Reference number
ISO 389:1975
© ISO 2024
ISO 389:1975
Acoustics — Reference zero for the calibration of audiometric equipment
Edition 1
1975-01
Withdrawn
Withdrawn (Edition 1, 1975)
This standard has 2 amendments.

General information

  • Status
     : Withdrawn
    Publication date
     : 1975-01
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 43
    ICS :
    13.140 
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 Amendments

Amendments are issued when it is found that new material may need to be added to an existing standardization document. They may also include editorial or technical corrections to be applied to the existing document.

Addendum 1

Edition 1983

Addendum 2

Edition 1986

Life cycle

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