Got an old ~ '66 Ampeg Reverborocket that is making a "thumping" sound like a really strong tremolo, except the trem is off!
Pulled the Phase inverter and the problem goes away.
I suppose this is what you'd call motoboating?
Think it's the PI output coupling caps leaking?
Pulled the Phase inverter and the problem goes away.
I suppose this is what you'd call motoboating?
Think it's the PI output coupling caps leaking?
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