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tunning enclosures

Printed From: the12volt.com
Forum Name: Fiberglass, Fabrication, and Interiors
Forum Discription: Fiberglass Kick Panels, Subwoofer Enclosures, Plexiglas, Fabrics, Materials, Finishes, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=25257
Printed Date: May 19, 2025 at 9:06 AM


Topic: tunning enclosures

Posted By: ulozano
Subject: tunning enclosures
Date Posted: January 25, 2004 at 3:20 PM

what is the best frequency to tune enclosures for spl?

I have 2 juggernaut 15's it calls for 4.5 cubic feet with a 50 square in. x 16 L

this is net space but this is what i dont understand....

3" round port equals 7.07 square inches  -  4" round port equals 12.56  - 

6" round port equals 28.26 square inches....this sounds confusing i have sufficent space just need some help?



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Take your time do it right.



Replies:

Posted By: audiokid1
Date Posted: February 01, 2004 at 6:03 PM

it's just pie r squared since you are dealing with round ports

example for a 3" round port:  1.5x1.5x3.14..... = 7.07square inches





Posted By: ulozano
Date Posted: February 01, 2004 at 10:15 PM
Yeah but im planning on doing a square port so a 50 square inch port is 18.5 x 2.75=50.8 -----x 16 length is this right?

-------------
Take your time do it right.





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