STM PDF

Sound system equipment - Part 15- Preferred matching values for the interconnection of sound system components. Original standard IEC 60268-15-1996 in PDF full version. Additional info + preview on request

Document status: Withdrawn

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

Document status: Active

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

Document status: Active

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

Document status: Active

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

Document status: Active

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

Document status: Active