Need help designing a box for 4 sa 8v2's

[Joe X]

Here's another alternative:

Fb = 34 Hz
Vb = 3 ft^3

External Dimensions: 17 in x 32 in x 17 3/4 in (H x W x D), 3/4 in wood, double layer baffle.

Port Width = 2 7/8 in

Port Parts:

Front to Back = 12 5/8 in x 15 1/2 in
Extension = 9 3/4 in x 15 1/2 in