Three old vacuum transmitting tubes in front of a black background

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Size: 4241px × 2822px
Location: Meynertgasse 51, 3400 Klosterneuburg, Austria
Photo credit: © Stefan Rotter / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: amp, amplifier, analog, ancient, anode, audio, background, black, broadcasting, cathode, closeup, communication, component, connectors, diode, electrical, electricity, electron, electronic, electronics, engineering, equipment, glass, group, history, industrial, industry, isolated, metal, obsolete, pentode, power, radio, retro, revival, science, technology, television, transparent, triode, tube, vacuum, valve, vintage, wave, white