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High volume Hum / Buzz Fender Fm 65R ?

I have found that I have a 24v dc signal at the speaker, with a sawtooth pattern when viewed on a scope. The output pair look good as do the DC block capacitor and the 2W resistors. Does anyone have any idea on the fault cause?

J.Somerville
June 2011
try connecting the dc amp via a transponder in respect of the ampage your pick ups will rectify any ambient noise and cancel out any buzz.

kex
December 2012
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