Box design help

I am looking to make a ported no kerfs 3-4 cubic foot box tuned to 33hz. The avalable space is 35wX20dX15h

:wave: you can email me if you want. It's in the sig.

http://www.caraudio.com/forums/enclo...box-plans.html

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Originally Posted by schrummy

http://www.caraudio.com/forums/enclo...box-plans.html

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I just can figure out which one is the one i need??? The labeling on the pictures doesnt really help me