Tube Amp Archive

The problem seems to be coming from either the recovery mixer or the trem section. If I inject a signal on either side of the mixer (v4) it gives the same results that plugging a guitar in and playing does- nasty sputtering oscillating sound. I think you're right about that. Exactly where are you i...

I've got a DRRI on the bench for repairs with what initially was thought to be either a bad power tube or rectifier by the owner. However, it turns out that neither were the cause. Here's whats going on so far: When the amplifier is turned up past 4 on the reverb channel, the amplifier breaks into a...

double post

New to the fourm, joined for other reasons...but I saw that this thread was recent so I thought I'd chime in with some advice on this amp. 1) The PT is WAY too big for 6v6's, it puts out 400-0-400vac. 2) The OT is plenty for a 12-15 watt PP 6v6 guitar amplifier with your typical 100-10k response, bu...