Ключевые слова: amplifier, antique, audio, backgrounds, blue, broadcasting, chrome, close, closeup, communication, computer, design, electrical, electricity, electronics, equipment, frequency, indoors, industry, isolated, knob, listening, material, metal, metallic, modern, no people, object, obsolete, old, oldfashioned, order, part of, pattern, radio, recording, single, sitting, speaker, stereo, studio, table, technology, top, tuner, up, wood, wooden,