Bug: did you try just 2 amps for the fronts before adding the third for the center? I can't remember if you tried that or not.

I would be interested in knowing if "freeing" up the receiver power supply from the fronts was enough to make a difference on/ for the other channels.

The Rat. M80s, VP-150, QS8s, SVS PC 20-39+, OPPO, Onkyo 703s, Harmony 880 Sony 60" SXRD HDTV