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Yamaha MM 110 microphone

Capt Odyssea

In Yamalibrium
The above Mic came with my Eq, has the spectrum analyzer,
anyway, it has the battery which I neglected to take out.
So am I correct in the assumption that the single AA battery is inline with the actual mic element?
A wire goes from mic element to the battery +, and a single wire runs past to the - end but I believe was connected to the center wire of the plug, leaving the braid to go to the battery -. Correct?
I was gonna try using it as a general announcement mic on a small mixer w mic input,
but my foggy memory reminds me that there are ceramic mics vs dynamic, which IIRC equates to powered and unpowered.
Give me a refresher course. This mic may be unsuitable for voice over P.A. but i'll fix it anyway,
perhaps recommend a decent mic for occasional announcements over a P.A. via a Numark M2 mixer.
 
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Try it and listen. Hardly anybody makes ceramic mics anymore. Most are dynamic or electret. The Shure mics referenced have a nice sound for what you want and don't cost an arm and a leg. They also take a lot of abuse.
 
...still wanting a schematic for the yamaha MM110, googled it but can't find it,
This is the standard type of connection for electret microphones.
Bias-power-to-an-electret-microphone.png

http://www.learningaboutelectronics.com/Articles/Electret-microphones

There are lots of possible variations and refinements (such as phantom powering and balanced outputs) but the circuit above is pretty standard and often seen. Your mic is probably very similar.
 
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