The magnetic tape with speech prompt for testing tape speed deviation of audio recorder can play its role only by inserting it into audio recorder. It is used to repair and calibrate audio recorder.
一种磁带录音机带速反映磁带，用于检验录音机带速偏差，其特征在于它使用国家标准规定的空白录音带在其录音带的声轨上录制上每秒发出一次短促声响。
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.
因而录放装置使用上该磁头后，可以用于宽频带直接重放，且能够使信噪比得到很大改善，该磁头是一种理想的重放磁头。
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.
因而录放装置使用上该磁头后，可以用于宽频带直接重放，且能够使信噪比得到很大改善，该磁头是一种理想的重放磁头。
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