第一节引言 1、范围本标准适用于专业用和家用磁带录音和放音设备(盘式、盒式和循环盒式),在本标准中把这类设备统称为“设备”。本标准不适用于如高速复制机、人工混响录音机或口授机这样一些具有特殊用途的设备,因为这些设备不是采用盘式、盒式或循环盒式的原理。本标准没有把有关安全方面的条款包括在内,这些内容可在IEC出版物65“接在电网上工作的家用 Section 1 Introduction 1 Scope This standard applies to professional and household tape recording and playback equipment (disc, cassette and loop box), in this standard referred to as such equipment collectively referred to as “equipment.” This standard does not apply to such as high-speed copy machine, artificial reverb recorder or mouth machine such as special-purpose equipment, because these devices are not disc, cassette or loop box principle. This standard does not include the terms of the security aspects, which can be IEC publication 65 "connected to the grid work for home