IEC 60118-2:1983/AMD2:1997 ed2.0

Заменен

Amendment 2 - Hearing aids. Part 2: Hearing aids with automatic gain control circuits — 19 стр.

Adds a new clause 10 to IEC 60118-2 second edition : Frequency response of hearing heads with AGC circuits in operation using steady-state broad-band signals.

Заменен на

IEC 60118-0:2015 ed3.0

ICS

17.140.50 Electroacoustics. Including sound level meters / Электроакустика. Включая слуховые аппараты и шумомеры