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subwoofer phase

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=112280
Printed Date: May 12, 2025 at 1:44 AM


Topic: subwoofer phase

Posted By: punkdcrew11
Subject: subwoofer phase
Date Posted: March 11, 2009 at 5:18 PM

I have a mtx 9512 woofer in a sealed box. i was wondering if i have the sub upside down (magnet being exposed)do i need to change the phase of the woofer. if so i have a setting on my headunit, would that be the best way?

thanx



Replies:

Posted By: stevdart
Date Posted: March 11, 2009 at 5:33 PM

Best way is to use the reverse switch on the amp.  If no switch exists on your amp, exchange wire polarity at either the amp output or the sub itself.  Leave it at the position where bass is loudest and deepest.

The installation method you are describing is known as inverted.



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Build the box so that it performs well in the worst case scenario and, in return, it will reward you at all times.



Posted By: soundnsecurity
Date Posted: March 11, 2009 at 8:27 PM
you can just flip the wires at the amp, but if you only have one sub then it really shouldn't make that much of a difference.

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