An armature actuated by the stylus, passes through the centre of a coil which is enclosed between the poles of a permanent magnet. Movement of the armature disturbs the magnetic field through the coil. All the early mono pickups used this principle.
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Pickup cartridge, moving-iron --
An armature actuated by the stylus, passes through the centre of a coil which is enclosed between the poles of a permanent magnet. Movement of the armature disturbs the magnetic field through the coil. All the early mono pickups used this principle.
