tuning ports

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=40303
Printed Date: July 09, 2025 at 7:16 PM

Topic: tuning ports

Posted By: italnpimp59
Subject: tuning ports
Date Posted: October 05, 2004 at 1:08 AM

can someone give me a link to the BEST slot port tuning formulas please? thanks

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Replies:

Posted By: italnpimp59
Date Posted: October 06, 2004 at 12:50 AM

??

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Posted By: DYohn
Date Posted: October 06, 2004 at 8:15 AM

https://www.jlaudio.com/tutorials/ports/index.html

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Posted By: italnpimp59
Date Posted: October 06, 2004 at 2:27 PM

ive used this formula before and it seems to work pretty good. ive built about a dozen slot ported boxes with it and they have all been loud. just wondering if anyone knows any better formulas or any extras that can help. thanks DYohn for the helpo

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Posted By: thapimpfromchi
Date Posted: October 06, 2004 at 8:45 PM

is there a way to calculate the port length by yourself? like, is there some formula that you would use, or are you just better off using a pre-made prog?

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1990 Honda Civic HB:
Clarion DXZ545MP H.U.
2- 6.5" Power Acoustik interiors
Diamond Audio 600.1 amp
Diamond Audio 15" M6MKII
Pyramid PB881X 4 CH. Amp

Posted By: jeffchilcott
Date Posted: October 06, 2004 at 11:34 PM

there is a formula I have it written down somewhere.....but i just go ahead and use a program for it so much easier

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2009 0-1000 Trunk WR 154.0DB 2009 1001+ Trunk WR
2007 USACI World Champion
2007 World Record
2006 USACI Finals 2nd Place

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