bl of a sub

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=127864
Printed Date: May 12, 2025 at 8:43 PM

Topic: bl of a sub

Posted By: dukesrebelyell
Subject: bl of a sub
Date Posted: July 09, 2011 at 11:09 AM

i was checking out the massive audio dmx 12 specs and i noticed that there are 4 different wiring configurations because its a quad 1ohm. they are quad 1, serie/parallel 1, dual 2, and series 4. my question is this, all but the quad 1 have a bl of around 12.00. but when you wire it in the quad 1 configuration the bl jumps up to 24.00 why is that?

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35 Hertz custom car audio and automotive fabrication

Replies:

Posted By: DYohn
Date Posted: July 09, 2011 at 1:34 PM

That could occur if the voice coils are designed such that different wiring makes it electrically longer. A longer voice coil in the same magnetic field with create higher BL.

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