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Old 05-07-2003, 03:53   #1 (permalink)
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Question New amp, power drain surges.

hey,

I just installed a 1000w amp and a 400w amp, running 2 10'' subs and 6x9's.

Whenever it booms, there is a huge power drain in the electrical system. I know this is normal, after all its using a shitload of current.

I just wanted to know if this can cause any harm to any electrical components in my car? Is it worth installing a capacitor and what are they worth?

Nathan.
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Old 05-07-2003, 04:17   #2 (permalink)
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dont bother with caps.
wat power cable are you using? upgrade it if it smaller then 4gwa and maybe invest in a new battrie
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Old 05-07-2003, 04:23   #3 (permalink)
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im using 4 guage wire (i think) is ****n thick shit, the wire is about 10mm in diameter, its definateley the right stuff.

y not bother with caps?
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Old 05-07-2003, 04:29   #4 (permalink)
i want an XR6T
 
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waste of $$$$$ by a good battrie
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Old 05-07-2003, 05:38   #5 (permalink)
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What does the voltage drop down to? Mine used to go from 14.5v down to around 12v. I got a drycell battery and that helps heaps, the voltage still drops slightly but no where near as bad. From memory drops below about 11.5v can be bad for the EEC.
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Old 05-07-2003, 12:44   #6 (permalink)
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What's the output of your alternator, that's the important point.

If it will fit, an EF one (110 amp) would be better.
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Old 05-07-2003, 16:23   #7 (permalink)
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Caps DO make a difference, my system used to drop to bout 11.8v without a cap installed, that's with a Yellow top optima dry cell battery and 0 gauge power cables. Installing a 1.5 farad cap raised the volts to around the 12.5v mark when cranking hard, and it did make quite a noticable difference in terms of SPL.

That said, although they do make a difference, the Money you pay for a cap can be much better spent on upgrading your alternator or a dual battery system, which would yeald much better results.
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Old 05-07-2003, 17:08   #8 (permalink)
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Sort of agree's.

I believe Caps help with Bass bursts. Be sure you have a really good earth to a thick part of the body, at the amps and the battery.
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Old 05-08-2003, 01:09   #9 (permalink)
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whats a dry cell battery worth? are they just wired up in paralell with the existing battery? whats the advantage of a dry cell over a lead acid?
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Old 05-08-2003, 03:29   #10 (permalink)
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Mine cost about $400 and they replace your old battery. Dry cells are generally a lot more powerful (mines around 650cca, the goodz one is abour 700, compared to a normal one which is about 300), they have a much longer life and they have no liquids inside them (so they can be mounted upside down if you want).
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