I'm sorry for the ridiculous question, but I honestly don't know much about amplification. I'm currently running a Fender Bassman 25 bi-amped with a Peavey Fury 128 guitar amp for more treble and overdrive. I love the tone I get from the little Fender (I could take or leave the Peavey...I basically just use it as an effect that I'm sure I could replicate in a less bulky manner). I've been playing through a bunch of different head/cab combos and some preamp/poweramp/cab combos at GC to see what I like tonewise if I upgrade to a gig worthy rig. I've tried the Ampeg SVT (the head and then an SVT pre with a power amp), GK 400RB all the way through 1001RB, Eden WT550, and a couple of Hartke heads (all through an Ampeg 410 and an Eden 210...I liked the clarity I got from these) and sadly enough...I still love the tone of my Bassman to all of those heads. I still haven't tried the Ashdown MAGs or EVOs or the Fender TBP-1 (I figured this might get to a similar tone, being a Fender...but I'm sure that's also flawed logic in that my Bassman is solid state and the TBP-1 is tube). My question (sorry for the long intro) is...can I use my Bassman 25 with a power amp to power a 210 and a 410 and keep the tone I like? Just for reference, I like to play everything from Motown to Death Metal and I play on a Geddy Lee Jazz with the tone knob and bridge vol cranked to full and the neck pickup on half...I have my low knob at 12 o'clock, my Mid at 3, and my Treb at 5 on my Bassman. I prefer light guage D'Addario nickel roundwounds. I also have a fretless PJ and I'm getting an Ibanez sr506 (and I should be set on basses). Any advice on whether I can use my Bassman with a power amp or a good alternative head and/or preamp would be greatly appreciated. Thanks a ton!!!