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X22

Information - Help 
ID = 8718
       
Country:
Great Britain (UK)
Brand: MO Valve Co. Ltd.; GB
Tube type:  Pentagrid-Converter (Heptode)   Frequency converter 
Identical to X22 = CV1043

Base Europe 7-Pin C7A (Hx C, C7, C) 1933 (Codex=sp)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
  x22_tipycalcircuit.png
  X22: Osram Valves made in England, 1938
Jose Casas-Avalos
 
x_22.jpg
X22: DE MI COLECION
Justo Puertas-Paule

 
166_1.png
X22: Telefunken Werkstattbuch
Wolfgang Bauer

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


from Just Qvigstad

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


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