WhatFurrer, it's probably just my setup. I remember not having any problem with the Paradigm sub and Pioneer receiver. SVS even suggested to use both input which I did and it didn't help. I still like my SVS though...:)
Outlaw 950/755
SonCDP-CX455 & SON DVPCX985V
SVS 20-39 PCI
RS750
Polk CSi 245 & FXi 300