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Car Audio Discussion
General Car Audio
is there a general guide line of how big an alternator needs to support howmanywatts
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<blockquote data-quote="hispls" data-source="post: 8309706" data-attributes="member: 614752"><p>Depends on how the belt + pulley is set up. Some cars just will always give you trouble with belt slipping if you try to get too strong of an alternator on them. Simply asking someone who builds alternators for a living should be sufficient. The popular shops should give you an honest answer of what you can use without running into problems.</p><p></p><p></p><p>Short of actually measuring current over a period of time you are completely guessing at current draw. Amp "efficiency" is a complete ******** stat when it comes to real world performance, and Normal "music", over time, is about 15% of the power of full-power sine wave.</p><p></p><p>So given that without just wild guess work we don't know what someone needs, would they be better off trying to buy the smallest alternator they think they might be able to get away with or the largest one they're comfortable buying?</p><p></p><p>I'll stand by my advice.</p></blockquote><p></p>
[QUOTE="hispls, post: 8309706, member: 614752"] Depends on how the belt + pulley is set up. Some cars just will always give you trouble with belt slipping if you try to get too strong of an alternator on them. Simply asking someone who builds alternators for a living should be sufficient. The popular shops should give you an honest answer of what you can use without running into problems. Short of actually measuring current over a period of time you are completely guessing at current draw. Amp "efficiency" is a complete ******** stat when it comes to real world performance, and Normal "music", over time, is about 15% of the power of full-power sine wave. So given that without just wild guess work we don't know what someone needs, would they be better off trying to buy the smallest alternator they think they might be able to get away with or the largest one they're comfortable buying? I'll stand by my advice. [/QUOTE]
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is there a general guide line of how big an alternator needs to support howmanywatts
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