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Electret microphone

Discussion in 'Audio Terms' started by audiokid, Jun 10, 2010.

  1. audiokid

    audiokid Staff

    • An electret microphone is a type of electrostatic capacitor-based microphone, which eliminates the need for a polarizing power supply by using a permanently charged material.
    • Type of capacitor microphone utilizing a permanently charged capsule. A condenser microphone has a permanently polarized (charged) variable capacitor as its sound pressure level sensor.

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