These motors are designed to accommodate a wide range of applications including direct drive servo systems, recorder drives, holding torque and high torque-low speed control systems.
The recorder is suitable for mobile observation because of its visual records presenting direct results and its easily done maintenance and operation.
因为采取了可见记录，观测结果更直观，维修管理方便，适于流动观测。
3
So the tape recorder which adopts this magnetic head can be used for wide band direct replay and makes signal-noise ratio improvement, it is an ideal playback head.