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  • IEC 60655 Ed. 1.0 b:1979

IEC 60655 Ed. 1.0 b:1979

Values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones

International Electrotechnical Commission, 01/01/1979

Publisher: IEC

File Format: PDF

$16.00$32.00


Published:01/01/1979

Pages:15

File Size:1 file , 530 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

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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