Setting Sub Crossover Freq


I have speakers that have rated sensitivity of 89-90dB
and a frequency range of 45-22000/50000Hz.

Anyone have any suggestions where to set a sub crossover frequency given these specs ?
mjmch2003
As far as polarity goes it's 0 or 180 according to the room. Have someone switch the polarity while you listen to a song with constant bass and choose the polarity based on which one has the most sound pressure. The loudest pressure is the correct phase.
I have set it to about 50-55 on the low end, althoug it's tought to tell with the rotary dial and now the volume is at about 2 o'clock. Seems to been pretty decent. i get some nice low end extention, where the speaks drop off.

Worth nothing, the speakers are ACOUSTIC SUSPENSION (no ports)
My brother (not on a'gon) opined:

"Who knew the level of dorkdom in the world? U do need to turn the power up with lower frequency settings. Reason being, wider, slower waves need more watts to reach the same amplitude of percieved loudness. 80 hz is a little muddy to my ears for a sub. I'd try around 65 hz. Keep in mind that the frequencies are actually notes, so you may want to tweak it based on what key the music you are listening to is in. To figure out notes, keep in mind 110 is an "a" and use pythagorean fractions to tune down to the key you are in. 55 is also "a" ...."
Mjmch,

If you take only ONE THING from this thread, make sure it's point #2 from Drew.

Marty