In Reply to: QSC hum posted by chris on June 14, 2009 at 08:09:12:
You have whats called a ground loop
Easy way out........?
Yes
Get yourself a 25 cent ground lift adaptor from the hardware store
Lift the ground on one of your input units or the power amp
Lift the ground on say your pre amp first...if the hum is not
gone then try the power amp as the last unit to lift the ground
on with the adaptor
Your system will still be grounded
You are just eliminating the ground loop between your pre units
and your power amp
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Follow Ups
- Ground loop - Pro Sound Guy 18:25:15 06/14/09 (3)
- RE: Ground loop-DON'T DO IT!!!!!!!!!!!!!!!!!!!!!!!!!!! - Ivan Beaver 13:56:41 06/21/09 (0)
- RE: Ground loop - chris 20:13:09 06/14/09 (1)
- RE: Ground loop - Pro Sound Guy 06:20:46 06/15/09 (0)