What Is Playback Head?

- Jun 21, 2018-

The playback head is a magnetic head that converts the recorded magnetic residual magnetic signal on the magnetic tape into an audio electrical signal, and its characteristic is to pick up weak residual magnetic signals from the magnetic tape, and thus it is required to have sufficiently high magnetoelectric conversion sensitivity. At the same time to ensure a certain signal-to-noise ratio, it is required that the playback head must use a high magnetic permeability soft magnetic material in the selection area to improve the magnetoelectric conversion efficiency. In order to ensure high frequency response, the gap width should be minimized.



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