[need help making a box for 8 12s]

Don't know if it will help or not, but here's Polk's info

http://www.polkaudio.com/downloads/manuals/car/MM2008_Sub_WebMN.pdf

MM Series Subwoofer Specifications

Thiele/Small

MM1240DVC

Type 12" (304.8mm)

subwoofer

Nominal Impedance dual 4 Ω

Frequency response 27-200Hz

Fs (Hz) 35Hz

Re 6.25 Ω

Le 5.1mH

Qms 5.0

Qes 0.70

Qts 0.6

Vas 1.3ft3

(38L)

Sd 80.6in2

(520cm2)

Power Handling 425 Watts

(Watts continuous)

Power Handling 850 Watts

(Watts peak)

Sensitivity 88dB/series

(SPL at 2.83V/1 meter)

Oneway/Excursion 1"

(Linear) (25mm)

Voicecoil Diameter 2"

(50mm)

Mounting depth 4 5/8"

(top mount) (118mm)

Mounting depth 5 1/4"

(bottom mount) (133mm)

Mounting Diameter 11"

(279mm)

[QUICK SIMPLE DEBADGING!]

I used one on an old Suburban when I shaved the door moldings. I also used it on my current ride to debadge the back end.

I used this one. Not as aggressive as the one you have, but it did the job easily!

http://www.signwareh...-HT-STPELM.html

Don't know why, but the picture is straight on upload, but sideways here. Sorry.