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Old 07-21-2003, 19:28   #1 (permalink)
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confused noise in system

me and my mate reinstalled his headunit and 2 10inch subs threw an amp lastnite and all was good until we started the car and wen the revs got higher theres a whirling in the subs and got higher as the revs did.

anyone no where this interference is comin from?
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Old 07-22-2003, 03:54   #2 (permalink)
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Re: noise in system

are the amp power wires and the speaker wire/cables running down different sides of the car?
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Old 07-22-2003, 04:05   #3 (permalink)
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Re: noise in system

I added a noise surpressor, and it fixed it right away.. I had the same problem, even after running the RCA and power leads down opposite sides of the car..

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Old 07-22-2003, 17:20   #4 (permalink)
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Do what EvilEA suggested, usually solves the problem in most cases. The sound your hearing is alternator noise. Sometimes the type of RCA's aren't properly shielded and can pickup this noise especially when run beside the power cable. Also, cheaper amps tend to pick up the noise more than higher end amps. If you cannot pinpoint the problem, the easiest way is to use a surpressor like yagz did....
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Old 07-22-2003, 17:33   #5 (permalink)
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Don't waste anymore money mate all you will need to do is find a better place to earth out either 1: your head unit or 2: your amp, the noise is alternater noise but nine times out ten it's just related to your groud wire at either end. Check them out and shift them then take the car for drive and the noise should be gone if not then go buy a supressor. With car audio fault finding you should allways start at ground or constant power wire's.

Hope this help's.

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Old 07-22-2003, 19:58   #6 (permalink)
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Re: noise in system

yeh power wires and rca's are already on different sides
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Old 07-24-2003, 00:46   #7 (permalink)
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Re: noise in system

check your grounds. Make sure the wired are in direct contact with the chassis, and not paint etc.
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Old 07-24-2003, 05:17   #8 (permalink)
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Re: noise in system

Does it matter that much if you run the RCA leads and the power cable down the same side??
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Old 07-24-2003, 05:26   #9 (permalink)
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Re: noise in system

yep it does
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Old 07-24-2003, 07:40   #10 (permalink)
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Re: noise in system

run the rca's down middle of car, and power down side.
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