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 |
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.