Originally Posted by
the727kid
I wouldn't even ever consider using a subwoofer past 80hz. Usually not even past 63hz. From there up to around 2khz should be taking care of by mids. If you heard a car set-up well you would know why you need mid-bass.
I'd use sealed 10's above 80hz. but then i wouldn't let them drop below about 40 either...... :\