An actuator assembly according to one embodiment includes an inner effective annular magnet polarized radially, an outer effective annular magnet polarized radially, and a coil positioned between the inner and outer magnet structures. The magnet structures may be continuous magnets or constructed of multiple magnets. The coil may be a dual wound monofilament coil, where sections of the filament are wound in opposite directions.

 
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> Magnetic head positioning mechanism

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