Alternatage Questions!!!

 

Bronze Member
Username: Crazyfool289

Post Number: 22
Registered: Apr-05
How many amp HO alternator should I look for if I have one Kicker 15" L7 (powered by a KX850.2), and 4 Infinity Kappas (amp undecided, but they run at 100w continuous so 4 of them=400 give or take a few)? And one more thing, once i get the alternator, do i need to get a better battery or anything to go with it or will i be set? Thanks.
~Davey~
 

Gold Member
Username: Taylor17

Kopperl, Texas

Post Number: 1520
Registered: Jan-05
I'm just guessing that you will go with a 400 watt amp to power the speaker's. So, At least a 150A alt should Do. Maybe a little bigger now that I think about it. Maybe a 180A.
 

Bronze Member
Username: Crazyfool289

Post Number: 23
Registered: Apr-05
alrighty thanx i'll go 180A. Is there an equation or a way 2 figure out for sure how many amps u need?
 

Bronze Member
Username: Msully701

Stratford, Connecticut US

Post Number: 64
Registered: Apr-05
yeah its in a old post, its something like watts divided by 15?=amps needed on alt
 

Bronze Member
Username: Crazyfool289

Post Number: 26
Registered: Apr-05
ic... i will have 2 look into this. thanx though
 

Bronze Member
Username: Erushnak

Post Number: 24
Registered: Oct-04
Think its something like total rms/12.6+your stock stuff.
 

Bronze Member
Username: Crazyfool289

Post Number: 30
Registered: Apr-05
that sounds about right... but how do i know how many watts my stock stuff is?
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