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
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