Descriptors | Output impedance, Preamplifiers, Audio equipment, Radio equipment, Marking, Rated voltage, Rated current, Audio systems, Electrical impedance, Record-players, Radio receivers, Audio amplifiers, Amplifiers, Loudspeakers, Headphones, Pick-ups, Electric current, Standardized parameters, Gramophone pick-ups, Network parameters, Microphones, Ratings, Tape recorders, Electronic equipment and components, Input impedance, Communication equipment, Rated resistance, Circuits, Source impedance |