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400 volt car audio system, your thoughts ?
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<blockquote data-quote="metalheadjoe" data-source="post: 8747361" data-attributes="member: 581422"><p>This is quite an about-face from your last thread! I like that you are thinking outside the box. This forum quickly gets old when all I see is "which sub/amp should I buy?" threads.</p><p></p><p>I don't know anything about electric vehicles, so I'll assume you are correct that they have a 400v battery. In that application, I could see this working, because it already has the means to step-down voltage to the 12v that many components require. Again, I know nothing about electric vehicles, so for all I know their electronics take 400v supply power, but I doubt it due to the dangers of running 400v everywhere.</p><p></p><p>It would be difficult to integrate with a typical 12v system because that is a lot of power to transform. Your options for voltage reduction are limited with dc circuits, and the "norm" for higher power circuits is to invert it, step down via transformer, then convert it. I know there are other options like zener diodes and voltage dividers, but those aren't realistic for high-power circuits. At the same time, you'd have to do the opposite to the alternator output power to charge your 400v battery.</p><p></p><p>As they say, anything is possible with enough time, money, and motivation. I certainly agree with you that if this caught on there would be countless deaths and endless liability, especially in today's world where gun manufacturers are somehow responsible for murderers and drug dealers get charged when someone overdoses. I don't know if there are currently any required certifications to work on automotive electrical systems, but I bet if 400v systems became popular, the NEC and the electrical board would be all over it.</p><p></p><p> - Joe</p></blockquote><p></p>
[QUOTE="metalheadjoe, post: 8747361, member: 581422"] This is quite an about-face from your last thread! I like that you are thinking outside the box. This forum quickly gets old when all I see is "which sub/amp should I buy?" threads. I don't know anything about electric vehicles, so I'll assume you are correct that they have a 400v battery. In that application, I could see this working, because it already has the means to step-down voltage to the 12v that many components require. Again, I know nothing about electric vehicles, so for all I know their electronics take 400v supply power, but I doubt it due to the dangers of running 400v everywhere. It would be difficult to integrate with a typical 12v system because that is a lot of power to transform. Your options for voltage reduction are limited with dc circuits, and the "norm" for higher power circuits is to invert it, step down via transformer, then convert it. I know there are other options like zener diodes and voltage dividers, but those aren't realistic for high-power circuits. At the same time, you'd have to do the opposite to the alternator output power to charge your 400v battery. As they say, anything is possible with enough time, money, and motivation. I certainly agree with you that if this caught on there would be countless deaths and endless liability, especially in today's world where gun manufacturers are somehow responsible for murderers and drug dealers get charged when someone overdoses. I don't know if there are currently any required certifications to work on automotive electrical systems, but I bet if 400v systems became popular, the NEC and the electrical board would be all over it. - Joe [/QUOTE]
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400 volt car audio system, your thoughts ?
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