Original report for this Fender was only overheated bias resistor, but after a complete inspection we found so many things to improve an correct in the amp. Untwisted power transformer wiring going to the triode causing noise. Photo ref 1 Wirewound resistor used instead of carbon film or carbon composition. Photo ref 2. Bias resistorContinue reading “Fender Vibro Champ with burnt bias resistor”
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