Originally Posted by oneeyeblind
Hmmm that's a pretty low crossover point. As I said you might want talk to Tom at PSA. I would assume off the top of my head. A XS30 should outperform you tower speakers for bass. generally most people use a higher 80Hz crossover with a setting of small to allow the sub to handle more of the low bass.
^^^ This. My AVR also sets my crossovers at 40 Hz, but I change them to 80. It sounds a lot better and it eases the burden on the amp driving the speakers, giving the whole system more headroom.
Gear: Speakers (Paradigm Reference Studio Series): 40 v4 (front L/R), CC-690 v4 (centre), 20 v4 (surround L/R). PSA XS30 (subwoofer).
Denon AVR-X4000, Emotiva XPA-5, Samsung PN64F8500 (64" plasma), DarbeeVision Darblet DVP5000, PS3, Sony BDP-S6200, Apple TV (3rd gen.), Harmony One, Sennheiser RS180