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In Reply to: RE: Thanks to responders. posted by Alpha Al on January 11, 2016 at 05:12:48
What if the receptacle is not on the neutral side.
I've seen this cap cause exactly the type of problem the OP is having.
Dan Santoni
Follow Ups:
Fit a proper three-prong line. Make sure the "hot" or black line goes to the fuse. White to PT. Green grounded to chassis, right after entry into the chassis. I have not had hum issues, when doing this setup to the vintage amps I've worked on.If the amp has an auxiliary AC socket, make sure wiring to it is correct.
I think the OP amp's hum is in the gain stages and/or PSU of the amp. Not AC wiring. At least, I'd rule these out, first. IMHO.
Edits: 01/11/16
That's what I was getting at.
Dan Santoni
Yes, and with this arrangement you can get rid of that "death cap." Which usually is a nice vintage cap, that can be re-used.
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