stereo amplifier grounding point - Saab 900 Bulletin Board - Saabnet.com
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stereo amplifier grounding point
Posted by brownetowne (more from brownetowne) on Mon, 10 Jun 2013 08:45:37
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Hi, Ever since I installed my 4 channel alpine amplifier under the rear seat I've had an annoying rpm related buzzing in my rear speakers. I thought it was caused because I ran the rear channel RCA cables next to the power supply wire to the amp, but I rerouted the wires over the weekend and the sound is still there. Now I'm thinking I may need a better ground for the amplifier. My current grounding point is in the center of the rear seat area on the screw on one side of the metal plate "tunnel" protecting the wiring to the rear of the car. I cleaned up the contacts today but there's still the noise, so maybe this isn't a good ground, or maybe the problem is something else.
posted by 128.36.117...
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