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TH22C

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ID = 50702
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode-Heptode 
Identical to TH22C
Similar Tubes
Normally replaceable-slightly different:
  TH233
Base Octal-8 GB, (Mazda), K8B, MO
Filament Vf 23 Volts / If 0.2 Ampere
Information source -- Schematic   Bush DAC 51
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th22c_pinout.png TH22C: From my schematic collection.
Pier Antonio Aluffi

Just Qvigstad 		th22c_characteristics.png
TH22C: My schematic collection.
Pier Antonio Aluffi
Usage in Models 3= 1937 ; 3= 1938 ; 1= 1939
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7
 
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