Howdy y'all (first post!)- I am not a bass guitarist, but my band's drummer wants to play bass (we currently are looking for a bass guitarist). He has a 25 watt fender rumble bass amp and an original 1969 45 watt fender super reverb. I was wondering if he could convert his guitar amp to a bass amp by buying a 1x12 cab and hooking up the output of the super reverb to the cab. Is this stupid? Should we find someone with a real rig? Speaker recommendations? We're a punk band and want loud bass. I have a 40 watt Marshall DSL40c.