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Post subject: Crackling speaker noise with mounted fiddle mics
Posted: Mon Jan 14, 2013 10:38 am
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Hobbyist
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Joined: Wed Oct 13, 2010 8:09 pm
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I use my Passport 500 with my contra dance band (acoustic instruments). I have had problems on two different occasions with mounted fiddle microphones. Without warning, there is suddenly a mecnanical reverb crackling sound in the speakers. I do have three Fender powered monitors which are fed through the stereo output jack. This crackling is very mysterious and destroys the sound completely. I have had to ask the fiddlers to stop using these microphones and switched them to using my stand mounted mics which do not make this noise. I am wondering if anyone else has had this problem or even better how to fix it. The fiddlers really like to use these mounted mics which normally work very well. Thanks in advance. Charlie


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Post subject: Re: Crackling speaker noise with mounted fiddle mics
Posted: Tue Jan 15, 2013 8:53 pm
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Aspiring Musician
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Joined: Wed Feb 16, 2011 7:24 am
Posts: 434
Most of those clamp-on microphones have 9 volt batteries that last on average 4-8 hours (maybe less than two dances). This surprises people.

As the batteries brown out, it makes a horrible racket as if you were actively chewing on the microphone with the volume cranked all the way up. ALWAYS CARRY SPARE BATTERIES IF YOU USE THESE MICS AND REPLACE THEM WHENEVER YOU HEAR DIGITAL DISTORTION OR OTHERWISE UNEXPLAINED CRACKLING.

Ditto for all wireless microphones. Don't feel cheated because the batteries cost more than you expected. This is simply the cost of using this kind of equipment. There is no Plan B.


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