Antique radios, Old Time Radios
UX-199_code9
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Country:
United States of America (USA)
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| Identical to |
UX-199_code9
= 99
= B_USA-Triode
= CX299
= X99
= UX99
= UX199
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| Similar
Tubes |
Other characteristic (electr. data):
231D
Other base:
C299
; UV99
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| First year |
Apr.1925
Saga of the Vacuum Tube, Tyne page 314
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| Production stop |
1931 |
| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
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| Description |
Direct heated 3,3-V-Triode for dry batteries: UX199 = CX299 = X99. Nickel-plated contact pins were introduced in 1927 [Tyne 314].
Text in other
languages (may
differ)
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| Information source |
-- Collector info (Sammler)
Taschenbuch zum Röhren-Codex 1948/49
Babani, International Radio Tube Encyclopaedia
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UX-199_code9: KoBi
Konrad Birkner † 12.08.2014
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Just Qvigstad
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Collection of
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