CM6631 usb audio interface .... any good ? - Page 3 - diyAudio
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Old 28th September 2012, 05:22 PM   #21
julcat is offline julcat  Mexico
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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!!!!!!!!
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Old 29th September 2012, 01:47 AM   #22
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so many big capacitor for a usb power device, the user's motherboard usb port should be in danger
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Old 2nd October 2012, 06:12 PM   #23
julcat is offline julcat  Mexico
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I change de 6 Volt SLA battery with a 12 Volt SLA and there is an increased quality in details, my voltmeter reads 12.5 volts when the battery is fully charged so i think is Ok for the 7805 regulator.
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Old 14th October 2012, 09:39 PM   #24
mishak is offline mishak  United States
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Maybe it is my time to ask for help. I bought the same or very similar converter, and china seller told me to use ASUS driver.
http://www.ebay.com/itm/CM6631-24bit...item3ccb6103fe
Here are my tries:

Asus driver did not work, b/c PC asked for asus DAC and my 6631 wasn't recognized as one. Without driver using various attempts it sometimes plugged in as USB, other times as USB2 device, and it did not worked at all.

On the linux Ubuntu id was recognized as USB2 HD Audio device, but output was 24/48 for all sources (an I tried 24/48. 24/96 and 24/192), Noway to configure it.

The most strange results were with Mac (I tried 10.4 and 10.6). It was recognized as USB2 HD(HS?) Audio device, and worked when MIDI was set to 24/48. When I tried 24/96 and 24/192 output settings for USB Audio, it did not work, and (????) soft players stopped working, and would resume only after I unplug USB cable.

Any ideas?

Last edited by mishak; 14th October 2012 at 09:51 PM.
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Old 15th October 2012, 05:26 AM   #25
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mishak, try yo use another PC-Device USB cable.
Recognizing the device by PC should be stable. Then, depends of a firmware, you will be able to install or original Asus, or 6631 driver.
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Old 15th October 2012, 11:13 PM   #26
mishak is offline mishak  United States
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I have tried 3 different PC's, two operating systems (XP and Vista), three different USB cables, different ports on the same PC - all the same.
Plus, I don't have a specific 6631 driver (seller advised to use ASUS's), and my computer would not recognize it as "6631" or ASUS USB DAC.

Could it be a defective board, or corrupted firmware?
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Old 16th October 2012, 01:19 AM   #27
julcat is offline julcat  Mexico
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Quote:
Originally Posted by mishak View Post
Could it be a defective board, or corrupted firmware?
I think you have bad unit, mine is exactly like yours but with the case and asus firmware, is recognized as SPDIF output on OSX 10.8.2, works perfectly no problems at all, extraordinary sound.
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Old 16th October 2012, 02:04 AM   #28
mishak is offline mishak  United States
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Quote:
Originally Posted by julcat View Post
I think you have bad unit, mine is exactly like yours but with the case and asus firmware, is recognized as SPDIF output on OSX 10.8.2, works perfectly no problems at all, extraordinary sound.
Hi Julcat, what is the MIDI setting for your SPDIF output? is it 24/48 or higher?
B/c mine works with 24/48 on both Macs with good sound also.
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Old 16th October 2012, 02:49 PM   #29
julcat is offline julcat  Mexico
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Mishak

I can choose whatever bit rate i want 44.1, 48, 88.2, 96, 176.4 and 196 with excellent sound and no problems at all.
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Old 16th October 2012, 03:37 PM   #30
mishak is offline mishak  United States
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Thank you, Julcat. It looks like my converter is broken, I am trying to contact a seller.

Just one last question: when you connect it to PC, what PC says? What is the exact name of device registered in Windows Device Manager?
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