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Ground loop (1 Viewer)

gorben

Auditioning
Joined
Sep 10, 2014
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2
Real Name
cedric
Hello,

I am building a home theater and I ran into a ground loop problem.
The loop is between my HT receiver and the subwoofer. If I attach a cable (regular speaker cable) from the case of my HT receiver all the way up to the sub (ground of the RCA connector), the loop almost completely disapears.
I would like to have a real solution for my problem rather than a cheap fix.
What would you suggest to fix this problem once and for all?

Thanks for your help,
 

gorben

Auditioning
Joined
Sep 10, 2014
Messages
2
Real Name
cedric
Thanks for your reply. The hum goes up and down with the gain. It also goes down if I turn the receiver off. Also, it is not a clean 60 Hz hum. It is pretty noisy.
 

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