My phone is in another room and there is a wireless router in the same living room as the audio system. But the noise is not just high frequency,...
RCA output into my power amp produces the same noise, just not as loud compared to balanced output (expected since it is 2v versus 4v output). But...
Received dac1541. Connected it to my power amplifier (via balanced interconnects), turned the dac1541 on and heard noise (from high frequency...
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