Antique radios, Old Time Radios
UV217B
Country:
United States of America (USA)
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Identical to |
UV217B
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Similar
Tubes |
Other characteristic (electr. data):
UV217
; UV217A
; UV217C
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First year |
Dec.1926
Saga of the Vacuum Tube, Tyne page 323
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Predecessor Tubes |
UV217
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Base |
Jumbo 4-pin bayonet (1918)
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Was used by |
Transmittertube (Radio) |
Filament |
Vf 10 Volts / If 3.25 Ampere / Direct / Specified voltage AND current AC/DC |
Description |
Work on development of this tube at the GE laboratories started in October 1924 and the type number was assigned to it in December the same year. It is not known when the tube was released to the public. Being a rectifier, GE gave this tube the Brandname: Kenotron
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Information source |
- - Manufacturers Literature Development of Radiotron transmitting tubes to 193
Saga of the Vacuum Tube, Tyne p. 323
Tube Lore (II)
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UV217B
Anonymous 10 Collector
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Just Qvigstad
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Collection of
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Data Compliance |
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