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Stumped by comp noise/hiss
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<blockquote data-quote="amedeuce" data-source="post: 3473564" data-attributes="member: 551590"><p>Ok, I've searched and searched and tried everything I could think of....</p><p></p><p>I have this hiss noise from comps with engine off and on. No alt whine.</p><p></p><p>I have disconnected power from battery and rca's from the sub amp and head unit(tantrum) just to rule it out. - same noise.</p><p></p><p>JBL px300.4 turned gains to zero, disconnected rca's from head unit and amp - same noise.</p><p></p><p>Alpine 9833 head unit grounded to battery - same noise.</p><p></p><p>Tried different head unit alpine 7892 - same noise.</p><p></p><p>RCA's are routed on different side of vehicle but do come in close vicintiy at amps of course.</p></blockquote><p></p>
[QUOTE="amedeuce, post: 3473564, member: 551590"] Ok, I've searched and searched and tried everything I could think of.... I have this hiss noise from comps with engine off and on. No alt whine. I have disconnected power from battery and rca's from the sub amp and head unit(tantrum) just to rule it out. - same noise. JBL px300.4 turned gains to zero, disconnected rca's from head unit and amp - same noise. Alpine 9833 head unit grounded to battery - same noise. Tried different head unit alpine 7892 - same noise. RCA's are routed on different side of vehicle but do come in close vicintiy at amps of course. [/QUOTE]
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Stumped by comp noise/hiss
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