Re: did i do this right
for 9.05cu' tuned to 30hz and using 60sq" of port i come up with a length of 13.5...if you need to add an end correction factor (port and box share a common wall) then add 1/2 the port width to the length to get a new length of 16.5" long.
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)