New answers tagged audio-interfaces
2
This is a broad sweep at the issue, some guesswork & experimentation required.
First of all, if you have an alternative DAC try it, no matter how basic, just to eliminate the simplest explanation.
Secondly - if anything has batteries, replace them.
Up at 5k, it's unlikely to be directly related to 'mains hum' itself, grounding issue etc.
A very simple ...
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