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Testing a Condenser Element

 
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Drone
buyin' gear


Joined: 18 Dec 2009
Posts: 578
Location: Uranus

PostPosted: Wed Apr 06, 2016 9:25 pm    Post subject: Testing a Condenser Element Reply with quote

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
re-cappin' neve


Joined: 08 May 2009
Posts: 697

PostPosted: Thu Apr 07, 2016 1:44 pm    Post subject: Re: Testing a Condenser Element Reply with quote

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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Joined: 10 Dec 2003
Posts: 3369
Location: Mundelein, IL, USA

PostPosted: Thu Apr 07, 2016 9:57 pm    Post subject: Re: Testing a Condenser Element Reply with quote

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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