: a device that changes electrical signals into sounds loud enough to be heard at a distance
First Known Use of LOUDSPEAKER
Other Audio Recording Terms
loudspeaker noun (Concise Encyclopedia)
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.
Components of a loudspeaker. Electrical signals sent through the coil cause it to act as an
—© Merriam-Webster Inc.
Variants of LOUDSPEAKER
loudspeaker or speaker
Learn More About LOUDSPEAKER
Seen & Heard
What made you want to look up loudspeaker? Please tell us where you read or heard it (including the quote, if possible).