Tube Amp Archive

It was a rectifier issue and the power switch was bad.

Thanks for the input guys.

i think its a '71. all electrolytic caps read well over 10m on my meter which should mean they are operating correctly.

I have a 50w jmp that is blowing fuses. Can anyone lead me in the right direction to solve this problem? Here are the symptoms- 1. When plugging in amp to wall outlet, with power and standby switched off, the filter caps start to hum and vibrate. 2. Turning power on no change, filaments light up as ...

I use CE dist and only had to give them my website address to be accepted.

Ask for Rob, he is by far the best rep at CE.

JJ 7591 tubes perform great and come in at around $40 a pair shipped to your door.