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IEC 60098-2020 pdf download.Analogue audio disk records and reproducing equipment (IEC 60098:2020). 6 The groove 6.1 Direction of groove modulation The stereophonic groove shall carry two channels of information. The two channels shall be recorded in such a manner that they can be reproduced by movements of a reproducing stylus...

BS EN IEC 60098-2020 pdf download.Analogue audio disk records and reproducing equipment. This document applies to analogue audio disk records and the corresponding professional and domestic reproducing equipment. It excludes amplifiers and loudspeakers, methods of measurement for which can be found in IEC 60268-3, IEC 60268-5, IEC 60268-21 and IEC...