EN 60268-7 : 2011现行
SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
出版：European Committee for Standards - Electrical
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基本信息
标准编号： EN 60268-7 : 2011
标准类别：Standard
出版单位：European Committee for Standards - Electrical
标准页数：0
标准简介
Describes the characteristics which should be included by the manufacturer in specifications, and relevant methods of measurement. Comprises a classification of the different types of earphone, mainly characterized by the way in which the transducer is coupled acoustically to the ear, and a classification code which may also be used for marking.
