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The despicable whine noise.
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<blockquote data-quote="keep_hope_alive" data-source="post: 8661467" data-attributes="member: 576029"><p>I assume you have an external amplifier connected to the head unit, hence the use of the RCA ground loop filters. </p><p></p><p>Noise can occur when the signal grounding path is broken or duplicated by a chassis grounding path. The duplicate path can occur if the amp is screwed to metal directly ( i mount them to wood to insulate them). Some amps do a better job of rejecting ground loops than others. Sometimes, signal grounds need to be added.</p></blockquote><p></p>
[QUOTE="keep_hope_alive, post: 8661467, member: 576029"] I assume you have an external amplifier connected to the head unit, hence the use of the RCA ground loop filters. Noise can occur when the signal grounding path is broken or duplicated by a chassis grounding path. The duplicate path can occur if the amp is screwed to metal directly ( i mount them to wood to insulate them). Some amps do a better job of rejecting ground loops than others. Sometimes, signal grounds need to be added. [/QUOTE]
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The despicable whine noise.
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