I was thinking maybe an isolation transformer could help diagnose the problem
generic info

then for a more expensive solution. someone previously posted about an analog to digital converter, in another thread. that would probably be overkill.

my axioms severely showed the limitations of my mp3's, which i unfortunately had made at 128kb. now all my digital audio media is stored in flac.

hth
rperkins


Axiom M80, Ep600, Qs8, VP150, Crown XLI 2500 , DBX Driverack PA2, Focusrite Scarlet 2i4