here is a great video from Mark C.A.F.
http://www.stevemeadedesigns.com/board/topic/194237-increase-mid-bass-how-to-sound-deaden-like-a-pro/
still don't know how he got lux pro behind a door panel that stuff is thick and heavy.
I've always wanted to try a 6.5 in a t-line maybe ill finally do it. This looks like another win for sundown. Keep on innovating!
Whats the time frame for the production units?