Pole piece spacing : 49.2mm/52mm
Magnet : Alnico2 Bar Magnet /Alnico4 Bar Magnet
Magnet Wire : AWG42 Plain Enamel
Cover : Nickel silver (Non Plated)
Baseplate: Nickel silver
D.C. Resistance : About 6.8k ohm/7.3k ohm
Cable : 4conductor cable
Potting : Unpotted