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Old 06-05-2014, 05:44 PM
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Default MGA 4150 whistle

My trusty MGA 4150 has developed a bit of a noise problem recently. There have been no changes or additions to any part of my audio system, all connections are solid and when replaced with another Bazooka amp, the noise goes away. I'd really like to keep the 4150 in my system. Any Advice?
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Old 06-12-2014, 04:12 PM
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Default Re: MGA 4150 whistle

Make sure the RCA inputs are clean. Take the back off check for anything loose or burnt. You can also clean the board with electronic cleaner, just make sure you use the safe for plastics type. If the amp is still playing it probably is something minor.
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