Panasonic WM-61A Mic Capsule to be discontinued - Page 3 - diyAudio
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Old 27th September 2013, 10:21 PM   #21
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Yeah, not a lot of people hacking cameras...but I figured posting might get me some responses from someone who knows enough to comment, like you.

I did see there was a separate analog 3 V source in the schematic for the lesser model...but it's probably just slightly isolated by a different resistor and decoupling cap.

It's a vehicle for experimentation, something I can't resist. Next up is the $25 shotgun mic that was cheap enough to bust open. I hear they have pretty rotten freq. and phase response by nature...So I might just use the tube and a single capsule and forget the dual elements.
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Old 11th January 2016, 09:24 PM   #22
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DigiKey has these (not the Panasonic) mic capsules in stock:

CMA-4544PF-W | Electret Condenser Microphone | Microphones | CUI Inc

CMA-4544PF-W
9.7 mm, Omnidirectional, PCB Mount, 3.0 Vdc, Electret Condenser Microphone capsule

Look like they might be a decent substitute, albeit a little wider at 9.7mm vs the Pansonic's 6.0mm
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