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<blockquote data-quote="na4now" data-source="post: 7443910" data-attributes="member: 635340">My car is a &#039;99 Lexus SC300. The stock alternator is somewhere 80-100amp, ..depending on who you ask. Im about to start installing my audio, ...and Im starting with a 200amp alternator. I&#039;ll be running a Optima red top, because I already have it, and I got a good deal on it. Heres a brief run down of what Im installing:hu: alpine 9886fr: dd sc6.5 comp setrr: dd 6.5 coax&#039;smids/highs amp: dd SS4sub amp: dd M2asub: one 12&quot; dc lvl4 (lvl 5 upgrade)At one ohm, I should be around 1850w rms on the sub? Havent found a definate answer on that, either.Anyway, ...Im planning on ADDING maybe a Kinetic HC800? (Its small, powerful (i think), and not too too heavy.) Would that be powerful enough? I read that a Kinetic power cell like this is better for car audio, because of it&#039;s ability to charge and discharge much faster.Or, ..a friend suggested to just go ahead and stick a yellow top Optima in the trunk. He says that would be more than enough power, for my little system. I take alot of his advice, cause he used to compete in car audio, ...and knows wayyy more than me.I need to go ahead and order, whatever it is Im going to use. What do you guys think? Do I really need to add anything, since I have 200amps of alternator, and have a 800ca battery under the hood? If I should add, ...whats the better choice for this application?</blockquote>

[QUOTE="na4now, post: 7443910, member: 635340"] My car is a '99 Lexus SC300. The stock alternator is somewhere 80-100amp, ..depending on who you ask. Im about to start installing my audio, ...and Im starting with a 200amp alternator. I'll be running a Optima red top, because I already have it, and I got a good deal on it. Heres a brief run down of what Im installing: hu: alpine 9886 fr: dd sc6.5 comp set rr: dd 6.5 coax's mids/highs amp: dd SS4 sub amp: dd M2a sub: one 12" dc lvl4 (lvl 5 upgrade) At one ohm, I should be around 1850w rms on the sub? Havent found a definate answer on that, either. Anyway, ...Im planning on ADDING maybe a Kinetic HC800? (Its small, powerful (i think), and not too too heavy.) Would that be powerful enough? I read that a Kinetic power cell like this is better for car audio, because of it's ability to charge and discharge much faster. Or, ..a friend suggested to just go ahead and stick a yellow top Optima in the trunk. He says that would be more than enough power, for my little system. I take alot of his advice, cause he used to compete in car audio, ...and knows wayyy more than me. I need to go ahead and order, whatever it is Im going to use. What do you guys think? Do I really need to add anything, since I have 200amps of alternator, and have a 800ca battery under the hood? If I should add, ...whats the better choice for this application? [/QUOTE]

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