It's not an Amp, it's not a guitar and it's not a pedal It's a Fender Dimension IV mind Expander. It powers up, tubes glow and the mechanism works but it is not expanding the sound as it should, my research seems to indicate that that means the oil leaked of of the tuna can. I'm assuming it can be fixed. It's apparently a super-rare piece, picked it up for $75 on C.L. pot codes are 1967, not sure of the actual year. It has two old RCA 12ax7s in it.