Ny DAC og Digital Transport fra EC Designs



Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 18. nov 2018, 23:48

Har imødeset denne DAC med spænding. Forgængerne har alle været unikke, både lydmæssigt og designmæssigt. Priserne har hidtil ikke været voldsomt afskrækkende, seneste priser er dog ikke kendt endnu. De første Mosaic-modeller (Mosaic T) havde kun optisk indgang, fordi USB blev vurderet til at være underlegen. Sidste Mosaic-model (Mosaic UV) fik så alligevel USB i stedet for optisk. Nu er cirklen så sluttet, for den nye Mosaic-model (MOS16 el. MOS24) har igen kun optisk indgang. For at komme computerfolket imøde tilbydes der så en egenudviklet USB/SPDIF-converter (UTOS). Derudover er der udviklet en digital transport (UPL24), der bruger USB-stick som kilde. Det sidste er ikke usædvanligt, mange DAC’er de senere år har dette, og mange af dem hævdes at lyde bedre via stick’en fremfor via Coax/Optisk/USB. I tråd med tidligere års portefølje-sammensætning er der også en ny monoblock forstærker (MBL), hvorvidt de længe planlagte open-baffle højtalere også er færdige, det fremgår ikke. Hjemmesiden skulle blive opdateret med alle de nye produkter i nærmeste fremtid. Indtil da kan billederne lagt ud på diyaudio ses herunder (siden man skal være medlem for at kunne se dem på diyaudio). I den aktuelle tråd har man mere eller mindre kunnet følge EC Designs produktudvikling de sidste 12 år.

Hjemmesiden
Indlæg på diyaudio: MOS16/MOS24, UPL24, MOS16/MOS24/MBL


De gamle modeller
Mosaic T gen1.jpg
Mosaic T gen1.jpg (41.2 KiB) Vist 4180 gange
Mosaic T gen2.jpg
Mosaic T gen2.jpg (109.06 KiB) Vist 4180 gange
Mosaic UV_1.jpg
Mosaic UV_1.jpg (19.66 KiB) Vist 4180 gange
Mosaic UV_2.jpg
Mosaic UV_2.jpg (19.54 KiB) Vist 4180 gange



Den nye portefølje
MOS16_1.jpg
MOS16_1.jpg (588.21 KiB) Vist 4180 gange
MOS16_2.jpg
MOS16_2.jpg (615.78 KiB) Vist 4180 gange
UTOS.jpg
UTOS.jpg (100.87 KiB) Vist 4180 gange
UPL24_1.jpg
UPL24_1.jpg (390.09 KiB) Vist 4180 gange
UPL24_2.jpg
UPL24_2.jpg (593.45 KiB) Vist 4180 gange
REM.jpg
REM.jpg (78.71 KiB) Vist 4180 gange
MBL_1.jpg
MBL_1.jpg (97.58 KiB) Vist 4180 gange
MBL_2.jpg
MBL_2.jpg (111.1 KiB) Vist 4180 gange
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 9. dec 2018, 02:56

Den nye serie er nu 'live' på hjemmesiden, og er overraskende lavt prissat, kun €363 for MOS16.

https://www.ecdesigns.nl/en/shop
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 9. dec 2018, 15:40

MOS16

MOS16F8.png
MOS16F8.png (379.11 KiB) Vist 4015 gange
MOS16R8.png
MOS16R8.png (346.8 KiB) Vist 4015 gange
MOS16TB8_1.png
MOS16TB8_1.png (721.91 KiB) Vist 4015 gange


Discrete multi-bit DAC with clean battery power supply.

The compact MOS16 DAC is powered by a clean battery power supply that can be charged with an external 5V/1A adapter.

This battery power supply eliminates all mains power supply related issues. The MOS16 consumes approx. 80 milliwatts so the battery lasts up to 100 hours without charging.

The Toslink interface eliminates ground loops and related ground loop interference from the source. The modern S/PDIF receiver and innovative D/A converter reduce jitter spectrum to almost inaudible level.

Discrete circuits are used to minimise interference. The discrete segmented hybrid multibit D/A converter provides a very clean, DC-coupled fixed audio signal. Unlike most conventional multibit DACs the MOS16 does not require the MSBs for low level signals, this results in superb low level performance.

Unique bit switching current scaling offers low output impedance, high accuracy and very low interference.

Sample rate and lock detection are presented on a white LED display. The display is driven statically in order to eliminate switching noise.


Why buy a MOS16 ?

Silence:
• no CPU noise
• no DSP noise
• no fan noise
• no transformer noise
• no SMPS noise
• no display controller noise

Low power consumption:
• 80 milliwatts

Charging:
• Charge with any 5V/1A (phone) charger that has a USB A port for charging
• MOS16 is only charged when ON/OFF switch is in the OFF position
• MOS16 is completely disconnected from charger when ON/OFF switch is in the ON position
• Single charger (not included) could be used to charge multiple devices by charging the devices one by one

Playback:
• Bitperfect playback
• Optical Toslink interface that offers perfect galvanic insulation with zero stray capacitance
• Realistic music reproduction with a surprising amount of detail


https://www.ecdesigns.nl/en/info/mos16
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf Claus-DK » 9. dec 2018, 15:48

Det er en pæn maskine, kan også godt lide den kører på batteri, alt burde køre på batterier i vores hobby..
http://hoved-grej.dk og for vores svenske venner https://huvud-grej.se/

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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 9. dec 2018, 17:09

Nogen burde spørge manden, om han har lyst til at sende DAC'en på tour (sammen med UTOS, hans usb/toslink-converter) ;-)
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf Claus-DK » 9. dec 2018, 20:26

Hvor mange timer kan den mon kører på en opladning ?

Sammen med en usb til optisk dims, ville den da være fin at have på tour, det kan jeg kun være enig med dig i.
http://hoved-grej.dk og for vores svenske venner https://huvud-grej.se/

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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 9. dec 2018, 21:19

100 timer står der længere oppe. På SBAF diskuterer de, hvilken type konvertering, der er tale om (NOS/R2R/Multibit). Manden selv svarer: "The MOS16 has a discrete 4 segment matrix converter based on ternary logic. Two segments for the MSBs, and two more segments for the LSBs. This is not a conventional R2R ladder DAC." Jeg forstår ikke et ord :-) men det lyder et stykke af vejen som forklaringen for forgængeren Mosaic UV, "Passive resistor matrix (3VL, not regular R2R)". Vil tro man finder lidt mere forklaring i diyaudio-tråden.
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 1. jan 2019, 14:25

Udviklingsplanerne for 2019 inkluderer to interessante tilføjelser til sortimentet..

Headphone buffer with integrated sliding volume control + RC
This development will be based on the SVC but then using a single volume slider and buffer with dual batteries.

Solar/Mains Powerpack
Development of a 48V Powerpack that can be charged by a single solar panel (without inverter) and/or by mains power. The Powerpack will be equipped with multiple USB A sockets so all our other battery powered products (and your phone) can be charged from the Powerpack. It will then be possible to run completely off the grid using solar power only! The batteries we want use in the Powerpack will be regular lead-acid gel 12 V, will require 4 batteries and will result in a compact Powerpack.



Det største 'problem' med den nye serie er i mine øjne antallet af enheder man let ender op med - UTOS (usb-til-optisk konverter), MOS16 (DAC), UPL16 (USB-stick afspiller), SVC (volume control med headphone buffer) - til en samlet pris på 10k dkr (plus evt Powerpack). I det prisleje er der en del kompetente R2R-udfordrere.

Man kan selvfølgelig nøjes med MOS16 DAC'en til 2700 dkr, men det vil nok ligge i baghovedet, om ikke UPL16 netop henter den smule ekstra ud, som gør projektet værd at forfølge yderligere. Kongetanken om uafhængig strøm (ren batteridrift) er også lidt tiltalende/spændende.
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 15. jan 2019, 18:16

Første brugerindtryk for MOS16+UPL16
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 24. jan 2019, 11:08

"MOS16: Lovely dac. I had their previous mosaic t, the mos16 is incrementally better. the Mosaic t was to my ears better then the schiit yggy, and the mos 16 is even better then the mosaic t. much recommended, crazy bargain at 350 euro. crazy bargain. its a small company, not many knows them, better for those who are willing to take a chance."

Havde man bare lidt grunker tilovers..
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 29. mar 2020, 16:33

Fra Mosaic til Fractal.. ny generation pĂĄ trapperne

https://www.diyaudio.com/forums/digital ... 37498.html

U192ETL-100.png
U192ETL-100.png (20.42 KiB) Vist 1770 gange
U192ETL-rear-100.png
U192ETL-rear-100.png (18.45 KiB) Vist 1770 gange

Specifications:
- USB bus powered (5V).
- Power supply CLC filters for bus noise attenuation.
- XMOS XU208 with built-in Flash program memory.
- Low jitter system and audio clocks (comparable with NDK), 24MHz, 22.5792MHz, 24.576 MHz. Each oscillator has separate RF supply noise filtering.
- Advanced synchroniser / driver circuit for XMOS jitter attenuation.
- Supports standard S/PDIF and ElectroTos low jitter protocol (jumper setting on the rear of the module).
- RCA (coax) output for driving the ElectroTos interlink (3.3Vpp).
- Power consumption approx. 500 milliwatts.
- ElectroTos interlink (supplied with module), 1 meter (39").
- Supports 44.1/16 ... 192/24.
- 160mm x 160mm x 30mm (6"x 6"x 1").
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 4. apr 2020, 15:33

DA96ETF

DA96ETF-100.png
DA96ETF-100.png (20.83 KiB) Vist 1639 gange
DA96ETF-100-rear.png
DA96ETF-100-rear.png (22.28 KiB) Vist 1639 gange


Power supply: external, 5V/100mA (4.8 ... 5V5), connection USB-B (large). Matching low (ground-loop) noise, power supply is included.
Supply current: [email protected] (125 milliwatts), [email protected] KHz (175 milliwatts).

Digital audio interface: ElectroTos (Standard Toslink optical socket for use with / ElectroTos plug).
Supported protocol: ElectroTos low jitter protocol.

Note: the D/A96ETF does not support standard Toslink protocol, it will only produce noise when attempting to drive it with standard Toslink sources.

The DA96ETF pairs with U192ETL or UPL96ETL. These support the ElectroTos low jitter protocol.

-> ElectroTos low jitter protocol eliminates -unwanted- jitter in digital audio source, digital audio interlink, and all DAC circuits even when significant crosstalk is present. It has to be generated directly by software.


Sample rate support: 44.1, 48, 88.2, and 96 KHz.
Bit depth: automatic (ElectroTos protocol). U192ETL and UPL95ETL support 24 bit.


Internal digital audio interface system for the SIPO: (serial to parallel converter), 4 wire ElectroTos, ELE, ESC, ECK, and EDA.
Internal digital audio interface D/A converter: parallel interface.

Standard digital audio protocols are no longer used / generated anywhere in the DA96ETF.


D/A converter type: Fractal multi-pattern converter, 32 bit core / channel (this type of converter is -completely- different from all existing audio D/A converters).

Fractal multi-pattern converters offer extreme long term accuracy (with given component tolerances), low output impedance (375 OHms), and extremely low digital interface switching noise because of the parallel data interface (highest switching frequency equals the sample rate / ELE latch signal).

System: unfiltered NOS (fully passive output circuit). By using 88.2 or 96 KHz, 2 x oversampling can be obtained.

Output voltage: 3V6pp, DC-coupled.
Output connector: RCA, gold-plated, shielded connector soldered directly into the PCB for lowest possible noise / losses.
Output impedance: 375 OHms, can directly drive 250 OHms Beyerdynamic DT-990 studio or comparable headphones.

Recommended lossless volume control: Shunt volume control (shunt only), 375 OHm output impedance is used as fixed series resistor for the shunt volume control. This shunt regulator can be placed in parallel with Beyerdynamic DT-990 headphones for lossless volume control. Typical couput impedance 0.38 OHms (-60dB) ... 375 OHms (0dB). This way headphones can be driven without using any active linear circuit in the audio signal path, just a digital latch and a resistor network.


The DA96ETF consists of a logic board that contains all connectors, supply voltage filters, voltage regulators, ElectroTos receiver circuit, SIPO and indication LED (lock LED). The two Fractal multi-pattern D/A converters are located on a piggyback board that is plugged on top of the logic board, there is no wiring (very compact module, shortest possible connections).


https://www.diyaudio.com/forums/digital ... 42818.html
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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Re: Ny DAC og Digital Transport fra EC Designs

Indlægaf kvik » 3. maj 2020, 13:26

Så er den nye Fractal-serie 'live' på hjemmesiden. Det er blevet et ret komplekst, proprietært øko-system. I head-fi sammenhæng kan man ende med 4 enheder - USB converter el. USB stick transport, DAC, Volumekontrol og hovedtlf.forstærker (samt proprietære kabler) - til en samlet pris på ca €1900. Konkurrencen i det segment, funktions- og prismæssigt, er hård. Rent fysisk fylder enhederne ikke så meget (ca 16x16x3 cm/enhed), så selv en 4-stack bliver overkommelig at placere. Interessant koncept og implementering. Har man allerede en god hovedtlf.forstærker kan man selvsagt 'nøjes' med bare DAC og USB-converter, prisen er så halvdelen af den fulde stack.

EC Designs.png
EC Designs.png (309.4 KiB) Vist 1145 gange
Beyerdynamic T1.1 | Sennheiser HD424 | AKG K240DF | AKG K400 \\ VE Zen 2.0 | Myst Nail 2 | Spiral Ear 3-way Reference
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