An electric device including: a stator assembly; and an actuator including a coil having an axis, wherein the stator assembly includes: a stator core arranged along a linear axis, the stator core made up of a plurality of magnets each characterized by a magnetic moment, the plurality of magnets arranged in a stack along the linear axis with the magnet moments of the plurality of magnets being co-linearly aligned parallel to the linear axis, wherein the plurality of magnets includes a first magnet and a second magnet positioned adjacent to each other in the stack separated by a gap and with their magnetic moments in opposition to each other, and wherein the actuator is arranged on the stator core with the coil of the actuator encircling the linear axis with the axis of the coil parallel to the linear axis.