Box volume for Crystal CMPx2 15’s

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=17898
Printed Date: July 27, 2025 at 11:03 PM

Topic: Box volume for Crystal CMPx2 15’s

Posted By: c0mpl3x
Subject: Box volume for Crystal CMPx2 15’s
Date Posted: August 21, 2003 at 10:50 AM

I plan on running 2 Crystal CMPx2 15's off a JBL BP1200.1. Ok so here is the question. Crystal's sealed box dims call for 1.8 cf per chamber and the box im going to buy from subzone is only 1.5 so if i added some poly-fill would that be ok? I really dont feel like building a box so i just want to buy a box already built.

Replies:

Posted By: Big Purds
Date Posted: August 21, 2003 at 5:16 PM

well, they will be OK, just wont hit as hard in the lower frequencies...a smaller box will give u a bit of extra punch but cut off some of your bottom end response...if you dont want to build a box you really wont lose too much in the 1.5 per box...

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