Ключевые слова:
Audio systems, Output impedance, Electric cables, Video tape recorders, Audio amplifiers, Rated voltage, Inductance, Ratings, Electrical tolerances, Electrical impedance, Amplifiers, Microphones, Video signals, Standardized parameters, Audiovisual materials, Interfaces, Analogue signals, Radio receivers, Control signals, Electric conductors, Electrical insulation, Headphones, Electrical resistance, Audio equipment, Voltage, Acoustic signals, Loudspeakers, Network parameters, Source impedance, Electric power systems, Marking, Gramophone pick-ups, Signal level