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subsonic filter

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=40850
Printed Date: July 07, 2025 at 5:08 PM


Topic: subsonic filter

Posted By: audiobass10
Subject: subsonic filter
Date Posted: October 13, 2004 at 11:39 PM

Is a subsonic filter needed for a ported box?



-------------
Dave

Pioneer Premier DEH-P660
15" Kicker CVR
Profile AP1000M
It's Loud



Replies:

Posted By: stingercaraudio
Date Posted: October 14, 2004 at 2:00 AM
if you ever needed a subsonic filter it would be for a ported box. When you build a ported box it's tuned to a certain frequency. That tuned freq. is the freq. you should set the SSF at. Playing your subs below that will make them unload(playin free air).




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