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Original thread:
Post 10 made on Friday September 8, 2017 at 16:56
lippavisual
Senior Member
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December 2007
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After looking at your image, if you play any audio from Rack 1 out of the Sonance Amps located in Rack 1, do you get the hum?

If the answer is no, then the interconnects that are being used to connect from Rack 1 to Rack 2 are introducing the Ground loop to Rack 2.

Back to my original post, most likely your power outlets are on different phases.

EDIT: you could also try a powered audio balun, although that may not fix the original problem.

Last edited by lippavisual on September 8, 2017 17:15.


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