
• 24-Step Ladder-Type Attenuator (+$250). Made in-house with ultra low-noise, precision military resistors. Ladder types are the best type of stepped attenuator, with only a single resistor in series with the signal path. A significant step up over any potentiometer (and most other stepped attenuators too).

https://www.wolfearaudio.ca/products/na ... dphone-amp



Wolf Ear Makoyi ($2400)

Wolf Ear Makoyi.png
Wolf Ear Makoyi.png (730.94 KiB) Vist 8727 gange

FEATURES
Class-A Single Ended Triode (SET), Transformer Coupled Headphone Amplifier
• A new transformer-coupled headphone amplifier designed to dominate hard to drive headphones with ease. • Boasting 4.5 watts of pure Class A amplification, this is a wonderful sounding and versatile design with gobs of power for any headphone type.
• For best results try it with headphones like the HE-1000, LCD-3/4 and AB-1266. You'll be glad you did!

Power Supply
• One mains transformer and two large chokes are employed for maximum filtering. The power is rectified with hyper-fast, soft recovery FRED rectifiers (the closest thing to a tube rectifier, but without the voltage loss and current limitations).
• Only high quality film capacitors used throughout the power supply, which will vastly out speed, outperform and outlast even the very best electrolytic capacitors.

Driver and Output Stage
• The topology used on the driver maximizes voltage gain and is extremely linear. Use your favorite 6SN7 type tube here.
• The output stage is extremely versatile and is rollable with a wide array of different tube types, including (but not limited to) 6L6, EL34, KT88, etc.
• We included some very nice NOS 1960's tubes to get you started.
• The output transformer is an ultra wide bandwidth, high performance type custom made specifically for low impedance headphones.

SPECIFICATIONS
• Power Output: 4.5 Watts RMS into 32 Ohms
• Output: Strictly single ended w/ balanced XLR plug for convenience
• Frequency Response: 20Hz-100kHz, +/-1dB
• Input Impedance: 50K Ohms
• Volume Control: Alps Blue Velvet Potentiometer (attenuator upgrade optional)
• Input Voltage: 1V sufficient for most headphones
• Driver Tube: NOS 6N8S included
• Output Tube: NOS 6P3S included
• Rectification: Hyper-fast FRED rectifiers
• Topology: Single tube gain stage, single transformer coupled tube output stage. Constant current designs used throughout for maximum linearity and tube consistency over the course of the tubes' lifespan
• Power Usage: approx. 80 Watts
• Voltage: 117V or 230V
• Size: 320mm(W) x 300mm(L) x 80mm(H)
• Weight: approx. 12kg
• Included with Amplifier: (1) NOS 1960's 6N8S, (2) NOS 1960's 6P3S, (1) standard power cable

OPTIONS
• Teflon Film and Foil Capacitors (+$250). This is a big upgrade over the standard film and foil coupling capacitors that come with this amplifier. Break-in time is long, however.
• 24-Step Ladder-Type Attenuator (+$250). Made in-house with ultra low-noise, precision military resistors. Ladder types are the best type of stepped attenuator, with only a single resistor in series with the signal path. A significant step up over any potentiometer (and most other stepped attenuators too).

https://www.wolfearaudio.ca/products/ma ... dphone-amp
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Re: Rør, hvis du tør - Copland

Indlægaf kvik » 18. jan 2014, 13:09

Copland DAC 215 €2000)

Copland DAC 215.jpg
Copland DAC 215.jpg (83.88 KiB) Vist 8727 gange

Universal High Resolution DAC, Pre-Amplifier, Headphone Amplifier

The heart of the DA215 is an excellent D/A converter with multiple S/PDIF inputs, PCM, and DSD capabilities using the ES9018 Reference 32-bit DAC in quad-mono configuration, 8 mono to 2 stereo configuration. Combining four in-phase and four opposite-phase converters per channel, the statistical properties of the signals are taken to advantage; the signal power of the phases correlate and add-up in constructive addition, whereas the noise power of the phases are de-correlated, improving the signal to noise ratio of the resulting analog waveform.

The class-A buffering technology of the analog filtering sections is borrowed from the highly acclaimed Copland CD-players and composed by discrete transistors producing a stunning sound quality with an unconstrained mobility and acceleration.

The DA215 incorporates an asynchronous USB input, tree S/PDIF digital inputs, an analog input, two analogue outputs (fixed and variable) and a complete pre-amplifier with analog volume control and front panel headphone output featuring vacuum tube gain stages.

You can use the DAC215 for headphones playback. However, you can also use it as a high-end pre-amplifier with volume control, using the amplifier RCA outputs. The volume control and pre-amplifier functionality can be bypassed for pure DAC mode.

The DA215 USB input implementation is one of the most advanced available, featuring USB 2.0 PCM 24/32 bit data transfer to 384 kHz, including native DSD64 and high resolution DSD128. The input is converted to i2s and it is connected directly to the DAC chip.

Once connected, the computer recognizes the DAC and routes the digital audio data to it, bypassing the source device’s internal audio circuitry.

The asynchronous USB-B port connects to the computer’s USB-A port. No power is taken from the computer. The regulated power supply for the USB input section has its own winding of the power transformer and the noisy computer line is completely interrupted by the use of digital Isolators.



FEATURES

D/A Converter Features:
• Quad mono drive with SABRE Ultra DAC
• USB Input (PCM): 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz
(16, 24, 32 bit)
• USB Input (DSD): 2.8 MHz, 5.6 MHz
• COAXIAL/OPTICAL/AES /EBU Input: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz (16, 24 bit)
• Minimum Jitter with Asynchronous Transfer
• DIRECT Mode
• Up to 384 kHz/32-bit sampling
• Class A analog section

Amplifier Features:
• Shielded Power Transformer with Independent Winding, Isolated Power and Digital/Analogue Block
• High Voltage Valve amplifier + Solid stage current buffer
• Analog Volume Control


SPECIFICATIONS

DAC Digital Inputs:
• USB Audio: PCM 44.1~384K (24/32bit), DSD 2.8~5.6MHz (64~128X)
• Windows Vista /7 /8 /10   (32/64bit), Mac-OS X and Linux with UAC2 without drivers
• S/PDIF Input: 1 x COAX / 2 x Optical. PCM 44.1~192K (32bit)

DAC Analog Output:
• RCA. 2.0 V rms. @ 0dBFS
• Frequency response: 20Hz~20 kHz (+/-0.2dB)
• SNR DAC > 120dB
• THD < 0.004%

Head Amp:
• Valves:  2 x ECC88 / 6DJ8 / 6922
• Output Head Amp /  Headphones:   max. 8.5 V rms
• Output impedance / Headphones:   5.0 Ω
• Output impedance / Line out / RCA : 100 Ω
• Frequency response: 20Hz~100 kHz (+/-0.5dB)
• SNR: 90 dB
• THD < 0.02%
• Gain Head Amp: 10 dB
• Power AC 110~120V or 220~240V (50/60Hz) * Factory Settings
• Power Consumption: 25W
• Weight: 3.8Kg
• Dimensions: 200 x 280 x 115 mm. W x D x H


http://copland.dk/dac-205/
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Re: Rør, hvis du tør - Leben Hi-Fi Stereo Company

Indlægaf kvik » 18. jan 2014, 13:25

Leben CS-300F Integrated Amplifier (€2750)

Leben CS-300F.jpg
Leben CS-300F.jpg (57.62 KiB) Vist 8727 gange

CS-300F is equipped with GE JAN-6197 which was developped for use in Computors and we used this tube for audio purpose for the first time in the world. We purchased this tube many years ago and have been seeking for the best circuit design to bring the best performance of this clean tube. For Driver circuit, we used a very high quality tube 17EW8(Hi-FI) specially produced for Hi-Fi use by a major Japanese electronic manufacturer.

Other features
• Lavish employment of highest grade audio components.
• WBT type Binding Posts.
• Self-Biasing circuit accepts new tubes without any Bias adjustments, and also can adapt to a consumption of tube power or to unvenness of tubes automatically.
• Natural wood side-panels made from Canadian White-Ash. This wood is very hard and heavy and is often used as a material of Baseball bats and oars for low boats.
• Almost same as CS-300X(S)


Specifications:
• Tubes: JAN-6197 (GE) X 4 | 17EW8(Hi-Fi) x 2
• Output power: 15W X 2
• Frequency response: 15Hz - 100KHz (-2 dB)
• Distortion: 0.7%(10W)
• Input sensitivity: 600mV
• Input impedance: 100K Ohms.
• Output impedance: 4/6/8 Ohms (Selectable), Headphone: 300 Ohms
• Power consumption: 82W
• Weight: 10.5 Kgs.
• Dimensions: 360(W) X 270(D) X 140(H) mm

http://lebenhifi.com/products/cs300f.html



Leben CS-300XS Integrated Amplifier (€2950)

Leben CS-300XS.jpg
Leben CS-300XS.jpg (483.99 KiB) Vist 8727 gange

CS-300X(S) is equipped with SOVTEK Tube EL-84 which has been welknown by audiophiles for its high sound quality against its small size. A high input sensitivity of EL84 does not require a complicated circuit and accordingly, it can create a low distortion output signal. CS-300X(S) is equipped with 5 line inputs plus Tape Monitor.

CS-300X(S) uses highest-end audio grade components:
• RESISTORS: Precision Industrial Grade +/-1%
• FIRST-STAGE BY-PASS CONDENSOR: An ultimate audio condensor "OS Condensor" developped by "SANYO"
• LAST-STAGE BY-PASS CONDENSOR: "Fine-Gold" by "NICHICON"
• JOINT CONDENSOR: "Metalized Polypropylene Condensor" with "Mesh-Shielding".
• NF OVERSHOOT PREVENTION CONDENSOR: Ceramic Conderser.
• CATHODE RESISTOR: 4W type.(Instead of 3W type)
• OUTPUT TRANSFORMER: Newly developped Transformer with wider range for high frequency.
• WBT type binding post.(From April/05 delivery onward)/li


Specifications:
• Tubes: JEL84(SOVTEK) X 4 | 12AX7A(Sovtek) X 2
• Output power: 15W X 2
• Frequency response: 15Hz - 100KHz (-2 dB)
• Distortion: 0.7%(10W)
• Input sensitivity: 600mV
• Input impedance: 100K Ohms.
• Output impedance: 4/6/8 Ohms (Selectable), Headphone: 300 Ohms
• Power consumption: 82W
• Weight: 10.5 Kgs.
• Dimensions: 360(W) X 270(D) X 140(H) mm

http://lebenhifi.com/products/cs300xs.html



Leben CS-600 Integrated Amplifier (€5350)

Leben CS-600.jpg
Leben CS-600.jpg (133.79 KiB) Vist 8727 gange

TWO SELECTIONS OF OUTPUT TUBES: 6L6GC(5881) AND OPTIONAL 6CA7(EL34) TUBES.
By switching two selectors inside of the cabinet, you can use either of 6L6GC or 6CA7 (EL34) , and LED indicators on the front panel will show you which tube is applied.

POWER AMPLIFIER DIRECT SWITCH & INPUTS.
"PREAMP-IN" terminals on the rear panel allow you to use CS-600 as a power amplifier.
By switching a selector on thr front panel, by-pass all the functions only excepting a Volume control.

A WIDE RANGE OF SPEAKER APPLICATION
Multi output impedance selector: 4/6/8/16 ohms.

FLAT AND WIDE FREQUENCY RESPONSE
A wide-ranged and flat frequency response upto 100KHz is enough capable for future digital audio format such as SACD/HDCD.

OTHER FEATURES
• Twin-triode tube 6CS7 for the first-stage amplification.
• WBT type speaker terminals.
• Heavy-duty output transformer for 50W grade amplifiers.
• Large capacity choke-coil: 5H350mA
• Dumper tube 6CJ3 (for Colour TV use) is applied to delay a supply of high voltage (B-Voltage) to output tubes in order to protect output tubes from damages and to longer the life.
• All high-end audio grade electrical components (condensors, resistors)
• Operation lamp indicator
• Succeeding a front design of CS-300/CS-300X.
• 24K Gold-Plated Knobs.
• Side Wood-Panels.

FIVE INPUTS
CS-600 IS EQUIPPED WITH 5 LINE INPUTS(RCA unbalanced) PLUS TAPE MONITOR.


Specifications:
• Tubes: (4) 6L6GC (5881) SOVTEK, (EL34/6CA7 - Option) | (4) 6CS7 | (1) 6CJ3
• Output power: 32W x 2 (6L6GC) at 1KHz | 28W x 2 (EL34) at 1KHz
• Frequency response: 10Hz - 100KHz. (-0.1dB)
• Distortion: 0.7%(10W)
• Input sensitivity: 900mV at 20W
• Input impedance: 100K Ohms.
• Output impedance: 4/6/8/16 Ohms (Selectable), Headphone: 300 Ohms
• Power consumption: 82W
• Weight: 2.5 Kgs.
• Dimensions: 450 (W) X 360 (D) X 142 (H) mm

http://lebenhifi.com/products/cs600.html
AKG K240DF | K340 | K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Ref \\ Zigis Trīsstūris | Eufonika H12G \\ Tento PortaDAC \\ Allo DigiOne
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Re: Rør, hvis du tør - Cary Audio

Indlægaf kvik » 18. jan 2014, 14:07

Cary Audio HH-1 ($1800)

Cary Audio HH-1.jpg
Cary Audio HH-1.jpg (240.63 KiB) Vist 8727 gange

The new HH-1 headphone amplifier from Cary Audio is an all-new hybrid design, featuring a tube input stage feeding a single-ended MOSFET output stage. These MOSFETs were chosen as they have sonic characteristics very similar to tubes, and the entire amplifier operates fully in class-A at all output levels. It is extremely simple to connect and operate, featuring a pair of RCA input jacks and a loop-through output pair, a power switch and a volume control.

Top quality parts are mounted on a heavy gauge fiberglass circuit board, and only two stages of amplification are used for the shortest possible signal path. A power transformer, rated at three times what is required for the amplifier’s design, feeds a fully regulated discrete power supply for the best sound quality. It is designed to drive headphones with an impedance between 30 and 600 ohms. A 30-second muting circuit prevents any annoying pops and clicks when turning on the HH- 1 headphone amplifier, and ensures that all circuits are fully stabilized before each listening session.

All of the design and construction features would be meaningless if they didn’t contribute to both superb sound quality and long-term reliability. Like all Cary Audio equipment, the HH-1 headphone amplifier is engineered to provide accurate and lifelike musical reproduction, and to do so for many years. The HH-1 has beautiful cosmetics and contains the latest technology and quality components to ensure that you enjoy your music, whether used as a stand-alone system in an office or as part of a serious main music system.


Specifications:
• Input Impedance: 50K ohms
• Gain: 20dB
• Frequency Response: 5Hz to 35 kHz (-1dB)
• Signal to Noise Ratio: >90dB at 0dB gain
• THD: <0.05%
• Channel Separation: >70dB/10kHz
• Output Power: 200mW/300 ohms, 300mW/30 ohms
• Output Impedance: 5 ohms
• Tube Complement: 2 x 6922 (6DJ8 Tubes)
• Full Regulated Power Supply: Discrete regulators for audio circuits
• Headphone Connector: 1 x phone jack
• Recommended Headphone Impedance Range: 30-600 ohms
• RCA Connectors: 4 x gold plated, 1 set for input and other used as pass through
• Dimensions: 14.5" L x 8.5" W x 4" H
• Weight: 10 lbs.

http://www.caryaudio.com/products/classic/HH-1.html



Cary Audio SLI-80 ($4500)

Cary Audio SLI-80.jpg
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For many, many years the SLI-80 integrated amplifier has been the standard by which all other vacuum tube integrated amplifiers are judged…period! As Cary Audio’s entry into the magic of vacuum tube music systems, it’s nothing short of stunning. Thousands of music lovers all over the world have heard (and seen) the virtues of this spectacular vacuum tube integrated amplifier. Before we gloat about the sound of the SLI-80, just look at it. It’s audio jewelry. The open chassis showcasing the warm soft glow of the tubes only enhances its sonic beauty. It is a display piece for any setting, pure and simple.

The sound must be heard to be fully appreciated. As the world’s premier vacuum tube audio company, Cary Audio designed the SLI-80 to have no peer. The design reproduces every musical nuance and detail in a lush, open and airy presentation while providing bass texture and impact that belies its rated power output. The depth of sound and transparency will cause you to snap your head in disbelief as you look to see the musicians performing in front of you. A pair of toggle switches select either triode mode producing 40 watts per channel of pure Class A power, or ultralinear mode which doubles power to 80 watts per channel in Class AB. If you’re listening to more subtle music and want to hear all of the inner detail and richness, select triode mode for the most lifelike imaging and tonal accuracy. Or, if you want to really let loose, switch to ultralinear mode and enjoy the extra power and dynamics. Your choice!


Specifications
• Circuit Type: Push-Pull Ultra-Linear Pure Class AB-1
• Power Output: 40 Watts – Triode / 80 Watts – Ultra-Linear
• Input Sensitivity: .45 Volt for full output
• Noise and Hum: -82 dB below full output
• Frequency Response: 19 Hz to 23 KHz +/- .5 dB
• Inputs: CD, AUX1, AUX2
• Outputs: 5-way gold-plated speaker posts, headphone jack
• Tubes:
2 ea – 6922 Input Buffer Preamp
2 ea – 6SN7 Pre Driver/Phase Inverter
4 ea – KT88 Output Tubes
2 ea – 5U4 Rectifiers
• Tube Sockets: Ceramic w/ silver pins
• Power Transformer: 1 ea. – EI Laminate, Silicon Impregnated
• Output Transformer(s): 2 ea. – EI Laminate, Silicon Impregnated
• Resistors: 1% Metal Film
• Capacitors: Polypropylene Film with hand soldered copper terminals (optional upgrades available)
• Power Supply Capacitors: 2 ea – 1200µF @ 450 VDC / 6 ea – 10µF @ 400 VDC Film & Foil
• AC Cord: 3 Conductor Shielded, Detachable
• AC Power Requirements: 117/234 VAC @ 50/60 Hz
• Consumption: 166 watts – Operation
• Warm-Up Time: 3 Minutes
• Break-In Time: 100 hours of playing time
• Finish: Black powder coated matte chassis with silver or black aluminum faceplate
Dimensions: 7″ H x 17″ W x 16″ D
Weight: 42 lbs

https://www.caryaudio.com/products/sli-80/



Cary Audio SLI-100 ($6000)

Cary Audio SLI-100.jpg
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The SLI-100 is one of the most exotic integrated stereo audio amplifiers available. Within its power range, the SLI-100 displays the operating characteristics of a true “high-end” amplifier. Careful design, parts selection and proper circuit topologies contribute to incredible reliability and enjoyment. The SLI-100 integrated stereo amplifier operates in a Class AB1 mode utilizing a negative fixed bias supply. The KT150 output tubes are configured in push-pull and yield 100 watts/channel of output power. The output transformers in the SLI-100 are the most important component in the amplifier and have been specifically designed by Cary Audio for use in the SLI-100. Negative feedback is derived from the 8 ohm tap on the output transformer secondary. This feedback circuitry is used to reduce the noise floor and improve the speaker damping characteristics. Only 4 dB of feedback is utilized. The phase inverter is a self-balancing split load configuration utilizing the 6SN7 octal base dual triode. The preamplifier circuit is a Series Regulated Push-Pull (SRPP) Class A triode voltage amplification stage direct coupled to the phase inverter. The power supply in the SLI-100 features a 200% duty cycle EI laminate power transformer.

Another feature of the SLI-100, aside from how compact and gorgeous it looks, is the delightful, sensual beauty of the music it recreates. The first thing that will strike you about the SLI-100 integrated amplifier is the incredible transparency and resolution of detail in the music. The SLI-100’s sensual nature is best revealed in the sense of life it displays in female vocalists. The SLI-100 integrated amplifier presents music with such presence and directness, you’ll be drawn into the music hour after musically satisfying hour. This is the result of circuit techniques, which eliminate any discernible crossover notch at low levels, and also contributes to the freedom from listening fatigue. The SLI-100 will draw you in even further as you realize how lucid and utterly uncolored neutrality reveals delicate nuances in the sound stage.


Specifications
• Circuit Type: Push-Pull Ultra-linear Amplification in Pure Class AB1
• Power Output: 100 watts/channel
• Tube Complement: 2 – 6922 Input Buffer Preamp / 2 – 6SN7 Pre-Driver/Phase Inverter / 4 – KT150 Output Tubes
• Input Sensitivity: .45 volts for full output
• Input Impedance: 100,000 ohms
• Noise and Hum: 82db below rated output
• Frequency Response: 19Hz to 23Khz +/- .5db at full power output
• Output Tabs: 8 Ohms, 4 Ohms
• Maximum Gain: 34dB
• Power Consumption: 166 watts – Operation / 83 watts – Standby
• Inputs: 4 Pairs Single-ended RCA
• Outputs: 1 Pair Speaker Posts (Switch for 4 and 8 Ohm Selectable), 1 Pair RCA for Subwoofer, ¼” Headphone
• Output Polarity: Non-Inverting (any input)
• Warm-Up Time: Approximately 3 minutes
• Break-In Time: 100 hours of music playing time
• Finish: Black Powder Coated Matte Chassis with Silver or Black Aluminum Faceplate and Knobs.
• Dimensions: 7.8″ H x 17.25″ W x 16″ D
• Weight: 42 lbs.
• Accessories: Removable cage cover

https://www.caryaudio.com/products/sli-100/



Cary Audio CAD-300SEI ($6000)

Cary Audio CAD-300SEI.jpg
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Tube aficionados have long known that the best possible realism and detail comes when an amplifier is run in SET mode, or Single-Ended Triode. This lets one power tube handle both sides of each musical waveform, eliminating some of the most fatiguing distortions. It results in lower output power, naturally, but with high-efficiency speakers played at reasonable levels, its ultimate simplicity means the ultimate in musical naturalness.

While only offering 15 watts per channel of pure class-A remote-controlled power, the CAD-300SEI does things that almost no other amplifier today can achieve. Its careful attention to design and construction means that it is extremely quiet, allowing the tiniest musical details to float against a background of dead silence. This will help you perceive more accurate soundstaging and imaging cues, as well as the most realistic harmonic structure of each instrument. You can tell a Steinway from a Bösendorfer piano, a Stradivarius from a Guarneri or Amati violin, or a Fender from a Gibson guitar. You’ll hear inner details of musical groups that you never knew were there. Sometimes the simplest IS the best, and the CAD-300SEI is a testament to that philosophy.


Specifications
• Circuit Type: Single-Ended Class A
• Power Output: 15 watts
• Input Sensitivity: .42 Volt for full output
• Noise and Hum: -90 dB below full output
• Frequency Response: 20 Hz to 23 KHz +/- .75 dB
• Inputs: CD, AUX1, AUX2
• Outputs: Speaker posts, Headphone jack
• Tubes: 1 ea – 6SN7 Input / 2 ea – 6SN7 Driver / 2 ea – 300B Output
• Power Transformer: 1 ea – EI Laminate, 200% Duty Cycle
• Output Transformer(s): 2 ea – EI Laminate Air Gap, 200% Duty Cycle
• Resistors: 1% Metal Film
• Capacitors: Polypropylene Film with hand soldered copper terminals (optional upgrades available)
• Power Supply Capacitors: 2 ea – 1200µ[email protected] VDC
• AC Cord: 3 Conductor, Detachable
• AC Power Requirements: 117/234 VAC @ 50/60 Hz
• Consumption: 107 watts – Operation
• Warm-Up Time: 3 Minutes
• Break-In Time: 100 hours of playing time
• Finish: Anthracite black chassis with silver or black aluminum faceplate
• Dimensions: 8″ H x 14″ W x 14″ D
• Weight: 51 lbs

https://www.caryaudio.com/products/cad-300sei/



Cary Audio SLP-05 ($9000)

Cary Audio SLP-05.jpg
Cary Audio SLP-05.jpg (267.16 KiB) Vist 4751 gange

Cary Audio’s finest preamplifier has been the recipient of many awards and glowing reviews. It consists of one enclosure housing the preamplifier itself, and a second separate power supply to keep noise out of the musical signal path and provide a more stable electrical foundation. Like most Cary Audio products it is fully differential-balanced in construction to further reduce electronic noise, and uses no global feedback for faster response. The SLP-05 features three pairs of RCA inputs plus a tape loop, as well as two pairs of XLR balanced inputs, and includes a Cinema Bypass mode so you can share sources between the music system and a home theater processor without worrying about degrading the signal path or having to readjust volume.

A set of hand-matched tubes is provided with your SLP-05, as well as a matched pair that simply power a built-in headphone amplifier. All of this technology simply means that you will be listening to music that is lifelike in its richness and clarity, and full of the tiny details that raise the SLP-05 from simply good to world-class. Cary Audio’s attention to detail in circuit design, parts quality, and a superb finish, makes this truly an investment in musical enjoyment and pride of ownership.

The Ultimate Upgrade is now available for the SLP-05 and consists of changes to the power supply as well as the line stage circuit. The “Ultimate Upgrade” is not just an upgrade. It elevates the SLP-05 to a whole other level of sound quality. It retains the attributes of the SLP-05 that you know and love but gives you more of everything. Click here to learn more.


Specifications
• Circuit Type: Class A Triode Vacuum Tube Preamplifier Design
• Output Voltage: 2 volts rated, 12 Volts maximum
• Overall Gain: 17 dB – Single-ended RCA / 24 dB – Balanced Operation
• Rated Distortion: 0.03 % THD
• Noise and Hum: -90 dB below full output
• Input Impedance: 50,000 Ohms – RCA / 100,000 Ohms – XLR
• Output Impedance:400 Ohms
• Frequency Response: 5 Hz to 250,000 Hz
• Vacuum Tubes:
8 ea – 6SN7 octal tubes for the balanced, headphone and gain stages
1 ea – 5AR4 Rectifier Tube in Power Supply
• Power Transformer(s): R CORE 200% Duty Cycle
• Resistors: 1% Metal Film
• Capacitors: Polystyrene, Film and Foil
• Power Supply Capacitors: 2 ea – 560µF @ 400 VDC
• AC Cord: 3 Conductor, Detachable
• AC Power Requirements: 117 or 234 Volts AC @ 50 or 60 Hz
• Consumption: 75 watts – Operation / 25 watts – Standby
• Warm-Up Time: 3 Minutes
• Break-In Time: 100 hours of playing time
• Finish: Anthracite black chassis with silver or black aluminum faceplate
• Dimensions: 6.25″ H x 17″ W x 12″ D – preamplifier / 4.5″ H x 17″ W x 12″ D – power supply
• Weight: 16 lbs – preamplifier / 19 lbs – external power supply
• Features:
Remote volume control and muting
One Cinema Bypass (XLR balanced or RCA)
One tape monitor loop
Two XLR balanced stereo inputs
Three RCA stereo inputs
One XLR balanced and two RCA pairs of preamplifier outputs

https://www.caryaudio.com/products/slp-05/
AKG K240DF | K340 | K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Ref \\ Zigis Trīsstūris | Eufonika H12G \\ Tento PortaDAC \\ Allo DigiOne
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Re: Rør, hvis du tør - Dared

Indlægaf kvik » 18. jan 2014, 15:17

Dared i30 ($1300)

Dared i30.jpg
Dared i30.jpg (264.66 KiB) Vist 4759 gange

Tube Integrated Amplifier with USB DAC. Class-A circuit with two dual-triode tubes for two stages of Triode-Single-end (SET) for preamp amp and drive stage with little feedback.

Features
• 6L6G(5881),12AX7(ECC83),12AU7(ECC82) tubes
• Japan NICHICON/ELAN Capacitors, ALPS potentiometer
• Gold tube sockets, pure silver signal wires, gold headphone output, gold speaker output
• Dual power setting: 110 volts and 230 volts, with analog output meter, multiple RCA inputs
• Internal DAC (Digital-Analog-Converter) so you can connect this amp to computer (USB)
• 10mm Aluminum plate Fine milling Sand blasting oxidation Gold /gray panel

Specifications:
• Power Output: RMS 30W per channel from 20Hz-20kHz
• Frequency Response: 20Hz-30kHz ( +/-0.5dB 1W )
• Output Power Distortion: 1% (10W 1KHz)
• Input Sensitivity: 220mV
• Input Impedance: 100k ohms
• Inputs: Line1, Line2, Line3, AUX, USB DAC
• MAX. Line Input: RMS 3.5V
• USB DAC Spec.: 32Bit 384kHz
• Speaker Output Impedance: 4ohms or 8ohms
• Headphone Output Impedance: 32-600ohms
• Overall Negative Feedback: -40 dB
• Overall S/N Ratio: 86dB
• Power Consumption: MAX.180W
• Power Requirements: 110-120VAC 60Hz/220-240VAC 50Hz
• Operation Method: Class A PUSH/PULL
• Power Tubes Required: 2 Matched pairs either 6L6G/5881/EL-34
• Preamp & Driver Tubes Required: 12AX7x2 (ECC83 x2), 12AU7 x2 .
• Tube Bias: Automatic
• Dimensions: 380x295x160mm(WxDxH)
• Weight: 17kg

https://www.amazon.com/gp/product/B01EW ... bw_c_x_1_w



Dared Mars ($300)

Dared Mars.jpg
Dared Mars.jpg (90.25 KiB) Vist 4759 gange

MARS - Hybrid Vacuum Tube Amplifier

For many years industry manufacturers have seen a shift of music users looking for instant gratification in the way they hear music. To respond to a new generation of listeners and provide new comers with an introduction to high fidelity, Dared's response was the creation of MARS, an affordable integrated amplifier featuring wireless streaming of audio to a 6N2 tube preamplifier section driving a Class A MOSFET Class A amplifier.

MARS features a built in USB DAC as well as wireless (bluetooth) connection to Smartphones etc... A preamplifier output is available for those wishing to upgrade their current vintage audio system with a tube driven USB DAC with wireless connectivity to modern day personal devices.


Specifications:
• Max. Power Output: 2x25W
• Frequency: 20-20kHz
• S/N Ratio: 90dB
• Line Input Impedance: 100kΩ
• Output Impedance: 4Ω, 8Ω
• Inputs: 2.4GHz Wireless Audio Input, USB DAC, RCA LINE
• Preamp Signal Output: 2Vrms
• Headphone Output: 3W (32-300Ω)
• Voltage: 90-264VAC
• Tubes: 6N3 (5670)
• Dimensions: 189x120x100mm (WxDxH)
• Weight: 2kg

http://www.dared.com.hk/index.php?route ... uct_id=168
https://www.amazon.com/Dared-MARS-Hybri ... g=UTF8&me=



Dared Saturn Signature ($2100)

Dared Saturn.jpg
Dared Saturn.jpg (147.98 KiB) Vist 4759 gange

SATURN Signature – Class A Integrated Amplifier (Single KT-150)

Introducing the Sound of Tube - Dared, and the new KT-150 SET high resolution tube integrated amplifier. Highly regarded by audiophiles, a single-ended triode (SET) amplifier is a vacuum tube electronic amplifier that uses a single tube for its final over a“push-pull” type tube amplifier which uses a pair of tubes using anti-phase internal circuit design to generate an output with the wanted audible signals present and the distortion components subtracted. All guitar amplifiers use this simplistic design since the 1940's and where SET amplifiers are achieving a cult status because of their alleged excellent mid-band performance. It is this "mid-band" that is to many as the most important part of the audio spectrum in music reproduction. This perceived high sonic quality noted by audiophiles is mainly attributed to the simplicity and minimalistic approach of the circuit design and the triode amplifying tube selected.

The new KT-150 tube reigns over Dared's predessesor the KT-120. For those so technically inclined, higher imaging and better current power with fast response is realized by way of a massive plate inside the tube being used with increased heat dissipation of 70 watts. The new KT-150 tube is considered as the most powerful octal beam tetrode ever produced, and where even the design of the KT-150 tube's glass casing with an egg shaped balloon design specifically improves thermal dissipation and maintains a superior vacuum for the best sound. The fact that the glass envelope has no flat sides results in where the tube has no issues with microphonics, a common problem with other like tubes.

As part of Dared's manufacturing standard and included in your component’s design and fabrication for exceptional, yet affordable sound quality is the use of: Oxygen Free Copper (OFC) wiring for having enhanced conductivity advantageous to audio signal transmission; custom made torroid transformer to prevent noise interference, a PCB using a 2 oz copper layer to maintain extreme low resistance and noise; Japanese Nichicon high quality Electrolytic Capacitors, Panasonic High Quality Coupling Capacitors. For superior high frequency performance, Non-inductive resistors and Gold plated tube sockets and input/output connections


Specifications:
• Power Output: Class A MAX 25W per channel
• Power Input: MAX 150W
• Frequency Response: 20Hz-40kHz (+/-0.5dB 1W)
• Output Power Distortion: 0.05% (4W 1kHz)
• Input Sensitivity: 220mV
• Input Impedance: 100k ohms
• Inputs: Line 1, Line 2, Line 3, AUX, USB DAC
• USB DAC Spec.: 32Bit 384kHz
• Speaker Output Impedance: 4ohms or 8ohms
• Headphone Output Impedance: 32-600ohms
• Overall Negative Feedback: -39dB
• Overall S/N Ratio: 85dB
• Power Consumption: Max. 220W
• Damping Factor: 6 (Distortion: 0.1%)
• Voltage Range: 100-120V, 220-240V
• Operation Method: Single End Class A
• Remote Control: RF Remote for Volume Control
• Power Tubes Required: Matched pair KT-150
• Preamp & Driver Tubes Required: 12AX7 x2 (ECC83x2), ECC85 (6N1) x2
• Tube Bias: Manual adjustable with bias monitor meter
• Dimensions: 380x295x160mm / 14.96”x11.61”x6.3” (WxHxD)
• Weight: 18kg/39.7lbs

http://www.dared.com.hk/index.php?route ... uct_id=167
AKG K240DF | K340 | K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Ref \\ Zigis Trīsstūris | Eufonika H12G \\ Tento PortaDAC \\ Allo DigiOne
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Re: Rør, hvis du tør - Triode Audio Corporation

Indlægaf kvik » 18. jan 2014, 15:40

Triode Ruby ($600)

Triode Ruby.jpg
Triode Ruby.jpg (51.58 KiB) Vist 8727 gange

6BQ5 single ended integrated amplifier

• Tubes: 6BQ5*2 , 12AX7*2
• Output power: 3W+3W at 8 ohms
• Frequency response: 30Hz-40kHz(±2dB)
• S/N ratio: 88dB
• Input sensitivity: 800mV
• Input impedance: 100k ohm
• Input terminals: RCA unbalanced*2(LINE1,2)
• Speaker output terminals: 4 - 8 ohms
• Headphone output: 6.3mm stereo jack
• Others: Headphone circuit with tubes
• Power consumption: 40W (No signal) , 80W (Max. output)
• Dimensions: W190mm*D180mm*H135mm
• Weight: 4.7kg
• Accessories: Tube cover , AC cable , Spare fuse

http://www.triode.co.jp/brand/triode/Ruby/index.html



TRIODE TRV-84HD MarkII ($2100 internationally, $800 in Japan)

TRIODE TRV-84HD MarkII.jpg
TRIODE TRV-84HD MarkII.jpg (62.89 KiB) Vist 8727 gange

6BQ5(EL84) Class A single ended headphone amplifier

• Tubes: 6BQ5*2 , 12AU7*2
• Output power: Speaker output 3W+3W at 4-8 ohms / Headphone output 500mW+500mW at 20-600 ohms
• Adapted impedance: Speaker 4-8 ohms / Headphone 20-600 ohms
• Frequency response: 20Hz-45kHz(±3dB)
• S/N ratio: 92dB
• Input sensitivity: 400mV
• Input terminals: RCA unbalanced*2
• Speaker terminals: Banana plug capable type
• Headphone output: 6.3mm stereo jack
• Power consumption: 40W
• Dimensions: W160mm*D350mm*H140mm
• Weight: 8kg
• Accessories: Tube cover , AC cable , Spare fuse

http://www.triode.co.jp/english/TRV-84HD/index.html (Correct specs, but wrong picture)


NOTE: The following Triode integrated amplifiers also have a headphone jack:

Luminous 84 - 6bQ5 (EL84) Class AB single ended integrated amplifier
TRV-A300XR - 300B Class A single ended integrated amplifier
TRV-88SER - KT88 Push-pull integrated / power amplifier
TRV-35SER - EL34 Class AB push-pull integrated amplifier

http://www.triode.co.jp/brand/triode/index.html
AKG K240DF | K340 | K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Ref \\ Zigis Trīsstūris | Eufonika H12G \\ Tento PortaDAC \\ Allo DigiOne
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Re: Rør, hvis du tør - Synthesis

Indlægaf kvik » 18. jan 2014, 16:49

Synthesis Roma 41DC/41DC+ (€1980/2430)

Synthesis Roma 41DC+.jpg
Synthesis Roma 41DC+.jpg (71.86 KiB) Vist 4814 gange

All tube A class Headphone Amp with Digital Inputs (DC41+) or without (DC41)

Synthesis released a new headphone amplifier which supplies 2W in a pure class A arrangement using an ECL82/6BM8 in a Single Ended configuration. The Roma 41DC has been principally developed to drive high power headphones most coveted by audiophiles for their excellent soundstage. The power amp also features a patented adaptive output technology (BLS) that automatically sets the output tap depending on the headphone load. The amp has an output connection for speakers as well. The Roma 41DC+ is the digital input variant, with USB (PCM up 32Bit/384KHz, DSD up to 5,6MHz) and optical inputs, and with 1 Line input only (41DC has 2).


Specifications
• Tube (each ch): 1 X ECL82/6BM8
• Frequency response: 20Hz to 30KHz - 1dB
• Power output:2W RMS pure A Class
• Power stage config.: Single Ended
• Input impedance:100Kohm
• Input sensitivity: 300mV / 2W
• Speaker impedance: 6 ohm
• Headphone impedance: 16-40 ohm / 40-150 ohm 150-600ohm
• Impedance selection: Patented BLS®, automatic impedance selection
• Signal/Noise ratio: > 95dB
• D/A converter: Asahi Kasei AK4495S (32bit/768KHz(
• Inputs (Roma 41DC): 2 Line
• Inputs (Roma 41DC+): 1 Line, 1 Optical, 1 USB-B (Windows/Mac/iOs/Android compatible)
• Max Resolution: 24Bit 192KHz (Optical); 32Bit 384KHz (USB); DSD up to 5,6 Mhz (USB)
• Power consumption: 50W
• Dimensions (w,d,h): 260x380x95mm
• Weight: 6Kg

http://www.synthesis.co.it/product.php?id=10
http://www.synthesis.co.it/product.php?id=9



Synthesis Roma 69DC (€2490)

Synthesis Roma 69DC.jpg
Synthesis Roma 69DC.jpg (67.71 KiB) Vist 4345 gange

High Resolution Tube DAC. The Roma 69DC has USB "B" type, DSD 5,6MHz and optical input. 32Bit of resolution give you a fantastic sound stage and beautiful sound reproduction. Using a ECC88/6DJ8 on the output stage in as differential amplifier for a perfect matching with the Dac's output (Asahi Kasei AK4495S ), obtaining a very low output impedance and extremely large bandwidth. Paticular attention has been dedicated to the headphone output. Using a high-fidelity driver, we obtained a incredible natural sound performance, the sound stage is simply perfect! To back this up the design has an over size shielded power transformer for reduce the interference. An array high grade metalized polipropilene capacitors controlling the audio signal circuits. The all important component of this unit are run by a multi stage fully regulated power supply.

Specifications
• Output stage (each ch): 1 X ECC88
• Frequency response: 20Hz to 20KHz - 0dB
• D/A converter: Asahi Kasei AK4495S 32bit 768KHz
• Inputs: 2 Optical Toslink, 2 S/PDIF coaxial, 1 USB “B” type
• Max Resolution: 24Bit 192KHz (Optical and Coax), 32Bit 384KHz (USB), DSD up to 5,6 Mhz (USB)
• Headphone out: > 16ohm, High Fidelity driver
• Signal/Noise ratio: > 95dB (A-Weight)
• Distorsion: < 0,3%
• Output level: 1,5V RMS @ 0 dBFS (variable)
• Power consumption: 20W
• Dimensions: (w,d,h): 260x380x95mm
• Weight: 5 Kg

http://www.synthesis.co.it/product.php?id=13
AKG K240DF | K340 | K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Ref \\ Zigis Trīsstūris | Eufonika H12G \\ Tento PortaDAC \\ Allo DigiOne
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