Re: Speaker Independence (ohm) for 99 9-3 - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Speaker Independence (ohm) for 99 9-3
Posted by Wayne [Email] (more from Wayne) on Thu, 12 Feb 2009 16:04:58
In Reply to: Speaker Independence (ohm) for 99 9-3, Jay, Wed, 11 Feb 2009 15:21:19
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Automotive speakers are pretty much standardized at 4 ohm nominal - in other words, it's kind of like an "average" resistance. True resistance will vary by frequency.
Car speaker manufacturers pretty much universally design for a 4 ohm nominal rating to be compatible with the electronic manufacturers - and vice versa.
This is contrasted to the quasi-standard 8 ohm nominal design of home speakers. The difference comes from voltage versus amperage availability between an amp designed for home use on household voltage versus the lower voltage availability but ready amperage availability of an automotive electrical system.
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