Ключевые слова: amp, amplifier, analog, audio, background, blurred, bokeh, closeup, control, dashboard, deck, electronic, engineering, equipment, gauge, hi fi, industrial, instrument, knob, laboratory, listen, loud, loudness, measure, measurement, meter, precision, radio, receiver, record, recorder, retro, scale, sound, stereo, studio, techno, technology, vintage, volume, vu,