Sealed vs Ported

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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=69100
Printed Date: May 03, 2025 at 1:06 AM

Topic: Sealed vs Ported

Posted By: dunicraig
Subject: Sealed vs Ported
Date Posted: December 24, 2005 at 9:50 AM

Very Simple question for you but not for me. What is the difference in sound between a ported box and a sealed box? And also which one is better for making ur head rattle and your clothes shake?

Replies:

Posted By: ss-installer
Date Posted: December 24, 2005 at 11:00 AM

ported hits harder if the enclosure is built right. built wrong and it sounds like arse. build it to the sub specs.

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Posted By: darthness
Date Posted: December 25, 2005 at 1:39 PM

eh, ported doesn't always sound like total shhh... but yeah, ported boxes are the way to go for SPL. sealed boxes are more for SQ system... and you don't need much for your clothes to shake, thats a bad way to put that you want a loud system.

Posted By: pmendoza408
Date Posted: December 26, 2005 at 1:52 AM

my experiance have been that ported gives you distance but not clearity and sealed gives you more clearity but not as loud

Posted By: fr33w0rld
Date Posted: December 27, 2005 at 10:19 PM

if u wanna shake some clothes off get 2 18's port them bring them up to rms....your eyes may fall out...

a ported will shake more then a sealed box...the tuned box has the port...which allows the back wave to "double" up with the front wave...making it louder and shake you a lot more.so your spl sine wave is bigger with the same cone movement...

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HU Alpine CDA-9855 Amp MA Audio 802sx 4,400 RMS 1 ohm Sub 18" MA Audio RMS 5,000 @ 1.5 ohm Ported Box Car 99 civic Si

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