Radios antiguas y Radios de Colección
S12
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País:
Gran Bretaña (GB)
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| Idéntica a |
S12
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| Fuente principal
(es) |
Aug.1938 : Wireless World (The), London (WW, 79)
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| Base |
SPECIAL TUBEBASE in general (Codex=sp)
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| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 2 Volt / If 0.05 Ampere / Direct / Battery = |
| Descripción |
Miniature tube first made in 1938. For use in hearing aids and small portable radios.
Osram data gives If=60mA. Midget 4 pin base. Va<100, Vs<30. Gm=0.7mA/V at the maximum HT values with Ia=2.5mA, Is=0.4mA at -Vg=0.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x x 18 mm / x x 0.71 inch |
| Literatura |
The Saga of Marconi Osram Valve p. 249, 250 & 338
History of the British Radio Valve to 1940 p. 140 & 205
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
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| Tube Tester Data |
Avo CT160 |
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S12: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20
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S12: MARCONI RECEIVING VALVES, LONDON, 1938
Jose Casas-Avalos
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[rmxtube-en]
| Cumplimiento de datos |
Más información |
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