A pair of tiny coils are mounted so that they can rock about an axis between the pole pieces of a magnet. Each responds only to one plane of stylus movement. To
minimize mass, the coils have few turns and so are low impedance and give low output; they thus need special pre-amps or transformers. Some have been produced using many turns of very fine wire, thereby giving higher impedance and output.
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Pickup cartridge, moving-coil --
A pair of tiny coils are mounted so that they can rock about an axis between the pole pieces of a magnet. Each responds only to one plane of stylus movement. To
minimize mass, the coils have few turns and so are low impedance and give low output; they thus need special pre-amps or transformers. Some have been produced using many turns of very fine wire, thereby giving higher impedance and output.
