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N43

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ID = 11376
       
Country:
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Vacuum Pentode   Power/Output 
  Ca. 1925 up to 1945 rare.
Identical to N43 = VT107_GPO = CV1675
Similar Tubes
Normally replaceable-slightly different:
  CV1188

Base British-7-Pin, old (M7A) (Codex=Nfo) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC
Description

Tube designed for high sensitivity, large undistorted power output and a low interelectrode capacity. Can be used as an output stage in television receivers.

 
Dimensions (WHD)
incl. pins / tip
57 x 152 x mm / 2.24 x 5.98 x inch
Information source The Saga of Marconi Osram Valve   p. 333
- - Manufacturers Literature   
History of the British Radio Valve to 1940
Taschenbuch zum Röhren-Codex 1948/49

162_2.png N43: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1937 ; 1= 1938

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

 
n43.png

 

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