Originally Posted By: LucRaymond
crossover is set to 80hz , speakers are set to large and receiver set to Subwoofer-Plus , which means that the base is sent to both SW and front speakers.

Just for giggles try setting the speakers to "small". When I changed my receiver to "plus", I had noticeably less bass. I think the sub and the mains were canceling each other.

Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris