So I pulled these KLH T1B towers out of the basement and decided to give them another chance to see if I had any use for them. I hooked them up to my Pioneer VSX-D514 amp and played some music. Well they sounded like crap with piercing highs and a total lack of bass. I adjusted the amp for a while with no luck. I then hooked the speakers up to my old H/K 503 stereo amp from the 70's and they sound so much better, almost enjoyable. The speakers are still crap but the diffrence was incredible. I'd like to know why my Pioneer amp made them sound so much worse?