I just got back my Bose 901 Series II Eq from the tech! Luxman C-1010 control center Technics SH-8055 EQ Denon DRA-435R Receiver Sony CA7ES cd Technics SL-QX300 Turntable QSC 1400 Amp I have all components fed to Luxman out to Technics EQ to Denon receiver. The Denon is powering a pair of Cerwin Vega 217R's the Denon has preouts sent to the 901 Eq which feeds the QSC 1400 Amp. The 901's are powered by the QSC Bridged @600WPC! If you really want the 901s at full potential you have to feed them serious power! This setup sounds amazing! I was initially a little pissed off thinking the tech pulled a fast one on me because the Eq sounded scratchy! But.. it was the rca cables I was initially using. You really need to use vintage RCA cables with the 901 eq. The monster type cable ends will touch. After switching the cables out the scratchiness was gone and I'm impressed! Especially with the 901 217r combo! The Denon receiver is only rated at 50wpc but it's a solid 50 and these 217r's are super efficient! The 217r's have incredible Bass and the 901's provide top notch mid and highs! I'm happy with the result!