IEC 60268-2:1971 ed1.0

Заменен

Sound system equipment - Part 2: Explanation of general terms — 10 стр.

Defines, explains and gives methods of calculating terms and expressions used in this series of publications.

Заменен на

IEC 60268-2:1987 ed2.0

ICS

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