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PenB4

Information - Help 
ID = 11482
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Vacuum Pentode   Power/Output 
Identical to PenB4 = CV3626 = OP41
Similar Tubes
Normally replaceable-slightly different:
  AC/YY

Base British-7-Pin, old (M7A) (Codex=Ndo)
Filament Vf 4 Volts / If 2.1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

penb4_sock.png PenB4: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
penb4_mullard_data_01.png
PenB4: Mullard-original papers
Bernd Staginnus

Usage in Models 9= 1937 ; 10= 1938 ; 2= 1939

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):21

Collection of

 
penb4.jpg

PenB4
 

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