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Message: <blockquote data-quote="phantom240" data-source="post: 3210664" data-attributes="member: 562504"><p>I have an Alpine MRV-1507 powering my 10" CVX. I'm getting the worst dimming out of any car I've used this amp in. The battery at idle, with the headlights on and the amp at normal listening volumes reads 13.8v. At idle with the lights on and the amp low, it reads 13.9v. I'm running Knu Kolossus 4awg for amp power, and I added a chassis ground to my battery, in addition to the factory ground on the engine block. I had another 240sx like the one I'm driving now, and it didn't dim half as bad. Any ideas where to start, other than spending $300 on a HO alt?</p></blockquote><p></p>

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