E ejp Member Joined 2007 dadaelectronics.com.au 2022-05-31 4:00 am #21 2022-05-31 4:00 am #21 Remove the input cable and short-circuit the input and repeat your spectrogram. I think this is a ground loop. Certainly all this talk of opamps is irrelevant.
Remove the input cable and short-circuit the input and repeat your spectrogram. I think this is a ground loop. Certainly all this talk of opamps is irrelevant.
