builder design

I have now 2 sets of 6" and 2 sets of 6x9" which I've wanted to repurpose into it's own enclosure alongside 1 or 2 Kicker L7 12" subwoofer for both home usage as well as in the car, but I have no build experience and now can only imagen how a setup like that would look like. Any thought's and/or...

Just wanted some input on the box I just made on my Sundown SA 12. I followed this box design from one of the stickies which is rougly 2 cubes after port displacement and tuned to 32 hz: ImageShack® - Online Photo and Video Hosting I ask because I feel like the sub just doesnt hit as hard and...