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X22

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ID = 8718
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to X22 = CV1043
Similar Tubes
Normally replaceable-slightly different:
  VR43

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=sp) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Information source The Saga of Marconi Osram Valve   p. 335
- - Manufacturers Literature   
History of the British Radio Valve to 1940
Taschenbuch zum Röhren-Codex 1948/49

x22_tipycalcircuit.png
X22: Osram Valves made in England, 1938
Jose Casas-Avalos

166_1.png X22: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
x22_data.png
X22: Osram Valves made in England, 1938
Jose Casas-Avalos

Usage in Models 1= 1937? ; 3= 1937 ; 2= 1938? ; 2= 1938 ; 3= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):11

Collection of

 
x_22.jpg

X22
 

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