View Full Version : Port size help?

03-22-2014, 12:47 AM
4 X hifonics Brutus 12's brz12d4
5.69" mount depth
.12 sub displacement
Box is.
40"L X 28"D X 18"H
I need the box to be [email protected]
What size should the chambers be
With the subs firing up and the
Chamber venting towards the back door.
Any help is utterly appreciated.

03-27-2014, 12:55 AM
Can anyone help?

03-27-2014, 03:20 AM
Subwoofer Enclosure Calculators, Fraction to Decimal, Parallel, Series, Port Length and Volume Calculators (http://www.the12volt.com/caraudio/boxcalcs.asp)