have a really old 59 circuit but with super tremelo which I deactivated. Will knock the paint of the walls running wide open. Use an Alex attenuator and the sound is wonderful, nothing like it. Get an attenuator if you like that sound. Personally I don't like most of the MV circuits as they screw with the signal and compress too much in my view, nothing like getting the power tubes barking a bit.
Funny story, back in the 70's I had an opportunity to buy one of those 200w Marshall majors. Plugged in turned it to 1-2 and I pulled the cable back out and thought "I'm not Ritchie Blackmore".