View Full Version : Alpine Box Help

03-02-2014, 07:33 PM
Hy...i need help about box for my alpine swr 1223d. i have some box for everyday listening. But i want to build a spl box for competition. and i dont now how. i dont have dimension. so i begging you to help me =).

if someone can give me a dimension or picture of spl competition box(aeroported or slot ported) i will be thankful. Car frequency is 60-65 Hz

There is a picture of my box. sorry for my bad english.

http://i1278.photobucket.com/albums/y519/vuki1901/64097_10200795429745591_1556767962_n_zpsf6b7c33b.j pg

03-03-2014, 04:01 PM