Mcintosh MC352(driving double 12" woofers),Rogue M-150 monoblocks(driving Bohlender Graebner 50"Planars & ribbon tweeters),PS audio preamp &HCPS,Marantz SA8260 cd player,Ashley electronic xover,Adcom & monster cable line conditioners, Signal Cable interconnects and speaker cables. MY hobby so I made all speaker enclosures.