box build help

[btlking 10+ year member]

alright guys i want to build a new box but i want to use aero ports for it my dimensions are

31.5 depth 15.5 tall and 44.5 wide

the sub is facing twords the ceiling buti want the ports to face either the seats or the back wall can anyone tell me what size i need to get as close to 30 hz as i can? and also tell me where the best spot to place them would be this will be for a 18 inch btl

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[btlking 10+ year member]

bump

 

[rpfuror 10+ year member]

2 6" areo ports @ 13" will give you the following based on yout max dimensions.

Net Volume: 9.75 cu/ft

Tuning Freq: 30.06 Hz

Is that what your asking, kinda didn't follow??

 

[btlking 10+ year member]

yes exactly what i wanted thanx