Our parabolic mic combines two existing ideas: this design for a parabolic mic reflector and handle construction and second this (PDF) circuit for a high quality condenser microphone circuit. The microphone produces amazing results, amplifying distant sounds so that they are more easily heard.

Audio samples of the parabolic microphone amplifying bird song:

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Audio clip: Adobe Flash Player (version 9 or above) is required to play this audio clip. Download the latest version here. You also need to have JavaScript enabled in your browser.