BS 6840-3(1989) : 1989被替代

Describes amplifiers which form part of a sound system for professional and household applications. Covers conditions, classes of operation, rated source impedance, interchangeable parts, automatic controls, special instructions for operation, power supply position of the volume controls, series of measurements, pre-conditioning for measurements, variable consumption apparatus, marking, operating environment, input characteristics, output characteristics, limiting characteristics, gain, response, amplitude non-linearity, noise, hum, balance, external influences, magnetic stray field, gain and phase differences between channels in multi-channel amplifiers, dimensions and weight, and classification of the characteristics to be specified.

BS 5428-2(1979) : 1979

BS 6840-3(1992) : 1992

IEC 60268-3 : 4.0 - Identical