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TP23

Information - Help 
ID = 8865
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode-Pentode   Frequency converter 
Identical to TP23

Base British-7-Pin, old (M7A) (Codex=Nu) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.25 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1937
 
tp23_0.jpg
TP23: Sammlung Bayer
Klaus Bayer

 
tp23base.png
TP23: own collection
Peter den Boer

 
tp23.png
TP23: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 6= 1937 ; 8= 1938 ; 2= 1939

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


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