infinity kappa 12 ported box design
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=122219
Printed Date: November 03, 2025 at 6:45 PM
Topic: infinity kappa 12 ported box design
Posted By: evanc
Subject: infinity kappa 12 ported box design
Date Posted: June 09, 2010 at 9:49 AM
I currently have 4 Infinity Perfect 12's in a sealed box and am looking to change that to a ported setup. I am aware that this will take up a considerable amount more space, and I am okay with that. However, I would prefer to find ways to keep this enclosure as small as I can. (This is going into a Ford Explorer)
I am interested in purely SQ. What size box and frequency should I be going after here?
I am new to the design stage of box building, but I was able to find the following specs from Crutchfield:
Vas (liters): 83.28
Fs (Hz): 23.32
Qts: .44
Xmax (mm): 14.15
Thanks for all of your help.
Evan
Replies:
Posted By: evanc
Date Posted: June 14, 2010 at 7:04 AM
I've gotten some direction to have 1.75 cubic feet per driver tuned to 32hz. Would that perform well or would a different configuration work better?
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