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IEC TR 60303:1970 ED1

IEC provisional reference coupler for the calibration of earphones used in audiometry IEC TR 60303:1970 ED1

Publication date:   Jan 1, 1970

General information

99.60   Withdrawal effective   Aug 7, 1998

IEC

TC 29

Technical Report

17.140.50   Electroacoustics | 33.160.50   Accessories

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Scope

The coupler is recommended as a simple and ready means for the exchange of specifications on audiometers and for calibration of earphones used in audiometry, even though the sound pressure developed by an earphone is not, in general, the same in the coupler as in a person's ear. Has the status of a technical report.

Life cycle

NOW

WITHDRAWN
IEC TR 60303:1970 ED1
99.60 Withdrawal effective
Aug 7, 1998




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