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一般学校购买双卡座录音机,主要是因为它可以复制录音磁带。目前学校里用得较多的是普通型的双卡座录音机。它有两个磁带仓,其中的一个带仓兼有录音、放音功能,简称录音卡,用来复制(录制)录音节目;另一个带仓只有放音功能,不能录音,简称放音卡,工作时用来播放录音节目。由于录音卡具有放音功能,一些教师使用中,常常随意把它当作放音卡放音。其实,这样做是不经济的。因为这会加快录音磁头的磨损,影响录音质量,甚至使其过早失去复制(录制)功能。因此,对双卡座录音机的录音卡不但要认真做好常规性的维护保养,还应当注意合理使用。不
General schools buy dual deck recorders, mainly because it can copy audio tapes. Currently used in schools are more common dual-deck recorder. It has two tape positions, one of the two positions with both recording, playback capabilities, referred to as the recording card, used to copy (recording) recordings; the other tape storage only playback function, can not record, referred to as the playback card, Work to play recordings. As the recording card has playback capabilities, some teachers use, often feel free to put it as a playback card playback. In fact, it is not economical to do so. Because it will speed up the wear of the recording head, affect the recording quality, and even prematurely lose the copy (record) function. Therefore, the dual deck recorder sound card not only do a good job of regular maintenance, but also should pay attention to the rational use. Do not