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IEC 60655 Ed. 1.0 Edition 01/1979
Values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones
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Abstract

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.

Status

Standard - Superseded

Origin

Technical Committee :
29 : Electroacoustics

Implementation

start of the vote on the project      date of ratification (dor)   
end of the vote on the project      date of anouncement (doa)   
start of the vote on the final project      date of publication (dop)   
end of the vote on the final project      date of withdrawal (dow)   


Publication Official Journal
of the Grand-Duchy of Luxembourg
Reference

Relations

Evolutions
IEC 60951-3 Ed.3.0 RLV
IEC 60951-3 Ed.3.0 RLV
IEC/TS 61094-7 Ed. 1.0

International Classification for Standards (ICS codes) :

17.140.50 : Electroacoustics

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