hum in amps??

Gary Glisson · From: munford, tn 38058

i've got a new goodrich H10K volume pedal.
and 2 evans FET 500LV's with all brand new guitar monster cables. when i have one amp plug into the volume pedal it works fine. when i plug two amps in the volume pedal i get a hum with the pedal shut off. i tried reversing the switch position on the amps but nothing changes. unplug any input , ethier amp, hum go's away , plug both back in hum is back.

has anyone had this problem or know's how to fix it
thanks gary

[This message was edited by Gary Glisson on 07 April 2006 at 09:07 AM.]

[This message was edited by Gary Glisson on 07 April 2006 at 09:08 AM.]

Mark Herrick · From: Bakersfield, CA

Maybe a ground-loop hum?

If you're using two amps, maybe you need to lift the ground on one of them. I think you can do this by using one of those three-prong-to-two-prong plug adapters.

Don't know how safe this is. Maybe the electronics gurus will weigh in...

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Ken Fox · From: Nashville GA USA

Here is some info that will help:

http://steelguitarforum.com/Forum11/HTML/008618.html

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