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<blockquote data-quote="DidUHearThat?" data-source="post: 6728648" data-attributes="member: 594758">Step away from the crack pipe if you think you can power a 5kw amplifier with a 90 watt alternator [sic].&nbsp; I realize it&#039;s not really 5kw amplifer or 90 watt alt.&nbsp; Obviously he&#039;s a noob who doesn&#039;t understand these terms and your just confusing and distracting him with discussions of reserve power and peak versus current draw.&nbsp; Irrelevent.&nbsp; It&#039;s simple; no, you can&#039;t power that amp with that electrical.&nbsp; Get over it.&nbsp; Are you going to come pick him up when his car is broken down on the side of the road because his electrical system is dead?&nbsp; Do&nbsp; you think a noob is NOT going to pound the shit out of his system till it dies?&nbsp; Of course he will.&nbsp; 2 dead alts, 4 dead batts and 3 tow trucks later maybe you&#039;ll both realize something here isn&#039;t adding up.I don&#039;t know where you got the 120 amp figure, but that&#039;s wrong.&nbsp; 2500 watts is 178 amps @ 14.4v @ 100% efficency.&nbsp; A 90 amp alt does not provide 90 amps of constant current. 50% - 70% at idle, not counting, the vehicles needs,&nbsp; voltage dips due to high current drain or thin stock power wire.&nbsp; Even allowing for average draw, charging time, reserve capacity and magic fairy dust; no, he will kill his electrical with that system and he will never give that amp the power it needs.</blockquote>

[QUOTE="DidUHearThat?, post: 6728648, member: 594758"] Step away from the crack pipe if you think you can power a 5kw amplifier with a 90 watt alternator [sic]. I realize it's not really 5kw amplifer or 90 watt alt. Obviously he's a noob who doesn't understand these terms and your just confusing and distracting him with discussions of reserve power and peak versus current draw. Irrelevent. It's simple; no, you can't power that amp with that electrical. Get over it. Are you going to come pick him up when his car is broken down on the side of the road because his electrical system is dead? Do you think a noob is NOT going to pound the shit out of his system till it dies? Of course he will. 2 dead alts, 4 dead batts and 3 tow trucks later maybe you'll both realize something here isn't adding up. I don't know where you got the 120 amp figure, but that's wrong. 2500 watts is 178 amps @ 14.4v @ 100% efficency. A 90 amp alt does not provide 90 amps of constant current. 50% - 70% at idle, not counting, the vehicles needs, voltage dips due to high current drain or thin stock power wire. Even allowing for average draw, charging time, reserve capacity and magic fairy dust; no, he will kill his electrical with that system and he will never give that amp the power it needs. [/QUOTE]

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