Kenwood wurring sound from accelorator
By Jimmy NY - usenet poster
I have just had installed a Kenwood KRS9080R headunit, KAC848 amplifier,
PSR50P 160w speakers and PSR500 160w speakers, front and rear. The only
problem is that a wurring sound is heard (at low volumes or when the music
fades or cuts) from the accelorator pedal. Its like someone's cutting the
lawn next to my car with a flymo!
Any suggestions...
Hentgeezer
Best Solution
posted on May 27, 2006
Pasty - usenet poster
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why would screwing a speaker to metalwork cause a wurring sound?
...
...
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Solution #2
posted on May 27, 2006
Rachel007 - usenet poster
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The amplifier is screwed to mdf which in turn is screwed to the cars
bodywork in the boot - would this be a problem. There's no direct
connection with the amp though. I'll check the speakers as I'm not sure if
they are accidently connected to the bodywork. As for earth's - I didn't
install it but will ask the person who did !
Thanx for help...
Hentgeezer
...
bodywork in the boot - would this be a problem. There's no direct
connection with the amp though. I'll check the speakers as I'm not sure if
they are accidently connected to the bodywork. As for earth's - I didn't
install it but will ask the person who did !
Thanx for help...
Hentgeezer
...
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Solution #3
posted on May 27, 2006
lawyer - usenet poster
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Also don't forget that the electrical noise might be leaking into the RCA
leads. If you're using cheap leads, try using better quality triple shielded
items.
AJ
...
leads. If you're using cheap leads, try using better quality triple shielded
items.
AJ
...
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Solution #4
posted on May 27, 2006
Chandler - usenet poster
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A year or two ago I cured alternator whine by grounding the casing of the
head unit to the car body in addition to the normal -power lead. May be
worth a go.
James
...
head unit to the car body in addition to the normal -power lead. May be
worth a go.
James
...
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Solution #5
posted on May 27, 2006
Cornish - usenet poster
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Sounds like alternator whine - although I've never heard it described as a
'lawnmower' sound!
Check all your earths - try and get them all going to the same place and
also check silly things like you haven't screwed speakers directly into the
cars' metalwork...
--
Gary H
Gary Handa MIPS
Email:
ICQ: 16099824
...
'lawnmower' sound!
Check all your earths - try and get them all going to the same place and
also check silly things like you haven't screwed speakers directly into the
cars' metalwork...
--
Gary H
Gary Handa MIPS
Email:
ICQ: 16099824
...
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