amperage draw ?

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=30093
Printed Date: July 15, 2025 at 4:46 PM

Topic: amperage draw ?

Posted By: soundquality
Subject: amperage draw ?
Date Posted: April 10, 2004 at 12:40 AM

How do I determine how many amps my system is drawings

thanks guys

Replies:

Posted By: Clean Install
Date Posted: April 10, 2004 at 12:43 AM

are you refering to your amps?

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If we learn from each success and
each failure, then we can improve ourselves

Posted By: soundquality
Date Posted: April 10, 2004 at 12:46 AM

Yes, sorry

Posted By: Clean Install
Date Posted: April 10, 2004 at 12:49 AM

all you must do is take the rms of your amps and divide by your vehicles Idle voltage....

say your amp is 500watts rms and your idle voltage is 12.6

you would be pulling 40amps

hope that helps

-------------
If we learn from each success and
each failure, then we can improve ourselves

Posted By: soundquality
Date Posted: April 10, 2004 at 12:50 AM

thanks clean install I could not remember the forumla

Posted By: Clean Install
Date Posted: April 10, 2004 at 12:51 AM

no problem glad to help posted_image

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If we learn from each success and
each failure, then we can improve ourselves

Posted By: customsuburb
Date Posted: April 10, 2004 at 10:42 AM

Try this chart for quick reference also.

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