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In Reply to: RE: Thanks to responders. posted by Blackdog on January 10, 2016 at 17:18:15
I don't recommend removing the so-called"death cap".
There are times when a three-wire grounded outlet may not be available, and it's needed to remove noise from the line.
As long as the plug and outlet are correctly polarized, and the cap is connected from the neutral side of the line to ground, it cannot cause "death".
Follow Ups:
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
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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