jadejay2 said:
What do you guys think the problem is?
I can think of a couple of things to try.
1. If you're using the bass management facility of the receiver (and it seems that you are because you mention that it's crossed to the sub at 100Hz (more on that setting later)), you should set the crossover frequency setting
on your sub to maximum. In effect, you are allowing the sub to play frequencies much higher than you
want it to, but because the receiver won't send it frequencies above 100Hz anyway, the sub'll never actually be
able to.
2. If you've used your receiver's automatic calibration facility (if it has one), you may find that the
Level setting for the sub is far lower than those for the rest of your speakers (auto-calibration isn't perfect). The 'auto-detect' feature of your sub may not kick-in because the signal it's getting from the receiver is too low to trigger it. To get around this, simply go into the receiver's menu and raise the sub's Level setting, but lower the volume setting
on the sub itself. In this way, you'll still hear the same volume as before (the two will have countered each other), but the sub will be
receiving a stronger signal to trigger it.
As for the !00Hz setting you have for the crossover, this seems quite high. Ideally, you should look at the frequency response (i.e. 60Hz to 20kHz for front left and right; 80Hz to 20kHz for Centre etc) for each speaker and set the crossover to the largest of any minimum number. In the above example, the crossover setting would be a choice of either 60Hz or 80Hz, so 80Hz would be used.
Hope this helps.
