Originally Posted by
GordonW
As for vented- unless you're going to use it in such a way as to need serious bottom-end excursion out of the driver (ie, a 100 Hz crossover point, or something similarly low), I'd shy away from vented enclosures. It's always harder to passively cross-over a vented enclosure as a high-pass, than it is a sealed enclosure. That second impedence peak above box resonance is a PITA to deal with, using a passive highpass crossover in a ported midrange system...
Regards,
Gordon.