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vuki1901
03-02-2014, 06:33 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

vuki1901
03-03-2014, 03:01 PM
anyone??