Moldova standards PDF

Sound system equipment - Part 16- Objective rating of speech intelligibility by speech transmission index. IEC 60268-16:2020-09(en-fr). Original standard IEC 60268-16-2020 in PDF full version. Additional info + preview on request

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Sound system equipment. Part 17- Standard volume indicators. CEI/IEC 268-17:1990. Original standard IEC 60268-17-1990 in PDF full version. Additional info + preview on request

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Sound system equipment. Part 2- Explanation of general terms and calculation methods. CEI/IEC 268-2:1987. Original standard IEC 60268-2-1987 in PDF full version. Additional info + preview on request

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Amendment 1 - Sound system equipment. Part 2- Explanation of general terms and calculation methods. Original standard IEC 60268-2-1987 amd1-1991 in PDF full version. Additional info + preview on request

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Sound system equipment - Part 21- Acoustical (output-based) measurements. IEC 60268-21:2018-11(en-fr). Original standard IEC 60268-21-2018 in PDF full version. Additional info + preview on request

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Sound system equipment - Part 22- Electrical and mechanical measurements on transducers. IEC 60268-22:2020-09(en-fr). Original standard IEC 60268-22-2020 in PDF full version. Additional info + preview on request

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