Where does the hum come from?
In article ,
John Williamson says...
Going from
a single ended output to a balanced input with no isolating transformer
won't be helping.
I suspect the OPs "speaker wire" is probably an RCA cable with a mono 2
pole TRS adapter on the end.
What connection that is making within the 3 pole TRS input is anybodies
guess.
--
Ken
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