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AKG genuine CK12 Brass capsule: building DIY mic with a single Jfet-transistor

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Submitted by Schertler on Wed, 12/30/2020 - 14:12

I have got discovered vintage AKG CK12 Brass capsule at home.

I would like to build a mic with this capsule and use a standard one-transistor Jfet circuit of ECM electret mics (common source either
source follower)...

Has anyone ever tried to wire such a large capsule with a single Jfet transistor ? Do you think this might work as a decent condenser mic ?