slicker_than_ur_average
Member
Registered: 7th Apr 04
User status: Offline
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i was drivin my car today and the music was on, as the revs were goin higher i cud hear a very high whistling sound increasing as the revs were increasing.
i didnt know wot it was at first, so i was jus fidgeting about and removed the face off my alpine stereo and the whistling sound stopped. i put the face back on and as the revs increased again the whistling sound could be heard again
the noise is coming from the rear shelf area of the car near the 6x9s, i checked to see that the boot mite have not been shut properly and it may have been the wind but that was ok but the noise still keeps happenin when my music is playin. this didnt used to happen before but its been doing it today for some reason.
anyone got any ideas to what this noise could be??? 
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BeArDy
Member
Registered: 7th Aug 00
Location: Manchester
User status: Offline
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feed back mate
normal get it when u run power cables next to RCA cables or specker cables
hence when wiring amps in you run Powercables down one side of car and RCA to the amp down the other.
have u any Amps?
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slicker_than_ur_average
Member
Registered: 7th Apr 04
User status: Offline
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ive got 2 amps. one running my sub and the other runnin my 6x9s, its baffled me coz i only noticed the sound today
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BeArDy
Member
Registered: 7th Aug 00
Location: Manchester
User status: Offline
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well there your reason mate
u can get a blocker for about £15 with plugs into the RCA's and stops it
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James R
Member
Registered: 4th Feb 03
Location: 205GTi16/306GTi16
User status: Offline
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Also caused by dirty earths aswell, may just find cleaning it up and put it back on helps it.
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slicker_than_ur_average
Member
Registered: 7th Apr 04
User status: Offline
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cheers lads  at least thats been cleared up now
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slicker_than_ur_average
Member
Registered: 7th Apr 04
User status: Offline
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is it harmful in anyway, like can it cause long term damage anyhow
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IntaCepta
Member
Registered: 25th Mar 02
Location: Mill Hill East, Greater London
User status: Offline
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i had this for a while, thought it sounded kinda cool lol.
just cleaned&tightened my earth connections that sorted it
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