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post #211 of 212

I'm going to go out on a limb here and say that shouldn't happen, the issue is more likely to be with the laptop itself and not the DAC.  I can confirm the PupDAC works perfectly with Windows 8.1, however its not best practice to be lowering the volume on a DAC, your better off doing that on the amplifier.

post #212 of 212
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Quote:
Originally Posted by mcandmar View Post
 

I'm going to go out on a limb here and say that shouldn't happen, the issue is more likely to be with the laptop itself and not the DAC.  I can confirm the PupDAC works perfectly with Windows 8.1, however its not best practice to be lowering the volume on a DAC, your better off doing that on the amplifier.

Agreed.  The OS starts interpolating bits to lower the volume and you'll lose ultimate quality doing that.  Granted, there are some circumstances where you may want to do that - I've done it myself when I wanted to try plugging IEMs directly into the DAC, etc.  However, those instances should not be the norm.  The pupDAC is designed to be used with an amplifier.

 

All that said, there is an issue with Windows 7 and beyond and the way they enabled volume control through a USB device.  Texas Instruments actually came out with the PCM2706/7 "C" version to address the different methods used in Windows 7 and beyond.  I haven't tested this myself yet, though, so I don't know if simply replacing the chip in the pupDAC with a "C" version would fix the volume control limitation that you describe.

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