what kind of port for 3 L7s?

[greg2100 10+ year member]

I built a box for 3 12" kicker L7s. its 6.987 sq. ft. and I was planning on keeping it sealed but I like the way ported boxes get loud. So do you guys think I should make it ported or keep it sealed? Also if I go ported, what kind of port and what is the best tuning frequency? The box is 34' x 30"x 14"

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[benchambers80]

slot port use winIsd

 

[greg2100 10+ year member]

I would use winISD but I dont have a computer so I cant download anything because I use the computer at the library