CM6631 usb audio interface .... any good ? - Page 4 - diyAudio
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Old 17th October 2012, 10:00 PM   #31
julcat is offline julcat  Mexico
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Sorry mishak i haven't installed on windows, i only use macs for now.
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Old 19th October 2012, 04:40 PM   #32
mishak is offline mishak  United States
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Thank you. It looks like the only solution for me is to replace that converter.
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Old 3rd November 2012, 09:45 PM   #33
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Quote:
Originally Posted by julcat View Post
I just receive this little gem 4 hours ago, installed on my hackintosh, just plug & play no drivers needed, fully supports for Integer mode with Audirvana+, i'm using it with a 6 Volt SLA Battery, every bitrate works out of the box, 44.1, 48, 88.2, 96, 176.4 and 196,without any problems, great sound!!!!! beats my M2Tech Evo, this converter is a great buy!!!!!!!!
Hello, can you please tell exactly how it sounds better than the M2Tech Evo? Thanks)) And what gear are you using?
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Old 10th November 2012, 02:54 PM   #34
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Now a new design of cm6631, adding independent power supply, more better, analysis is great!
NEW CM6631 USB to Coaxial Optical SPDIF I2S convertor
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Old 10th November 2012, 03:09 PM   #35
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With a sealed transformer
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Old 10th November 2012, 03:21 PM   #36
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Hi, any idea why it doesnt work with my PC ( WIN7) ? I tried variuous drivers...non of them were any good...Thanks
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Old 10th November 2012, 03:49 PM   #37
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Quote:
Originally Posted by tolikas View Post
Hi, any idea why it doesnt work with my PC ( WIN7) ? I tried variuous drivers...non of them were any good...Thanks

You need the supporting driver from your supplier, the computer system can not drive the cm6631 automatically.
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Old 10th November 2012, 06:47 PM   #38
julcat is offline julcat  Mexico
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I hope the 110V version come out soon, this is a great converter.
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Old 11th November 2012, 12:46 AM   #39
mishak is offline mishak  United States
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Quote:
Originally Posted by tolikas View Post
Hi, any idea why it doesnt work with my PC ( WIN7) ? I tried variuous drivers...non of them were any good...Thanks
Just my recent experience with this converter: When I finally got a proper windows driver from my seller and tried to install it, it still did not work.
The trick was to use external power supply, and it has to be greater than 7.5V. (6V external did not work also). Only after that device started to work as described, good sound and support up to 192KHz from USB2.
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Old 11th November 2012, 06:46 AM   #40
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Hi,

I bought this one :

24bit 192kHz USB to I2S / SPDIF PCB CM6631 with ultralow noise 6.5uV regulator | eBay

It use LP5900 regulator and NDK and KBS oscillators. I have Win7 and it works w/o any difficulties into AMB y2 DAC. It doesn't do 176 or 88. Sounds better than pcm270X and te7022l.

It'd be fairly easy to desolder the usb socket and feed in a clean power supply. The reg is 3.3V ldo 80mV and up to 5.5V.

Anyone have any suggestions about how to isolate the I2S output ? No chance to isolate a 480Mb/s usb I guess ?

cheers

Last edited by KlipschKid; 11th November 2012 at 06:49 AM.
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