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New Reduced price! IEC 61842 Ed. 1.0 en:2002 View larger

IEC 61842 Ed. 1.0 en:2002

M00001936

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IEC 61842 Ed. 1.0 en:2002 Microphones and earphones for speech communications

standard by International Electrotechnical Commission, 03/08/2002

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$85.57

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$199.00

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Applies to the microphone part and earphone part of handsets, headsets or earsets for speech communications, and also to the microphone units and earphone units of built-in handsets, headsets or earsets. Establishes definitions relating to these electroacoustic transducers, standardizes the characteristics to be specified and the relevant methods of measurement.