My new to me, Fender Bassman 10 4x10. I've only had about 20 minutes so far plugged straight in, no pedalboard but this thing sounds great so far! I need to get my pedal board into the Studio channel and give her a test run. Whoever had it before me (bought it used from a GC) just put new tubes in from Tube Depot (still has stickers on them) and they got a "perfect match" for the power tubes. I think this may just become my new favorite amp.