ISO/TC 43
| Project No. | ISO 389-2:1994 |
|---|---|
| Title | <p>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.</p> |
| Registration number (WIID) | 4378 |
| Scope | <p>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.</p> |
| Status | Standarts spēkā |
| ICS group | 13.140 |