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

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• Edition: 1 (Monolingual)	ICS: 13.140
  Status: Published	Stage: 90.20 (2013-04-15)
  TC/SC: ISO/TC 43	Number of Pages: 8

• Revises: ISO 389:1991

• ISO 389-2:1994

  ISO 389-3:1994

  ISO 389-4:1994

  ISO 389-5:2006

  ISO 389-6:2007

  ISO 389-7:2005

  ISO 389-8:2004

  ISO 389-9:2009