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DC2/Pen

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ID = 11143
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Triode, vacuum   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to DC2/Pen = VT92_GPO = CV1735
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Was used by Radio/TV-reception etc.
Filament Vf 35 Volts / If 0.1 Ampere / Indirect / Specified current DC = (Series working)
Description

Tube illustrated is an early example with a side contact. Later tubes were fitted with the B5 base.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia   Pages 92 & 93
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
- - Manufacturers Literature

Just Qvigstad 		dc2pen.png
DC2/Pen: own collection
Peter den Boer
Usage in Models 2= 1932? ; 1= 1932 ; 4= 1933 ; 1= 1934
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):8

Collection of

Collection of a member from D
Rodney Boleyn (USA)
 
dc2pen_mazda.jpg

DC2/Pen
 
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