Radios antiguas y Radios de Colección
R4C
|
País:
Gran Bretaña (GB)
|
|
Marca:
|
|
| Tipo: |
Triode, vacuum Universal |
| |
<1925 rare |
|
| Idéntica a |
R4C
|
| Válvulas similares |
Otra base:
R4C_E12
|
| Primera serie |
1919
??
Saga of the Vacuum Tube, Tyne page 220
|
| Fuente principal
(es) |
1919 : British Radio Valves - The Vintage Years: 1904-1925 p.26,27
|
| Base |
Europe 4-Pin B4 (Eu A, E, 4A) 1914
|
| Usada en |
Militaire et/ou Services Publics |
| Filamento |
Vf 3.8 Volt / If 0.65 Ampere / Direct / Battery = |
| Descripción |
First made by Osram GEC in 1919. Tube was fitted with E12 Edison base and had wire leads from the top from the plate and grid connections. British Navy version NR4C
|
Dimensiones
(Alt,Ancho,Prof.)
incl.pins/tip |
50 x 105 x mm / 1.97 x 4.13 x inch |
| Literatura |
- - Manufacturers Literature Gec cat. about 1924
|
|
R4C: Fin Stewart
Fin Stewart
|
Just Qvigstad
|
R4C: own collection
Peter den Boer
|
Colección personal de
|
|
|
|
[rmxtube-en]
| Cumplimiento de datos |
Más información |
|
|
|
