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