 |
| Identical to |
C299
= UV99
= UV199
= UV-199
= V99
|
| Similar
Tubes |
99 (other base)
UX199 (other base)
UX-199 (other base)
UX99 (other base)
CX299 (other base)
|
| Successor Tubes |
1925
CX299
99
UX199
|
|
| Base |
UV-Base (4 Pins+Bayonet, USA 1914) (Codex=Bo)
|
| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 0.06 Ampere /
Vf 3 Volts /
|
| Description |
Stokes page 17: The first tubes with thoriated filament made by General Electric (GE) appeared as UV-199 adn UV-201A. They were produced late in 1922 but were not available for general sale until well into 1923.
Cunningham uses C299 for the UV199. Also the C299 uses the unique small UV199 base which never was used for other tube types. The UV199 is the first tube intended for use in portable receivers as well as in home receivers using batteries. The filament is for 3 voltss, 0.06 amperes. After a year of release this was rated to 3.3 volts. Physically the UV199 and C299 are much smaller than any previous GE or Cunningham tubes (T-8 tubular bulb).
Text in other
languages (may
differ)
|
| Tube prices |
1 Tube prices (visible for members
only)
|
| Literature |
Taschenbuch zum Röhren-Codex 1948/49
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KoBi
Konrad Birkner
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KoBi
Konrad Birkner
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