Biamped system. Rogue M120 monos drive Bohlender Greabener RD50. B&K Reference 220M monos drive double 12" woofers. (I made speaker enclosures). Rogue Pre, Ashley xr2001 x-over,Behringer 8024 Eq,Phillips DVD 963SA cd player,AR turntable,Shure V15 cartridge. Minolta HT Si camera used