Category:Electric discharge in electronic vacuum tubes

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In heated electronic vacuum tubes used in electronics, mainly in amplifiers like the old-style audio amplifier tubes mostly depicted below, there are two light phenomena. The orange glow comes from the electric heating used to promote electron flow, while the blueish glow stems from electric discharge of gas ions in the mostly evacuated tube.

Media in category "Electric discharge in electronic vacuum tubes"

The following 19 files are in this category, out of 19 total.

Blue light effect from gas discharge in vacuum tube of soviet tube audio amplifier.jpg 974 × 1,445; 289 KB
Blueish gas discharge in glowing vacuum tube of Mcintosh MC240 audio amplifier (cropped).jpg 568 × 640; 213 KB
Detailed view of top of glowing vaccum power tube type 6N3C of a Fender Bandmaster Reverb guitar tube amplifier (cropped).jpg 1,194 × 1,144; 257 KB
Electric discharge producing blue light in glowing vaccum tube of Reussenzehn tube audio amplifier c. from 1990s.jpg 980 × 1,036; 224 KB
Gassy Twins.jpg 2,008 × 1,371; 345 KB
Glowing Beauties.jpg 4,610 × 2,734; 3.3 MB
Glowing vaccum power tube type 6N3C of a Fender Bandmaster Reverb guitar tube amplifier.jpg 1,243 × 2,362; 470 KB
Glowing vaccum tube (1 of 4 large ones) of Reussenzehn tube audio amplifier c. from 1990s (cropped).jpg 1,233 × 1,937; 472 KB
Glowing vacuum tube of Mcintosh MC240 audio amplifier (cropped).jpg 628 × 1,156; 405 KB
Glowing vacuum tubes of Mcintosh MC240 audio amplifier.jpg 4,442 × 3,001; 6.33 MB
Glowing vacuum tubes of Reussenzehn tube audio amplifier c. from 1990s (cropped).jpg 2,025 × 2,470; 985 KB
Inner part of glowing vaccum tube (1 of 4 large ones) of Reussenzehn tube audio amplifier c. from 1990s (2xcropped).jpg 692 × 1,403; 245 KB
Mono Tube.jpg 1,948 × 3,197; 1.67 MB
Pumping Ions.jpg 4,610 × 2,739; 1.64 MB
Red Plating Power Tube.jpg 900 × 523; 47 KB
Reussenzehn-tube-amp-4 hg.jpg 8,039 × 4,439; 3.18 MB
Soviet Power Tubes.jpg 4,295 × 2,803; 1.5 MB
Twin Towers.jpg 2,656 × 2,510; 1.25 MB
Vacuum Tube Parts Diagram.png 500 × 707; 1.02 MB

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