# ISO 389-1:1998 — Withdrawn and superseded ISO standards For ISO 389-1:1998, item title is Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones; status code is 9599; successor is ISO/PWI 389-1 | ISO 389-1:2017 | ISO/PWI 389-1; withdrawn / published date is 1998-10-29, recorded from its source on 2026-08-05. - **Identifier:** ISO 389-1:1998 _(verified: appears in the quote below)_ - **Item title:** Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/PWI 389-1 | ISO 389-1:2017 | ISO/PWI 389-1 - **Withdrawn / published date:** 1998-10-29 _(verified: appears in the quote below)_ ## What the source says > 30443,IS,,ISO 389-1:1998,Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones,Acoustique — Zéro de référence pour l'étalonnage d'équipements audiométriques — Partie 1: Niveaux de référence équivalents de pression acoustique liminaire pour les écouteurs à sons purs supra-auraux,1998-10-29,1,['13.140'],ISO/TC 43,9599,[4375],"[31692,69855,45102]","['en','fr']",8, ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).