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File:Electret condenser microphone schematic.svg - Wikimedia Commons
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![Activity: Audio Amplifier with Electret Microphone [Analog Devices Wiki]](https://wiki.analog.com/_media/university/courses/engineering_discovery/lab_4/audio_amplifier_theory_1.png?w=250&tok=e59f72 "Activity: Audio Amplifier with Electret Microphone [Analog Devices Wiki]")
Activity: Audio Amplifier with Electret Microphone [Analog Devices Wiki]
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