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voice coil

electroacoustical device
Also known as: motor

Quick Summary

A voice coil is a component in electro-acoustic devices, such as loudspeakers and microphones. It is a coil of wire that carries audio frequency currents, which correspond to sound waves. In a loudspeaker, the voice coil is part of the motor that converts electrical energy into mechanical energy. This motor vibrates a diaphragm, which then vibrates the air to produce sound waves that match the original audio signal. Most voice coils operate by moving within a strong magnetic field.12

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  1. voice coil
  2. loudspeaker

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