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SA9023+ES9023 USB decoder 24bit/96KHz USB DAC WLX
SA9023+ES9023 USB decoder 24bit/96KHz USB DAC WLX
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Old 13th December 2016, 09:22 PM   #1
nigelwright7557 is offline nigelwright7557  United Kingdom
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Default SA9023+ES9023 USB decoder 24bit/96KHz USB DAC WLX

I recently bought one of these off ebay.

When it arrived Windows wasn't having it and came up with an error.
I then figured out it needed an ASIO driver and it worked fine.
Then after a while the audio started dropping out.
I fixed that with a shorter USB lead wit ha filter on it.

Then the pc started having problems with a message saying audio was taking up too much of the resources.

Then the pc itself started locking up and had to be hard reset to get it going again.

So I uninstalled the DAC and the pc is fine now.

Does anyone know a fix for this problem ?
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Old 13th December 2016, 10:02 PM   #2
CharlieLaub is offline CharlieLaub  United States
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Hmm, that sounds a bit vexing. I do have a couple of these, which I have used on and off with Raspberry Pis. I discovered that they seem to sink a lot of power (I think mostly when first connecting to the device) and after I enabled a "high current USB mode" for the Pi's USB bus there were no further problems.

I have also used this on my Windows 8.1 PC a few times and never had any sort of problem. It just worked out of the box when I plugged it in, no ASIO driver required.

Perhaps you got one with a fake SA9023 chip?

I sourced mine from seller "pinshuche" and this seems to be a reliable and reputable seller, based on my interactions over a couple of purchases I have made from them.
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Old 13th December 2016, 11:16 PM   #3
nigelwright7557 is offline nigelwright7557  United Kingdom
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It was cheap only 23 GBP

I found a USB port super charger app and have installed that.
The DAC appears to be running ok at the moment.
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Old 13th December 2016, 11:55 PM   #4
nigelwright7557 is offline nigelwright7557  United Kingdom
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I read the spec again for the USB DAC and it only works into 32 ohm headphones.
I am driving an 8 ohm speaker so it could be its not getting enough power.
I suspect the MSI super charger is giving it the extra current it needs and that why everything seems fine now.
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Old 14th December 2016, 12:30 AM   #5
CharlieLaub is offline CharlieLaub  United States
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Quote:
Originally Posted by nigelwright7557 View Post
I read the spec again for the USB DAC and it only works into 32 ohm headphones.
I am driving an 8 ohm speaker so it could be its not getting enough power.
I suspect the MSI super charger is giving it the extra current it needs and that why everything seems fine now.
Whaaa? You are driving a loudspeaker driver directly with a DAC??? That use is really way outside the specs for the chip...
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Old 14th December 2016, 01:07 AM   #6
nigelwright7557 is offline nigelwright7557  United Kingdom
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Originally Posted by CharlieLaub View Post
Whaaa? You are driving a loudspeaker driver directly with a DAC??? That use is really way outside the specs for the chip...
Its got a headphone driver after the DAC.
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