Weird Runt 50 issue....

napalmdeath

Well-known member
So, yesterday, my Runt 50 started having volume swells... I've ruled out tubes.. Went through the preamp tubes one by one, and no dice.. I put new power tubes in it, (same rating as whats in it, so I didn't need to bias), still no change.

It almost acts as if its the standby switch. It acts the same as if I put it on standby, (but not switching). Is it possible that the standby switch would malfunction?? Next step is to try some contact cleaner on it?
 
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