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Testing an electret microphone?



 
 
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Old May 9th 14, 05:25 PM posted to rec.aviation.soaring
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Default Testing an electret microphone?

On Wednesday, May 7, 2014 2:14:05 PM UTC-4, JS wrote:
Another possibility, now you mention rust:

Condenser microphones are not happy with moisture.

Jim


Right I think this may be the issue... the glider was tied out for awhile before a hangar became available. I think the constant Florida heat and humidity killed the mic.

However, I did finally get it opened and the wiring looks intact. I can't get to the actual mic element, it's buried too deeply in the microphone head. However, I did find this great video about testing an electret mic. It's actually pretty easy.

https://www.youtube.com/watch?v=LycH4cXgx7Q

 




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