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R4C_E12

Información - Ayuda 
ID = 85678
       
País:
Gran Bretaña (GB)
Marca: Osram-Valves GB (not MO-Valves)
Diseñador: Osram-Valves GB (not MO-Valves) 
Tipo:  Triode, vacuum   Audio Frequency 
Idéntica a R4C_E12
Válvulas similares
Otra base:
  R4C

Base Edison (candelabra) 12 mm 2 Top contacts.
Usada en Militaire et/ou Services Publics
Filamento Vf 3.3 Volt / If 0.65 Ampere / Direct
Descripción

Developed by Osram in conjunction with the British Navy, at the Hirst Research Centre of GEC. The anode and grid connections were made with wire leads from the top of the bulb.Tube also available with B4 base.

 
Literatura Saga of the Vacuum Tube, Tyne   p. 220
- - Manufacturers Literature   Exhibition of MOV tubes January 1920
-- Collector info (Sammler)

 
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R4C_E12
 

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