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Hi All!
I've had a pair of SETH amps for about 18 months and the Hammond power transformer on one of them has started humming when it gets hot (at least I'm very suspicious that that is the source of the blasted noise!)
What would cause this fault? Can I do anything to remedy it or just take a chance with a new Hammond PT? - I know, I know, shoulda used all MQ iron...sigh.
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