Testing a Condenser Element

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Drone
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Testing a Condenser Element

Post by Drone » Wed Apr 06, 2016 6:25 pm

Is there a way to buzz out a condenser element? Should it show up as a capacitor, and if so, what sort of range? (Using a Fluke 87)

Trying to figure out if the element in this PZM is the problem.
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dfuruta
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Post by dfuruta » Thu Apr 07, 2016 10:44 am

electret elements often have an integrated buffer, so a capacitance reading won't be helpful. raw condenser elements are under 100pF, generally (thus the high impedance nature of the surrounding circuitry).

might be easier to go the other way: (carefully) inject signal at the capsule and see if the rest of the mic works properly.

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Scodiddly
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Post by Scodiddly » Thu Apr 07, 2016 6:57 pm

Best bet is just to temporarily replace the capsule with another - Panasonic WM-61 or whatever the current version might be. Take some careful dimension measurements and you can probably find a direct replacement capsule without too much difficulty.

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