Bozak Concert Grands with Celestion super tweeters, tri amped with a MC207. Bozak Symphonies with Vifa super tweeters Bi amped with another 207, two Bozak 313's powered by 207, four Boson wall speakers powered by 207 and Stax and Signet earspeakers powered by a MC 2505. Just added some Sennheiser Momentums powered by my C-34 monitor amp, Mc2505, or my iMac.