mlaverty said:which tube could be responsible?
Boogiebabies said:I forgot to mention running a patch cable through the loop. Since Rabies is a Boogie diagnostic genius, he should have told you.
If the loop returns shorting jack gets left open, it won't pass any signal or may cause intermittent volume drops.
mlaverty said:is the V5 phase inverter tube an ax7?
Boogiebabies said:A bad phase inverter or possible the master volume pot.
Most likely, the PI. When you turn the amp off it kills the voltage to the tubes and it may come back to life after the recycling of the power.
A good pot cleaning would not be a bad idea anyway. They get dirty and scratchy after only a few years of use.
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