Specification for measurement microphones - Specifications for working standard microphones Ingestion-build-264231 ECM can support the former

ECM can support the former and safeguard against the latter

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fixtures and tooling

Technical and production requirements

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Specification for measurement microphones - Specifications for working standard microphones Ingestion-build-264231 ECM can support the former1 Scope and object This part of IEC 1094 is applicable to working standard microphones. It specifies mechanical dimensions and certain electroacoustical characteristics for working standard microphones used in measuring systems for the determination of sound pressure to enable these microphones to be used as transfer standards in the calibration of acoustic measurement instruments. It establishes a system for classifying working standard microphones