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IEC 60655 Ed. 1.0 b:1979

M00001291

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IEC 60655 Ed. 1.0 b:1979 [ Withdrawn ] Values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones

standard by International Electrotechnical Commission, 01/01/1979

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Gives the values that are to be added to the pressure sensitivity level of a microphone in order to obtain the free-field sensitivity level when a very high accuracy is not called for or when conditions for carrying out an accurate free-field calibration are not available. The values given have been derived from measurements of the pressure and free-field sensitivity levels of a number of microphones carried out in accordance with IEC 60327 and IEC 60486 to which reference should be made concerning terminology, microphone preamplifier configurations, etc.

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Edition: 1.0 Published: 01/01/1979 Number of Pages: 15 File Size: 1 file , 530 KB