2nd Battery or Capacitor? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-31-2003, 02:36 PM   #1
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Default 2nd Battery or Capacitor?

Hello all

I'm thinking about either adding a 2nd battery or a capacitor to my sound system.
I run 2 amps, 600w and 450w. I have 3 10" subs.

I realize the capacitor would probably be cheaper, but not by much.

I'm just trying to reduce the "dimming" that occurs when the bass really hits. Although it'* not as bad as when I use my ABS (man that sucks the power.. hehe).

I was just wondering if anyone had any pros/cons to list about either solution?

Thanks
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Old 05-31-2003, 02:40 PM   #2
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I don't know about adding another battery, but I put in a 1 farad cap by Rockford Fosgate and it did wonders for headlight dimming.
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Old 05-31-2003, 02:45 PM   #3
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Yeah I would go with a cap I know about the dimming I was running 2 Kicker 10'* and also 2 Kicker 12'* and I couldnt see anything at night. then I bought a lightning audio digital cap and my probs went away.. Remember dont touch the post of the cap together with a screw driver it can and will blow up . My friend had a Cav with a cap in his tronk and he didnt secure it and it rolled over to his fender and like welded itself to it and self destructed his rear end. Be Safe
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Old 05-31-2003, 03:07 PM   #4
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Ouch I'm looking for a cap and I'll have to keep that in mind. Any brands you guys recommend? A decent one but the lowest price I can find.
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Old 05-31-2003, 03:11 PM   #5
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Lightning audio is cheap and works really good.
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Old 05-31-2003, 03:18 PM   #6
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Thanks for all your info guys..... I think I'm going to get a 1F Lightning Audio cap installed instead of the 2nd batt.

Thanks again
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Old 05-31-2003, 03:20 PM   #7
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YAY
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Old 06-02-2003, 12:01 AM   #8
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How do you know if you need a 1/2 farad or a 1farad cap? right now i have (uninstalled) a 600.1 kicker amp and a single 12" jl audio sub. but i plan on selling this amp and sub then investing in TWO 1200.1 kicker amp'* and TWO kicker L715'* (kickers solobaric series 15" subs) what would i need? 1/2 or 1?? Or.....1 for each amp? i just dont know...
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Old 06-02-2003, 12:07 AM   #9
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hey i got a 1 fared digital cap from walmart for 70 bucks...and it works like a charm...before my lights would dim when teh bass hit...now they stay on and strong....try walmart
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Old 06-02-2003, 12:22 AM   #10
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If I were you LowLyfe83 I would go with a 1 F Cap and if that didnt do the trick I would go with 2.. but it should do the trick if you have a good Alternator
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