A voice coil (consisting of a former, collar, and winding) is the coil of wire attached to the apex of a loudspeaker cone. It provides the motive force to the cone by the reaction of a magnetic field to the current passing through it. The term is also used for voice coil linear motors, which produce a larger force and move a longer distance but work on the same principle.
Read more about Voice Coil: Operation, Design Considerations, Overhung & Underhung Coils, Other Uses For The Term
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“Reason is a faculty far larger than mere objective force. When either the political or the scientific discourse announces itself as the voice of reason, it is playing God, and should be spanked and stood in the corner.”
—Ursula K. Le Guin (b. 1929)
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