Thursday, March 15, 2012

A microphone guide

Dynamic Microphone

Dynamic moving coil microphones employ a coil of wires attached to a diaphragm, which is suspended within a magnetic field. Acoustical vibrations cause the diaphragm and the coil to vibrate within this magnetic field, creating an AC (alternating current). This current electrically represents the audio signal.

Dynamic microphones tend to be robust and are commonly used for close miking louder instrument setups including guitar amplifiers, individual drums and live vocals. Characteristics include a good transient response, a natural midrange peak, (about 5 kHz) solid low frequency response and tight polar pattern to keep leakage at bay. Because of their …

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