Radios antiguas y Radios de Colección
91
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País:
Estados Unidos
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| Idéntica a |
91
= FG37
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| Válvulas similares |
Heater different:
1904_RCA
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| Fuente principal
(es) |
1931 : - - Manufacturers Literature via Burnap
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| Base |
UX-Base (4 Pins (2 thick, USA 1924)
Top contact with a cap.
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| Usada en |
Radio/TV-reception etc. |
| Filamento |
Vf 110 Volt / If 2 Ampere / Indirect |
| Descripción |
This tube was developed by GE in 1931 (Electronics, Oct. 1931, pp. 152-154). It had very limited production and was discontinued in 1952 by RCA.. Designed for DC to AC inverters mainly so consumers could in DC power supply areas could use large radios and phonographs.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 203 x 58 mm / x 7.99 x 2.28 inch |
| Literatura |
Tube Lore (II) page 29
Tube Lore (I) Page 11
-- Collector info (Sammler)
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91: Fin Stewart
Fin Stewart
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Just Qvigstad
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Número de
modelos en Radiomuseum.org con esta
válvula:1
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| Cumplimiento de datos |
Más información |
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