Aero ports ?

[941 Spl 1]

Ok so i have decided to build a box with aero port but im a little lost with the tuning the box will be 6.5 cubes with a fi btl 18 in it if i use two 6" aeros how long do they need to be to get too 33 hz ? thanks for the help guys =)

[johnecon2001 82]

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

Go nuts.

[941 Spl 1]

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

Go nuts.

why thank you sir !