aero ports

[Jeff Donehoo]

im trying to build a box for 4 kicker cvr 12's and i want to port it using aero ports i want to get the box tuned around 32hz the box is 32in wide 28in in long 16in..depth how do i figure out what length and width to make the aero ports

[dfoland93]

http://www.psp-inc.com/tools.html