zaxfire69 Posted June 20, 2009 Report Share Posted June 20, 2009 Hey guys. Well I have decided to tear out the wall and build another box. This time I am designing it like Steve's Civic. Gonna have my 2 15's up top and my port on bottom. I have the measurements I want to use. Box is gonna be walled in my Civic. 40" Wide X 30" High X 15"s deep. I come up with 8.15 CuFt after Sub Displacement. I am wanting to tune the box to 32 hz. What do you guys think I should do as far as port. How wide and how deep a square port would yall recommend to get the 12-16 square inches per cuft? Calculating square port is not my strongest subject. Any help would be appreciated Link to comment Share on other sites More sharing options...
basshead4life Posted June 20, 2009 Report Share Posted June 20, 2009 i used expo sports calculator and got 3" high 28" wide and 30" long gives you 84in^2 port area and 5.85 cubes after sub and port disp. and tunes to 32.09 Team S.M.D. Maritime Car Audio- (2) 18" SSA ZCON D1 - American Bass 500.1 - 60 ft of 3/0 -480 Ah of battery - (2) stock alternators (70 +90) - Kenwood Excelon x-794, 4v preouts car audio is just a LOT more complicated than "this amp does this power" or "this sub will be this loud". its like 2 + 2 = banana. (if that confuses you then you get the point) lol Link to comment Share on other sites More sharing options...
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