W'sup guys, i'd like a little assistance on my box build. I'm doing revisions 2 my blowthrough in my 99' s-10 and need help on port size. My box will consist of 2 12" orion hcca's and will be 14.5" tall, 43" wide, and i'm not sure as 2 how much depth i'll need. I'm still in the process of learning how 2 calculate port size so assistance with this will be greatly appreciated. I currently have a blowthrough with a bandpass box formulated from Pete at hexibase. I've been trying 2 get him 2 help me construct a ported box but he's busy as hell and i've been trying 2 contact him for like 2 months with no reply. Can u guys possibly assist me? Thx alot.

what are your goals for the box bandpass is probably gonna be louder than ported

well for one, it's harder 2 change speakers with the box being bandpass. and for some reason, my bandpass box was only loud at a certain frequency and not really efficient with high or even semi high bass. i'm just looking for more flexibility which a ported box posesses.

you could use the RE box calculator http://www.reaudio.com/speaker_box/LPort_Box_Calc.html

or you could download WinISD

make sure you face the subs up.