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BS 4669:1971

BS 4669:1971

$39.73

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

Published By Publication Date Number of Pages
BSI 1971 14
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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.

BS 4669:1971
$39.73