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<blockquote data-quote="maylar" data-source="post: 451280" data-attributes="member: 541144">Caps don&#039;t &quot;hurt&quot; anything. They are simply storage devices.A perfect capacitor would add no additional stress to a charging system at all. Whatever energy the cap delivered during discharge would have to be replenished by the alternator, but it&#039;s no more energy than the alternator would have to deliver by itself if the cap wasn&#039;t there.Of course there&#039;s no such thing as a perfect cap. They have losses, so the recharge energy is always higher than the discharge energy. So it stands to reason that they add additional load to the system.However... really low ESR caps are very efficient. The benifits of having a high current localized source close to the amplifier could justify the little extra load that they create, under certain conditions.It really depends on the music you listen to. If your music has bass notes that last long enough to discharge the cap (down to battery level, as helo pointed out), a cap will get you absolutely no benefit.</blockquote>

[QUOTE="maylar, post: 451280, member: 541144"] Caps don't "hurt" anything. They are simply storage devices. A perfect capacitor would add no additional stress to a charging system at all. Whatever energy the cap delivered during discharge would have to be replenished by the alternator, but it's no more energy than the alternator would have to deliver by itself if the cap wasn't there. Of course there's no such thing as a perfect cap. They have losses, so the recharge energy is always higher than the discharge energy. So it stands to reason that they add additional load to the system. However... really low ESR caps are very efficient. The benifits of having a high current localized source close to the amplifier could justify the little extra load that they create, under certain conditions. It really depends on the music you listen to. If your music has bass notes that last long enough to discharge the cap (down to battery level, as helo pointed out), a cap will get you absolutely no benefit. [/QUOTE]

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