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<blockquote data-quote="Bumpin&#039; Goalie" data-source="post: 7433509" data-attributes="member: 616941"><p>It varies based on the specific situation, parts being used.</p><p></p><p>However, a rule of thumb seems to be 20-50amps for car's normal usage, then 10 amps per 100 watts of power (or go by amp's internal fuse rating). So...for example, if you had an AQ1200d in a normal vehicle, it'd be ideal to have 120 for the amp + the normal for your car. But also realize in a normal driving/daily surrounding, the amplifier won't be pulling 120 amps as though you were competing/SPL testing.</p><p></p><p>Notice the word "ideal". Doesn't mean it's always a must. And once you start getting into a bit larger systems, such as 3-5k+, dual alternators enter the scene.</p><p></p><p>My best advice would be to know how the amperage you actually pull, and make sure it's available.</p><p></p><p>Best wishes.</p></blockquote><p></p>
[QUOTE="Bumpin' Goalie, post: 7433509, member: 616941"] It varies based on the specific situation, parts being used. However, a rule of thumb seems to be 20-50amps for car's normal usage, then 10 amps per 100 watts of power (or go by amp's internal fuse rating). So...for example, if you had an AQ1200d in a normal vehicle, it'd be ideal to have 120 for the amp + the normal for your car. But also realize in a normal driving/daily surrounding, the amplifier won't be pulling 120 amps as though you were competing/SPL testing. Notice the word "ideal". Doesn't mean it's always a must. And once you start getting into a bit larger systems, such as 3-5k+, dual alternators enter the scene. My best advice would be to know how the amperage you actually pull, and make sure it's available. Best wishes. [/QUOTE]
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