...just for grins I pulled out an old pair of my older ESS PS-810 AMT bookshelf speakers (95db 1w/1m), updated the crossovers with newer ones, better caps, and tried them with the little Inspire KT150 10w amp as a re-test. Also, reconnected my Cary SLP-98 preamp as a test since I don't own one of Dennis' matching preamps yet . Woohoo. Sounds pretty good jumping from 91 to 95db speakers. A reminder to self proper matching is important