Dealing with loud hum noise with nothing even plugged in. It's coming through the speakers and it's annoying. Sounds like the transformer, the hum has a low B in pitch. I swapped some preamp tubes around and nothing changed. It's really loud on the clean channel. I'm going to try and replace the tubes with new ones first then go from there.
The amp is a boogie 2 channel dual recto..
The amp is a boogie 2 channel dual recto..
