Enclosure For 12 JL W7


Bronze Member
Username: Judgedredd

Post Number: 28
Registered: Feb-06
Reference: https://www.ecoustics.com/electronics/forum/car-audio/200506.html

Ok..this is what i have so far, I'm making the box out of 3/4 mdf, one box 2 chambers, external dimensions 16.5H, 16D, 39W
Internal dimensions per chamber

Woofer xmas (29mm)
Displacement (.14 CuFt)

I'm using the calculators on http://www.accelerator-pedal.com/ported-box.asp
and I'm getting some weird port reccomendations, I'm trying to tune to 32

http://www.accelerator-pedal.com/ported-box.asp?Ew=18&Eh=16.5&Dia=6&Xmax=29&Vd=. 14&NumW=1&Vb=2.08&Fb=32&Qts=&Vas=&Fs=&CE=0

Gold Member
Username: 54danny54

Betsy layne, Kentucky..GO... USA duh

Post Number: 1900
Registered: Nov-04
and ur asking wut exactly?

Gold Member
Username: Tdbdadrummer

Wellsburg, WV USA

Post Number: 1386
Registered: Aug-05
Whoa...the 12W7 has the same displacement as a V-Max and possibly an Assassin?

Silver Member
Username: Spyder

Eglin AFB, Florida USA

Post Number: 295
Registered: Jun-05
And i would also heed JL's warning about using 1 inch think MDF for a face.

Gold Member
Username: Tdbdadrummer

Wellsburg, WV USA

Post Number: 1390
Registered: Aug-05
KLC, that box is like 5X longer than it is wide...

Why don't you try and even that up a bit...

Bronze Member
Username: Judgedredd

Post Number: 30
Registered: Feb-06
I am using 1 inch mdf for the face..i should also mention the box is for 2 W7's

It's coming out well...i couldn't find a port calculator that made sense when i put in the dimensions..so i guessed on the port length..lol im such an idiot
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