用于在磁带上录制和播放声音的系统 第1部分：一般条件和规格（第 4.0 版；包括 修改件1：07/1994）

[中文适用范围]： 由四个部分组成。适用于无孔空白磁带和预录磁带以及相关记录和再现系统（例如卷轴、盒式磁带和盒式磁带）的尺寸、机械和电气要求。时间 [外文原描述]： Applies to the dimensional, mechanical and electrical requirements for non-perforated blank and pre-recorded magnetic tape and for the associated recording and reproducing systems such as reel-to-reel, cassette and cartridge. Gives methods of measurement and necessary tolerances to secure interchangeability of recordings.