Tube Amp Archive

Update: it's fixed. The cabling was reversed. I feel pretty stupid, but to my credit, the input on new Accutronics pans have a white surround, and the output has a red surround....the opposite of the way the amp has its send and return marked. The amp sounds fantastic now. Channel 2 is surprisingly ...

Firestorm, I'll check those control voltages. Great idea. Pretty sure it's not the pan as I have not just replaced the pan, but tested it too. Thanks, I'll report my findings!

Ah, yes, thanks Nick: There is indeed a recovery tube, V5, which is a 12AX7WA. I swapped it with a replacement with no change. And yes, I did do a continuity check of the reverb cables. The schematic may be labeled "BASSMAN 100" but it's indeed the amp in question. Pops: I've checked and rechecked t...

Greetings Amp Garage people. First time poster, long time lurker. I'm at my wit's end with a 2002 Fender Pro Tube Pro Reverb model. This is their pre-Super Sonic amp with a high gain 2nd channel. It's actually quite a nice amp with big trannies, lots of tubes, and that classic Fender 6L6GC wallop. O...