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IEC 60098-2020 pdf download

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...
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