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Car Audio Help
Wiring, Electrical & Installation
Battery, Alternator, and amplifier wiring
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<blockquote data-quote="ssande" data-source="post: 8134104" data-attributes="member: 655103"><p>Sorry, I tried to keep the details simplistic as this is not a simple project and there are many trade-offs, design considerations, and limitations. The vehicle is a motorized bar that seats 8 people. Driven hydrostatically and the engine runs most of the time as a generator to power the sound system and lights at night. There are reasons for the two separate electrical systems because of the systems they power.</p><p></p><p>The amplifiers are Crunch V-Drive which are not RMS rated. For a more real world view the 4,000 watt amplifier has two 40 amp fuses and the two 3,000 watt amplifiers each have two 70 amp fuses. I am underdriving the 3,000 watt amplifiers a bit by only using a 4 ohm load. I agree though - right at the limit and perhaps somewhat past it . Having two electrical systems also allows me to turn off 1/2 the sound system and let that battery recover via the alternator.</p><p></p><p>So this takes me back to my original question. Should I run the alternator charge lines all the way to the batteries, or junction them halfway between where the amplifier runs are? See below for a better illustration of what I am aksing.</p><p></p><p>[ATTACH]26543742[/ATTACH][ATTACH]26543743[/ATTACH]</p></blockquote><p></p>
[QUOTE="ssande, post: 8134104, member: 655103"] Sorry, I tried to keep the details simplistic as this is not a simple project and there are many trade-offs, design considerations, and limitations. The vehicle is a motorized bar that seats 8 people. Driven hydrostatically and the engine runs most of the time as a generator to power the sound system and lights at night. There are reasons for the two separate electrical systems because of the systems they power. The amplifiers are Crunch V-Drive which are not RMS rated. For a more real world view the 4,000 watt amplifier has two 40 amp fuses and the two 3,000 watt amplifiers each have two 70 amp fuses. I am underdriving the 3,000 watt amplifiers a bit by only using a 4 ohm load. I agree though - right at the limit and perhaps somewhat past it . Having two electrical systems also allows me to turn off 1/2 the sound system and let that battery recover via the alternator. So this takes me back to my original question. Should I run the alternator charge lines all the way to the batteries, or junction them halfway between where the amplifier runs are? See below for a better illustration of what I am aksing. [ATTACH=CONFIG]26543742[/ATTACH][ATTACH=CONFIG]26543743[/ATTACH] [/QUOTE]
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Battery, Alternator, and amplifier wiring
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