Building sub box

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=86063
Printed Date: November 04, 2025 at 9:20 AM

Topic: Building sub box

Posted By: MHARVEY
Subject: Building sub box
Date Posted: November 23, 2006 at 9:50 AM

ok im buliding a sub box for 1 8" sub. its going under the rear seat of a 2001 ford f150 x cab. the demensions need to be 17.5 wide x 6.5 high x 11.5 deep using 3/4 " mdf. I know i need to subtract for the matterial but i cant figure out where to take it off the demensions??? do i take the 1.5" off each board im cutting???? with the oustside demsions and woofer displacement i should get a little more than .33 cubic foot.

Replies:

Posted By: i am an idiot
Date Posted: November 23, 2006 at 10:29 AM

that box is .463

To figure it out yourself you need to subtract 1.5 inches from each measurement then multiply length x width x height then take that number and divide it by 1728 this will give you cubic feet

Posted By: DYohn
Date Posted: November 23, 2006 at 10:39 AM

Or use the12volt.com calculators. See the links to the left.

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