Question Static interference/noise external DAC

LAxTristan

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Apr 7, 2015
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Hi, i have an external DAC/AMP connected to my pc. But it occasionaly picks up electrical noise, it started doing this all of the sudden, it hasn't happened before. It's not a static hum, every so often it's like a loud scratching noise. I have tried to connect the amp to my laptop, that eliminates the problem. I have tried unplugging different devices from my pc to see if that's an issue but without success. I even disconnected internal components to see if they were causing interference but also without success. I have no clue what's going on.

If i connect external speakers through line in or headphones through the 6.35mm jack both experience the noise

Info:
All devices on my pc are connected to one power strip.
External dac is connected through USB and not near any power cables.
I tried moving my pc to a different room and i still hear the same interference every so often.

Any ideas to what it could be?

I would love to know because it really ruins the listening experience!
 
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