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Message: <blockquote data-quote="Dunerider5" data-source="post: 783528" data-attributes="member: 558441">I have 2 infinity kappa 12's in a sealed enclosure, about 3.1 cubes (not seperated).  I want to port this box, but I dont have the tools to make a good hole thats like 4 inches in diameter.  Can I do something like (4) 1 inch diameter ports, or 2 inch diameter ports?  How do I know how long they have to be?  Im hoping to tune to about 35hz.Im doing this because I want to know how the ported box sounds, so when I build my new box for my new vehicle, i can decide between ported and sealed.</blockquote>

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