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amps in protection

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=107665
Printed Date: October 31, 2024 at 8:02 PM


Topic: amps in protection

Posted By: bradleyjo8
Subject: amps in protection
Date Posted: September 24, 2008 at 11:33 AM

What I got... 2 ma audio hk 1398 amps 2- 10" mtx 9500 4 ohm dvc subs wired at 2 ohms.  0 ga ran to back to distr block 4 ga to amps which are bridged to a 2 ohm mono load, Alpine deck and changer.   My problem is when I turn up the volume the amps will go into protection for a few seconds then will resume, my thought is that the voltage is droping too low causing this.  voltage goes from 13 volts to 10 volts.  My guess is I will need to add a battery?  Does anyone know at what voltage the amp is set at to go into protection.  All is in a fully loaded '06 trailblazer ext.  I am new but have been looking a long time.  I will put pics of my set up soon.  Any help will be awesome.



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Ahh sweet BASS



Replies:

Posted By: DYohn
Date Posted: September 24, 2008 at 12:02 PM
Yes, sounds like your system voltage is dropping too low.  Is the engine running when the amps do this?  You almost certainly need a high-output alternator for that large a system, not additional batteries.  Also, make sure your amplifier gain is set correctly (read and follow the "How to set your gains" sticky post.)

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Posted By: bradleyjo8
Date Posted: September 24, 2008 at 12:41 PM

Oh boy $$$.  I couldn't find any on ebay for my year blazer.  What size (and where) should I get?  My amps combine for a total 320 amps,  I also have the dvd, heated seats and all.  I planned on doing the big 3 upgrade soon would this help much untill I can swing for a new alt. Thanks



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Ahh sweet BASS





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