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Audio problem

Old Jul 3, 2009 | 11:03 PM
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Default Audio problem

I replace the Bose system on my 90 vette put a new head unit in and wired speakers directly bypassing amps it works good for a hour or so then I get a squeal in the rear can still hear audio but the squeal get louder with volume increase. Shut radio off for a while and then it's ok any ideas? The Bose used to do this too but it's all out now I don't know what the hell it is.
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Old Jul 3, 2009 | 11:50 PM
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Yellow96coupe
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does the noise get louder when you accelerator like a high pitch whine? if so you might need an inline audio filter. the whine is cause by the alternator. hope this helps.
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Old Jul 4, 2009 | 10:09 AM
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No i have a noise filter in and it does not get louder with accel only gets louder when i put up volume.
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Old Jul 4, 2009 | 10:20 AM
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did you bypass the radio rec box behind the glove box?
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