Ключевые слова: amplify, analog, audio, button, cassette, channel, classic, compact, development, electric, electronic, entertainment, finger, frequency, frequency modulation, hand, industry, instrument, listening, loudspeaker, magnetic, memory, music, object, obsolete, old, package, plastic, play, power, radio, radio wave, receiver, recorder, reel, retro, roll, search, song, sound, tape, tape desk, technology, tuning, vintage, volume, working,