Quote:
Originally Posted by audio bill
Ground loop problems can be difficult to diagnose and correct, but the problem may be due to a difference in ground potential between your dedicated 20 amp line run for the amps and your non-dedicated 15 amp line. I'd suggest having your electrician check the ground potential on those two lines and take whatever steps are necessary to have a common ground on both circuits, or only use the 20 amp circuit for powering all components and see if the hum is eliminated.
|
Hello,
Thanks for your suggestions. Yes - I did try that as the 20amp line terminates into a four/quad outlet. The hum remained. I’ll get an electrician out to look.