Category:2A3
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The majestic 2A3 directly-heated triode, introduced by RCA on the 10th of January 1933.
Media in category "2A3"
The following 10 files are in this category, out of 10 total.
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2A3 class AB1 auto bias settings.png 1,685 × 1,062; 104 KB
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2A3 class AB1 fixed bias settings.png 1,675 × 949; 120 KB
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2A3 schematic Thordarson 1937.png 2,247 × 892; 98 KB
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2A3 single- and double-plate structure.svg 660 × 332; 44 KB
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2A3 vacuum tube by C.K.Tse 01.jpg 4,219 × 2,508; 1.13 MB
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2A3 vacuum tube by C.K.Tse 02.jpg 1,182 × 2,076; 307 KB
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Audio Electronic Supply SE-1 with Sovtek 2A3 by John Mills.jpg 3,264 × 2,448; 1.52 MB
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Sovtek 2A3 triode at HighEnd-2009 (3556195465).jpg 600 × 900; 266 KB
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Sovtek 2A3 triode at HighEnd-2009 (3557007508).jpg 600 × 900; 271 KB
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直熱管和膀熱管.jpg 422 × 570; 39 KB