Tube Amp Archive

By all means...email TubesnMore and describe the problem. Although the details are fuzzy in my 53 yr old brain, I had some problems with some JJ brand power tubes a few years ago (6V6s IIRC) and they replaced them with no questions asked. Good luck, Dave O. Thanks Dave. Now my email is down. It nev...

Thanks for the responses everyone. I don't think the 50v cap failed, it didn't look burnt and the amp still works about the same as before with the 6L6's. I suppose it could be damaged, but it's not shorted. Smoke was only there for a few seconds before I killed the B+. I'll definitely consider larg...

Hi, new guy here. I have a home build that I had been running 2, 6L6's in with no trouble. It is PP, cathode biased, and cold with a 500 ohm R. I decided to try EL34's and I tied pin 1 to pin 8 then to the cathode R. B+ = 415v idle, Screens about 380v, OT: 4000ohm Primary. I have 1K screen stoppers ...