Tube Amp Archive

I put a new one in, turned the amp on and before I even took it off standby it was humming real bad. Please explain. Was it humming through the speaker or was the amp itself humming? Either way, there is something wrong inside the amp. Unless you have training as an electronic technician, take the ...

This is exactly what it is doing as of right now. Took a video.

http://www.youtube.com/watch?v=CkVXdTrw ... e=youtu.be

I looked it up and it said Traynors have a fixed bias that doesn't require adjusting. I'm not sure though. I really have no idea.

Hi new to posting here. I have a 1971 Traynor YBA-1 Bass Master 45 watt head. I recently put new power tubes in it which are Svetlana Soft/Red EL34s in replacement to the Groove tube medium EL34s that were in it two weeks ago. The amp sounded amazing and I had no issues with it until last week at re...