• BS 4669:1971

BS 4669:1971

Specification for an artificial ear of the wide band type for the calibration of earphones used in audiometry

BSI Group , 02/26/1971

Publisher: BS

File Format: PDF

$36.00$73.66


Specifies requirements for an artificial ear which covers the audiometric frequency band from 80 Hz to 10 000 Hz. This artificial ear is intended for the calibration of super-aural earphones which are applied with minimum leakage to human ears. Cross References: BS 2042*BS 3171*BS 4668*Replaced by BS EN 60318-1:1998 but remains current.

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