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southport2014
01-27-2012, 04:08 PM
hello everyone i have a orion hcca 15
i am going to be have a 3.5 cubic feet box tuned to 30 hz for it
i was wondering how many square inches of port do i need per cubic foot

southport2014
01-28-2012, 12:32 PM
please help

CAT MAN
01-28-2012, 12:40 PM
16-18 sq inches of port area per foot is a good rule to follow ;)

southport2014
01-28-2012, 12:45 PM
16-18 sq inches of port area per foot is a good rule to follow ;)

thank you so much .. i really appreciate it

CAT MAN
01-28-2012, 12:46 PM
any time