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在磁带录音和放音过程中,由于存在着放音微分效应和录、放音的各种高频损耗现象,即使在恒流录音的条件下,放音输出也并非是平坦的频率特性,因此必须对录音放大器和放音放大器进行频率补偿.这种补
In tape recording and playback process, due to the presence of the differential effect of recording and recording, playback of various high-frequency loss phenomenon, even under the conditions of constant-current recording, playback output is not a flat frequency characteristics, therefore The recording amplifier and playback amplifier must be frequency compensated