![Components of a loudspeaker. Electrical signals sent through the coil cause it to act as an &elipsis; [Credit: © Merriam-Webster Inc.]](http://images.bookrags.com/images/eb/72191.gif)
Components of a loudspeaker.
Electrical signals sent through the coil cause it to act as an &elipsis; [Credit: © Merriam-Webster Inc.]
In
sound reproduction, device for converting electrical energy into acoustical (sound) signal energy that is radiated into a room or open air (&see;
acoustics). The part of the speaker that converts electrical into mechanical energy is frequently called the motor, or voice coil. The motor vibrates a diaphragm that vibrates the air in immediate contact with it, producing a sound wave corresponding to the pattern of the original speech, music, or other acoustic signal.
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