Thanks for the suggestions. My components were pieced together by myself and the crossover was also self built from bare parts. The midbass driver I am using is the 5.25" Audax Aerogel (wish I went with the 6 inch instead):
http://www.partsexpress.com/pe/showd...number=296-155
It has a QTS = 0.41. The crossover I designed is a 12db/octave linkwitz-riley at 4200 hz. My 4 channel amp also separates the components from the sub at a fixed crossover at 80hz, 12db/octave. I am pretty satisfied with my components, I guess I was just hoping for a cheap and quick solution to up the midbass.
Quote: Originally Posted by
durwood 
It definitely isolates, but at a cost of a loss of output ~3db where the energy is turned into heat.
That number seems fairly significant. But whether it is a noticeable difference by the average listener, I dont know. My amp is capable of feeding each channel 75 wrms (but my components are 6ohms, not 4), and I dont listen to music at extreme levels so a little loss in output doesnt bother me.