NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN ISO 8253-2 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60581-7 | 1986 | High fidelity audio equipment and systems; Minimum performance requirements. Part 7 : Loudspeakers More |
| IEC 60645-1 | 2001-06 | Electroacoustics - Audiological equipment - Part 1: Pure-tone audiometers More |
| IEC 61672-1 | 2002-05 | Electroacoustics - Sound level meters - Part 1: Specifications More |
| ISO 266 | 1997-04 | Acoustics - Preferred frequencies More |