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<blockquote data-quote="n2audio" data-source="post: 8304933" data-attributes="member: 540940">I think it&#039;s a ridiculous oversimplification when people try to put hard and fast numbers on a situation like this.First of all, I have NEVER heard of a car running at 16-18v unless it&#039;s a dual alt system -- one dedicated to high voltage amps.There are SOOOO many variables in play here that it&#039;s impossible to predict how it&#039;s going to work out.I don&#039;t know much about these amps, but from what I&#039;ve read they&#039;re ~1500w rms at full tilt.The question is -- do you sit around blasting test tones 24/7 or do you typically listen at a bearable volume and blast it out for show-off sessions once in a while??If that&#039;s the case - the batteries should carry the addl. load for a few minutes with no problem.Even with 6kw of power on tap your 320A alt will have plenty of output at low-moderate volume.If you have 6kw of potential amp power playing MUSIC -- you&#039;re looking at ROUGHLY 200A of current draw on AVERAGE at FULL volume.&nbsp; Bursts to 600-650A would be picked up by the batteries.Do the alt upgrade and see what you get.If there are issues - deal with them.If you have semi-reasonable listening habits I would think it will run fine.</blockquote>

[QUOTE="n2audio, post: 8304933, member: 540940"] I think it's a ridiculous oversimplification when people try to put hard and fast numbers on a situation like this. First of all, I have NEVER heard of a car running at 16-18v unless it's a dual alt system -- one dedicated to high voltage amps. There are SOOOO many variables in play here that it's impossible to predict how it's going to work out. I don't know much about these amps, but from what I've read they're ~1500w rms at full tilt. The question is -- do you sit around blasting test tones 24/7 or do you typically listen at a bearable volume and blast it out for show-off sessions once in a while?? If that's the case - the batteries should carry the addl. load for a few minutes with no problem. Even with 6kw of power on tap your 320A alt will have plenty of output at low-moderate volume. If you have 6kw of potential amp power playing MUSIC -- you're looking at ROUGHLY 200A of current draw on AVERAGE at FULL volume. Bursts to 600-650A would be picked up by the batteries. Do the alt upgrade and see what you get. If there are issues - deal with them. If you have semi-reasonable listening habits I would think it will run fine. [/QUOTE]

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