thanks for the reply! however, that is not the power amp that i have... the links you posted are for a "Bass 750" head which is actually an older power/preamp combination. mine is a newer power-only amplifier used for powering separate preamps or extra bass cabs, etc.. for a brand new one like in the link i posted the going price seems to be $1050. i haven't seen any used ones for sale online in a long time. guess not a lot of players have them..?