I also posted this in Bill's repair section but figured some of you Gibson experts here may have heard of this before and may have a solution.
Anyone here good with Thunderbird wiring? This is a year old NR T-Bird. I'm getting 60 cycle hum when I have both volumes below full with it in an amp I use at a weekly gig, it's not the amp as other basses don't do it there. I'm in Lima, Peru.
The power out here is 220 with one hot wire and a neutral, no grounds.
This one bass also will do it at home with Ampegs but reversing the plug solves the problem with them and none of my other basses hum here with both volumes below full on. I'm pretty sure it's something internal as diming both volumes increases any buzz pickup but eliminates the hum. No bass out of 6 I have here does this besides this T-Bird. The bass sounds great and both pickups sound normal. Any tips appreciated. This is with the same cord, I frequently play a Jazz at this club, also a Fender P/J with both volumes down too and no hum at all.
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