ugadawg131 Posted December 26, 2008 Report Share Posted December 26, 2008 ok i have a polk db 1040 sub (10") and the vas out of the manuel says 1cube.... i read that this is the free air complience for the driver or something like that. my question is how does this calculate to the size i need to build a ported box for this sub, im using the REaudio box calculator, so if i can find out the internal volume that i need (or that yall recomend) i can just play with the dimensions. thanks alot David Link to comment Share on other sites More sharing options...
ugadawg131 Posted December 26, 2008 Author Report Share Posted December 26, 2008 bump...im thinking a 1.5 cube tuned to 36 hrtz.... what do yall think? Link to comment Share on other sites More sharing options...
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