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ISO 389:1975Withdrawn

Acoustics — Reference zero for the calibration of audiometric equipment

Acoustique — Zéro de référence pour l'étalonnage d'équipements audiométriques

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Amendments & corrigenda

ISO 389:1975/Add 1:1983WithdrawnAcoustics — Reference zero for the calibration of audiometric equipment — Addendum 1International Standard · Published 1 Jul 1983 · ISO/TC 43 ISO 389:1975/Add 2:1986WithdrawnAcoustics — Reference zero for the calibration of audiometric equipment — Addendum 2International Standard · Published 4 Dec 1986 · ISO/TC 43

Replaced by

ISO 389:1985WithdrawnAcoustics — Standard reference zero for the calibration of pure tone air conduction audiometersInternational Standard · Published 14 Mar 1985 · ISO/TC 43