Insulate 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=29507
Printed Date: May 14, 2025 at 7:45 PM

Topic: Insulate Box?

Posted By: I AM
Subject: Insulate Box?
Date Posted: April 01, 2004 at 8:26 PM

I have a kenwood kfc-300512 sub in a boought'n sealed box. is it possible to port that box....and would lining it with an insulator help with this weak sub response as well as with the boom.......

Replies:

Posted By: t_808
Date Posted: April 01, 2004 at 8:48 PM

it is always in my opinion a good idea to insulate your box ,this helps with the boominess(standing waves)a generally raises the Q slightly helping to tighten up the bass. you can port almost any box given the right parameters and speakers but it is more to it than just cutting a hole in it.if tuned incorrectly it can lead to weak bass or increase boominess,personally i prefer a closed box myself.

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t-win

Posted By: I AM
Date Posted: April 01, 2004 at 8:52 PM

do I just stuff the box or line the inside if so what should I use......

Posted By: stevdart
Date Posted: April 01, 2004 at 10:06 PM

Does the manufacturer recommend a ported enclosure for this sub? Do you have a manual with it?

As for acoustical stuffing, it works well in a sealed enclosure to deepen the bass, loosely filled. No more than 1/2 lb per cu ft. But a ported enclosure is (usually) a larger box than a sealed, and doesn't benefit by using it.

Find all the info you can on the woofer. if you want to find a good calculator to help you build a new box, we can help with that.

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