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