Audio Project Amplifier Speaker Loudspeaker Kit
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Capacitor placement question. - Click HERE for Original Thread
Wing_of_Souls
I'm pretty new to the whole car audio scene but I'm learning quickly. I just have a quick question. Where would a capacitor be best; between the battery and distribution block, or, between the distribution block and the sub amp. Thank you.
jackinnj
you have R * I^2 losses from the distribution block to the amplifier. any charge that the capacitor holds will be subject to this loss. better to put the caps closest to the amplifier.
Wing_of_Souls
Great, quick follow up question. Is it just the subs that benefit from the cap? Or would a second cap between the distribution block and the amp powering the rear speakers help at all?
Chupa
im kinda new too car audio but i am going to school for eletrical eng....
wouldn’t a cap only be benifital if you were putting to big of a strain on your alternator? IE. When your subs hit your lights dim, so you put a cap in to help give that amp some extra juice when it needs. If this isn’t happening is there any benefit to a cap at all? Like I said, this is from an ee student perspective, not a car audio expert.
tuneman
a suggestion check out this discusion

car audio australia
supra94
quote:
Originally posted by Wing_of_Souls
I'm pretty new to the whole car audio scene but I'm learning quickly. I just have a quick question. Where would a capacitor be best; between the battery and distribution block, or, between the distribution block and the sub amp. Thank you.


that would be the best......my uncle put his there on his ford explorer.
mr.niceguy
you might need bigger alt and wiring if your lights dim

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