The speaker driver: a simple yet brilliant electromagnetic motorĪn amplifier feeds a signal to two terminals on the back of a speaker. These terminals pass the current into a cylindrical coil of wire, which is suspended in the circular gap between the poles of a permanent magnet.
Specifically, this transducer transforms the amplified electrical waves from your playback device, be that your phone or the cartridge of your turntable, into sound pressure waves in the air for your ears to detect. As a transducer, its function is to transform energy from one form to another. How speakers work: the basicsĪ speaker driver is the raw electroacoustic component that makes a loudspeaker work. Editor’s note: this article was updated on March 12, 2021, to include more technical information.
