Hey guys! i recently bought an alpine type x 12" with a prefab box. I want to upgrade my box. So if someone can review the specs i created for my box, it would help me out! Also, if someone has something better, or has any suggestions, please let me know!

Height:15in

Width: 21in

Depth:18in

Wood thickness: 3/4

port width: 1.5in

Port length: 25in

port area: 27.75

box volume ft3: 1.96 ft3 (after woofer displacement)

Tuning freq: 35.72hz

 

Got a new design

 

any help??