Re: dimentions for a 15" brahma ported box
My box is 4.5cu' and tuned to 38Hz w/ 2 4" Precision/aero ports. I use 3/4" and braced the hell out of it. The external dimensions are 16"T x 30.25"L x 22.5"D. If you want some more info. on it email me and I will get you some diagrams.
2006 Jeep Liberty
Adire Audio 15" Brahma running off Cadence A7hc, Clarion hu, MB Quart 6.5s and 5.25s running off old school Punch 800a4
146+db @ 38hz with 1200w and a single 15"
Lv = [(14630000 x R^2) / (Fb^2 x Vb)] - 1.463R
*Vb = vol. in cu"
**R = sq.rt. A / Pi (for square/slot port)