1A coil of wire that drives the cone of a loudspeaker according to the signal current flowing in it.
- Better known as the voice coil that drives loudspeakers, a Lorentz coil is made up of a permanent magnet and coil winding, and produces a force proportional to the current applied to the coil.
- The ‘spider’ a bellows-like ring that suspends the cone over the voice coil, is made from a cotton/polyester webbing treated with polymer resin.
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