Antique radios, Old Time Radios
273A
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Country:
United States of America (USA)
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| Identical to |
273A
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Was used by |
Military and/or Government |
| Filament |
Vf 2 Volts / If 1.6 Ampere / Indirect / Specified voltage AC/DC |
| Description |
Detector triode developed for U.S. Army. No commercial production reported and the tube is not listed in any data sheet, card catalog or catalog table. but the tube is listed in "75 Years of Western Electric Tube Manufacturing". It was possibly developed in 1931 and discontinued in 1936. One tube has been located.
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Dimensions (WHD)
incl. pins / tip |
x 123 x 45 mm / x 4.84 x 1.77 inch |
| Weight |
49 g / 1.73 oz |
| Information source |
Tube Lore (I)
-- Collector info (Sammler)
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Just Qvigstad
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