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  #1  
Old 12-13-2011, 07:13 PM
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i recently got some zero gauge wire ran in my tahoe, and a yellowtop optima battery up front.. i put in 2 sundown sa 12's in a ported box tuned to 36 hz on a saz 2500.. my voltage drops to around 10 volts when i have it running full tilt when cranked.. would there be a very noticeable difference if i had a stable voltage? Whats the best way to do it? 2 batteries in the back? Thanks for the help!
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Old 12-13-2011, 07:15 PM
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that amps gonna be gone very soon ... get an alt... you have a truck that every major alt company makes and alt for... BUY ONE!
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Old 12-13-2011, 07:28 PM
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I'd add an additional battery first, do the Big 3 and THEN see where your voltage is.

That is very low on what you have. It could be other issues.


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Old 12-13-2011, 07:39 PM
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You might need to recharge your battery under the hood because i know that amp has already sucked some power away from it. Do like said and do the big three add a 2nd battery, then see if you get a better voltage. Or if you can afford an alternator right now, go ahead an get an alternator.
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Old 12-13-2011, 07:40 PM
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Big 3, Alt, and a battery. 2500 watts is enough power to require all 3. And make sure you don't skimp on connectors
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Old 12-13-2011, 07:42 PM
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solid grounds, good wire, and buy a 200 or higher alt!!!
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Old 12-13-2011, 07:52 PM
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thanks guys! What kind of additional battery would be sufficient in the back after big 3 for now?
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Old 12-13-2011, 08:31 PM
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Xs power. They make great batteries.
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Old 12-13-2011, 08:50 PM
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Kinetik, Shuriken, Deka, XS depends on ur budget. XS in general r the best but r expensive, Kinetiks r just below those. Deka's r mosters and can sometimes be bought cheaper because they r intended for car audio so they dont charge a crapload for em
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Old 12-13-2011, 09:41 PM
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was also told that i should upgrade to 2 more 12's or go bigger in subs because of the room i have to work with..? What's something in my power range if i upgraded my alt and batteries and had all the power from the sundown amp? What subs should i go with? I like the sundown sa 12's but want louder.
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