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Old 12-04-07, 07:20 AM   #4 (Link)
 
brucek
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Re: Made system changes, now have ground loop hum?

Are the three 20 amp circuits on the same leg of the service panel? If not, you shouldn't have the receiver and QSC amp on different legs.

You didn't say where the hum was coming from. Mains or IB?

brucek
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