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4TPB

Information - Help 
ID = 29002
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 4TPB = CV828
Similar Tubes
Different connections:
  4TSP

Base British-7-Pin, old (M7A)
Filament Vf 4 Volts / If 1 Ampere
Description As 4TSP but without top cap. Conection brought to base. 
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   
 

Usage in Models 1= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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