Tube Amp Archive

Got it!! Relay2 has gone bad. Relay1 works as is should but #2 isn't switching as is should. All the associated trannys test good including the LED driver for the channel switching. Hopefully this can help someone else with this problem. Thanks to all,Greg PS MetroAmp forum is back up and running we...

Yeah thats it. I'll order a couple new ones. Any suggestions on tubes? Thinkin about Ruby Shuguangs. Any experience with those tubes? Thanks again,Greg

Maybe bad solder joints? I've got a JTM60 and love it. Good luck and keep us posted.Greg

So Steve are ya sayin a preamp tube might be goin bad? Cause the only place where I can figure the overdrive section and clean section crossover is RL2. Also I've modded this amp considerably . The clean is close to a 1987 and the overdrive more towards a 2204. These mods are from Gunnar on the now ...

I've got a JTM60 thats acting odd. When on clean the overdrive gain is "bleeding" into the clean. Almost "ghost" like in the distant. Any thoughts? Maybe the signal relays? Thanks,Greg