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CV1021

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ID = 13943
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Triode, vacuum   Universal 
Identical to CV1021 = VR21 = 10E/7738 = 210LF
Similar Tubes
Normally replaceable-slightly different:
  CV1027 ; CV3532 ; VR27

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Information source Babani, International Radio Tube Encyclopaedia   p. 68 & 69
-- Original-techn. papers.   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

1_239.png CV1021: Datenblatt
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1950??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

 
cv1021.jpg

 

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