Radios antiguas y Radios de Colección
2B4
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País:
Estados Unidos
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| Idéntica a |
2B4
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| Válvulas similares |
Substituya normalmente -diferencia peq.:
885
Other base and other heater:
6Q5G
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| Fuente principal
(es) |
02.Jan.1943 : Electron Tube Registration List rec. 315
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| Base |
UY-Base, 5 Pins (USA, April 1927)
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| Usada en |
Technology / Measurement |
| Filamento |
Vf 2.5 Volt / If 1.4 Ampere / Indirect |
| Descripción |
Thyratron designed to operate as sawtooth generator in the timebase of oscilloscope instruments, such as the DuMont type 164 oscilloscope..
Similar to 885, registered to RCA about two years later.
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Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
x 102 x 38 mm / x 4.02 x 1.50 inch |
| Peso |
37 g / 1.31 oz |
| Literatura |
- - Manufacturers Literature
Tube Lore (II) p. 42
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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2B4: Tabu Röhren-Codex, 1948
Anónimo 15 Coleccionista
Mas ...
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Just Qvigstad
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2B4: Manufacturer's Literature
Emilio Ciardiello
Mas ...
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Número de
modelos en Radiomuseum.org con esta
válvula:2
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