Originally Posted by Jim McC
My three front speakers(Infinity P163's) go down to 49 hz. and I'm looking to upgrade my 2 surround speakers. I'm thinking of buying the P143's, but they only go down to 100 hz. Being that they are for surrounds, is it a problem that they only go down to 100 hz? Does that mean I would have to set the receiver's crossover to 100? If so, isn't that wasting the capabilities of the 3 fronts? I currently have all speakers set to small, and crossover at 80 hz(My current KLH surrounds go down to 80 hz). What do you guys suggest? Thanks.
P163s seem to be a good match with a crossover of 80 Hz.
I need to keep harping on the point that sound quality is not about how low a speaker will go, but rather how low it will go cleanly at gratifyingly loud and useful SPLs. In this day and age it is possible to build a speaker with a 4 inch woofer that "goes down to 40 Hz", but it will not sound good there if you play it loud.
In your case your AVR seems to only have one crossover frequency. Given that P163s can be had for $100-150 a pair, I see no reason to go cheaper if it means raising the crossover frequency which means running the risk of having bad bass imaging.
80 Hz is a generally safe crossover frequency for obtaining good bass imaging, but if your subwoofer isn't close to the mains and near the center of your front speakers, you're going to hear some bass sounds coming from off to the side at 100 Hz.