Hello all. I am getting ready to build a 4th order bandpass box for 1 JL 12W3V3-4 with a JL 500/1 Amp. My specs from WinISD are as follows. Sealed is 1.208 cu.ft. driver displacement included, and ported is 1.875 cu. ft. It recommends a port that is 4.02 x 4.02 and length is 11.97. Checked some other sites and they suggest the same except for length and it was 5.98 which would be better. And last question does it matter if the port is completely inside the box, completely outside, or half in and half out?
