final ohm load of these configs

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Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=115025
Printed Date: May 15, 2025 at 9:42 AM

Topic: final ohm load of these configs

Posted By: upzaw2000
Subject: final ohm load of these configs
Date Posted: July 12, 2009 at 6:10 PM

8 subwoofers - Dual 4 vc series/parallel

8 subwoofers - Dual 2 vc series/parallel

i think dual 4 is a fianl load of 1 ohm and dual 2 is .5 but someone said something recently that had me second guessing myself.

Replies:

Posted By: DYohn
Date Posted: July 12, 2009 at 6:50 PM

upzaw2000 wrote:

8 subwoofers - Dual 4 vc series/parallel
8 subwoofers - Dual 2 vc series/parallel
i think dual 4 is a fianl load of 1 ohm and dual 2 is .5.

That's correct.

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Posted By: i am an idiot
Date Posted: July 12, 2009 at 6:53 PM

8 Dual 4s wired in series to achieve an 8 ohm load per woofer. Then those paralleled will yield a 1 Ohm final load.

8 Dual 4s wired in parallel to achieve a 2 ohm load per woofer. Then those paralleled will yield a (.)25 ohm load.

8 Dual 2s wired in series to achieve a 4 ohm load per woofer. Then those paralleled will yield a (.)5 ohm load.

8 Dual 2s wired in parallel to achieve a 1 ohm load per woofer. Then those paralleled at the amp will yield a fire.

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