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U22

Information - Help 
ID = 8264
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Half-Wave Vacuum Rectifier 
Identical to U22 = Cv1719
Similar Tubes
Normally replaceable-slightly different:
  CV1356 ; VT171_GPO

Base Octal-8 GB, (Mazda), K8B, MO (Codex=Vn)
Filament Vf 2 Volts / If 2 Ampere / Half indirect
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1948
 
u_22.jpg
U22: AH eigene Sammlung
Alexander Hofer

 
u22_sock.png
U22: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

 
u22data.png
U22: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 2= 1946 ; 2= 1947? ; 8= 1948 ; 1= 1951 ; 2= 1952 ; 1= 1953

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16


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