This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
Specifies levels supplementary to those specified in ISO 389:1991 (to be re-issued as ISO 389-1). Values given are applicable to insert earphones of type Etymotic Research ER-3A, coupled to the human ear by ear inserts of type ER-3-14.
Status: PublishedPublication date: 1994-07
Edition: 1Number of pages: 7
Technical Committee: ISO/TC 43 Acoustics
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