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Message: <blockquote data-quote="helotaxi" data-source="post: 2009287" data-attributes="member: 550915">The amp still has to process the transient and the power supply has to provide the power to the output stage.  Some amps are better at this than others.  Having large filter caps in the power will have a bigger effect on transient response than a stiffening cap.  Only if you have an amp with a good design and construction will a cap make a difference other than to give the amp a relatively steady supply of current while the alt gets itself together.Don't know how loud your system is, but all the really loud systems that I know of forego the cap in favor of batteries for comps and a big alt and batteries for daily driving.  A quality low ESR battery will actually do the same thing as a cap and has a much higher reserve capacity.</blockquote>

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