Tube Amp Archive

Replace them. AFAIK thats abnormal.

Its the 6P3S-E analogue (6П3С-Е). Seems to be a 25W tube, but I believe the specs to be lowered deliberately to insure long life and reliability.

I think the optimal way for this case would be to disassemble the amp, make another board and in the meantime test the caps for leakage and the HV resistors for correspondance to the R value labeled. There simply might be no need for anything new except the board.

Your English is very good. :D Perhaps better than a lot of young Americans. :lol: Haha, thanks. Seems so. I worked really hard at this, though it kinda went easy for me. I teach English here for a couple of bucks here and there. Next summer I plan to fly to US on the Work&Travel program, so I think...

Welcome aboard Ace. When I saw Moscow under your avatar I thought perhaps Moscow, Idaho USA where I was born but I see that isn't the case. :) Sounds like you have already been having a lot of fun building amps and playing. 8) Mark Hey, we`re almost countrymen! :wink: Yeah I`ve been surfing the sub...

I think its not. Anyway, you can always make sure of it. If you now are concerned about your OT, solder it out and try surging your heater voltage (AC of course) into the secondary coil. Be very careful and measure the voltages on the primary taps: CT to Left CT to Right You should find there relati...

Thanks!

Meloman is a common term we use. I think its for melody maniac - a music lover.

Hello everybody! I have just arrived at the ampgarage, so I thought it would be nice to introduce myself. I`m 21, I live in a town near moscow, Russia. When I was a kid I attended local technical hobby centre on the subject of radiodesign. The volunteer teacher tought us the basic precaution measure...