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I have a Crown Power Base 1 AMP, with a buzz. It

I have a Crown Power Base 1 AMP, with a buzz. It is really loud with just the mixer hocked up and no music being put thru. I checked the mixer, and all cables, all are good. Any Idea?

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Buzz through speakers usually means it is picking up humm from a power source. Check your mixer and amp input (gain) levels. If one is turned up really high you will get buzz. If that doesn't work check where it is plugged in. Is it sharing power with another electronic piece of equipment? You can also buy a power conditioner (I believe it is called). It will put out "clean" power (power without Hz humm). They can be expensive though. Less exspensive mixers will put out humm. Lower that gain as low as possible and raise the amp gain. Or vice verse

Posted on Jun 23, 2009

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