Trekkerj,

I really think your problems may be from your receiver. DF thought as much with your previous post about crackling and the center channel. My step son has that same receiver in his bedroom setup, powering some small H/K sats. If I can, maybe I will take my 170's up to see how they sound. While Pioneer claims a 100 wpc, I really have a hard time believing it, the thing weighs about 18 lbs. If you are not doing so already, maybe you should set the speakers to small and cross over to 100hz.