Size of 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=7036
Printed Date: February 14, 2026 at 5:11 AM

Topic: Size of box

Posted By: Jezza
Subject: Size of box
Date Posted: December 23, 2002 at 1:11 AM

im building a box for my Earthquake BR-1570. On their site https://www.earthquakesound.com/br1570.htm they recommend the cubic ft for the box (i think)

I wanted t build a sealed box. The site recommends a 2.5 cubit ft box. I have been comparing this box size with other boxes for 15inch subs. Is 2.5cubit ft to big for the sub or dont know what im talking about.

I need to the correct cubit ft. soon because i wanna build the box and hear my sub.

Thanx all for help

Replies:

Posted By: bberman1
Date Posted: December 23, 2002 at 9:44 AM

It is a rather large box for a sealed enclosure but 2.5 cu/ft is the correct volume for that sub.

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