Antique radios, Old Time Radios
UX200A
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Vf 5 Volts / If 0.25 Ampere / Direct / Battery = |
| Description |
In 1925 (Stokes page 17) RCA replaces the UV200 with the UX200.
Tyne: Work on the 200A tube started in the GE laboratories in February 1925 and in May 1926 RCA announces the UX200A as a new detector tube, replacing the UX200.This tube contains caesium vapor isntead of argon gas of the UV200 and UX200 to get a much more stable operation and increase of sensitivity. The UX200A has a thoriated filament but at that time, 1926, was already outdated and only being used as replacement for UX200 (EE).
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
x 108 x 45 mm / x 4.25 x 1.77 inch |
| Weight |
47 g / 1.66 oz |
| Tube prices |
3 Tube prices (visible for members
only)
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| Information source |
Saga of the Vacuum Tube, Tyne p. 316
Babani, International Radio Tube Encyclopaedia p. 15 & 151
Tube Lore (II)
Taschenbuch zum Röhren-Codex 1948/49
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UX200A: KoBi
Konrad Birkner † 12.08.2014
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Just Qvigstad
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UX200A: KoBi
Konrad Birkner † 12.08.2014
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):78
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