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前言 AT-220型广播录音带是广播电影电视部磁带厂于1984年工2月通过国家鉴定的新产品,为使更多的电台和其它用户了解这种录音带,本文就电声性能方面与美国Ampex456型录音带作一对比。
Preface AT-220-type radio cassette tape is a radio and television film and television tape factory in February 1984 passed the national appraisal of new products, in order to make more radio and other users understand the tape, the electro-acoustic performance with the United States Ampex456 Type tape for comparison.