New Async XMOS 384K/32bit with PCM5102 DAC on ebay - diyAudio
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Old 21st August 2013, 02:26 PM   #1
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Default New Async XMOS 384K/32bit with PCM5102 DAC on ebay

I just ordered one, we'll see how good it performs (already owning an Amanero)
I like the fact that this seller is providing good W7 driver with ASIO feature and not the Evaluation version of Thesycon USB Driver with Periodic beep tones after 30 minutes which other sellers here on this board reccomend using with their simillar product
the driver can be downloaded at the following link :

XMOS??FOR Windows?????.zip_??????|??? ??-?????


it also has three onboard XO's, the PCM5102 DAC which will deliver 2,1V RMS, LED indicators for samplerate up to 384khz and also posibility of using clean external power, all these for only 70$ (free shipping).
First thing I would do (in case that it is not done already) is changing the FIR filter of the DAC to IIR (a very quick operation on the PCB), and have it powered from 3,6V in case it is powered from a 3,3V LDO and eventually get the MCLK to the DAC directly from the XO's and not generated by the XMOS chip which will add jitter - they are pretty close to the DAC so there would be no big problem
"A key feature of the PCM5102 chip are its two digital filter options - the more common FIR (finite impulse response) or brickwall filter; and the IIR (infinite impulse filter)" ...
if anyone has this board already, and might wanna share some useful information, is more than welcomed

Xmos 384K 32bit PCM5102 DAC USB TO Fiber Coax RCA Jack USB Power LCM | eBay


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Last edited by luxury54; 21st August 2013 at 02:36 PM.
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Old 2nd September 2013, 11:48 PM   #2
andynz is offline andynz  New Zealand
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Would love to hear what you think when this DAC arrives. I'm interested in using it with a Raspyfi as a front end for our active ATC system.

Cheers
Andy
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Old 3rd September 2013, 07:40 PM   #3
sbp is offline sbp  Denmark
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Hi
I'm also looking forward to hear your experience with this DAC - so please report your findings.
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Old 4th September 2013, 12:37 AM   #4
rsowen is offline rsowen  United Kingdom
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Quote:
Originally Posted by luxury54 View Post
eventually get the MCLK to the DAC directly from the XO's and not generated by the XMOS chip which will add jitter - they are pretty close to the DAC so there would be no big problem
The MCLK will already go straight to the DAC (unless they have made a mistake or not followed the reference design properly)
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Old 4th September 2013, 12:39 AM   #5
andynz is offline andynz  New Zealand
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I've ordered one today so will update when it arrives and have had time to test it with the Raspyfi.
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Old 5th September 2013, 03:20 PM   #6
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XMOS母带级384K PCM5102解码 秒杀ES9023 带采样率指示 带耳放-淘宝网
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Old 13th September 2013, 10:56 AM   #7
sbp is offline sbp  Denmark
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Hi
Did you receive you DAC, I'm very interested in your experience with this board
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Old 26th September 2013, 07:12 AM   #8
fivn is offline fivn  Finland
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Can anyone say if this DAC is good or not?
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Old 10th October 2013, 11:39 AM   #9
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Just ordered too... I hope it's a bargain.
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Old 11th October 2013, 04:41 AM   #10
andynz is offline andynz  New Zealand
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Hi All. Mine arrived yesterday. I have not had much time to test it yet however at least it works! I feed some 192khz into it from my Raspyfi and the led's showed it accepted the signal fine. Initial impression was the top end is a bit grainy but this with a crappy plug pack power supply feeding the Raspyfi and using the USB to power the DAC so hardly a fair test. I will use a separate 9v supply over the weekend and give it a good test.

With good power supplies the results should be much better.
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