How a Condenser Microphone Works

A condenser microphone (or electrostatic microphone) uses capacitor that contains a diaphragm acting as one plate of the capacitor. Vibrations produced by sound waves change the distance between the diaphragm and the plate. The change in distance creates a change in voltage which can be amplified and output to any compatible device.

For a more detailed explanation, check out Condenser Microphones on Wikipedia.

Audio-Technica AT2020 USB Condenser USB Microphone Audio-Technica AT2020 USB Condenser USB Microphone
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Description

The new AT2020 USB offers studio-quality articulation and intelligibility with modern convenience. It plugs right into your computer's USB port, and functions seamlessly with your favorite recording software...
MXL V67G Large Capsule Condenser Microphone MXL V67G Large Capsule Condenser Microphone
Sale Price: $99.00
 

Description

The MXL-V67G sports a gold plated round grill and distinctive vintage brass body design. It was designed for vocals, so this mic will surely stand out in any crowd. The V67G sounds as golden as its looks...
Blue Microphones Yeti USB Microphone Blue Microphones Yeti USB Microphone
Sale Price: $93.93