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Engine whine - Desperately need help
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<blockquote data-quote="EmpiricalApe" data-source="post: 8851241" data-attributes="member: 688568"><p>I've posted about this topic a couple times already, but I have yet to find a solution. I installed an after market amplifier to power my mids and highs. I already have a sub amp that isn't having the same issues. My stereo is a JVC KW-M780BT. The amplifier powering the whine is a Infinity REF-3004A. I get slight buzz in my speakers with the engine off, and a complete whine that goes with rpms when the engine is on. I have tried running different RCAs in different locations, running power wire in different locations, I've tried different speakers, I've tried different ground points, I've tried grounding the stereo at the same point as the amplifier. I'm running crutchfield 8 gauge ofc power and grounds, and stinger 14 gauge ofc speaker wire, and crutchfield higher end 4 CH RCAs. I've started an exchange with crutchfield for the stereo, and tried the same model but different unit. I've put an inline noise filter on the stereo power wire, and I have a PAC SN1 2-CH Ground loop isolator for all 4 RCAs. I have all speakers but front right put in because I just haven't gotten to it if that may cause something somehow. I've connected my phone to the amp, still ran off of the cars power, and it was perfect audio...no buzz, no whine, no static. I greatly appreciate any help. I am at my wits end. Thank you.</p></blockquote><p></p>
[QUOTE="EmpiricalApe, post: 8851241, member: 688568"] I've posted about this topic a couple times already, but I have yet to find a solution. I installed an after market amplifier to power my mids and highs. I already have a sub amp that isn't having the same issues. My stereo is a JVC KW-M780BT. The amplifier powering the whine is a Infinity REF-3004A. I get slight buzz in my speakers with the engine off, and a complete whine that goes with rpms when the engine is on. I have tried running different RCAs in different locations, running power wire in different locations, I've tried different speakers, I've tried different ground points, I've tried grounding the stereo at the same point as the amplifier. I'm running crutchfield 8 gauge ofc power and grounds, and stinger 14 gauge ofc speaker wire, and crutchfield higher end 4 CH RCAs. I've started an exchange with crutchfield for the stereo, and tried the same model but different unit. I've put an inline noise filter on the stereo power wire, and I have a PAC SN1 2-CH Ground loop isolator for all 4 RCAs. I have all speakers but front right put in because I just haven't gotten to it if that may cause something somehow. I've connected my phone to the amp, still ran off of the cars power, and it was perfect audio...no buzz, no whine, no static. I greatly appreciate any help. I am at my wits end. Thank you. [/QUOTE]
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Engine whine - Desperately need help
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