With alot of help from njsm, I designed my first box. I am wanting some people to check it if you have some spare time. Should be 5.4675 cubes gross, 60in^2 port, tuned to 33hz, 30.5 in port length. Internal dimensions are 30 x 21 x 15. Here is my SketchUp of it:
http://img390.imageshack.us/img390/3645/15gw1.png
http://img390.imageshack.us/img390/6786/151mw4.png
http://img390.imageshack.us/img390/3645/15gw1.png
http://img390.imageshack.us/img390/6786/151mw4.png
