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N41

Information - Help 
ID = 3188
       
Country:
Great Britain (UK)
Brand:
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Vacuum Pentode   Power/Output 
Identical to N41 = KT41
Similar Tubes
Normally replaceable-slightly different:
  42MP/Pen ; 4PenAAC ; 7A3 ; A70C ; A70D ; AC2/Pen ; E670 ; Pen4VB ; PenA4
Other class quality (otherwise equal):
  E651
Other characteristic (electr. data):
  E552
Heater different:
  E583 ; E766_MOV
Different connections:
  E683
Differences not known by us:
  E708_MOV
Base British-7-Pin, old (M7A) (Codex=Seo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Indirect / Specified voltage AC/DC
Information source History of the British Radio Valve to 1940   p. 333
Babani, International Radio Tube Encyclopaedia   p. 120 & 121
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
161_2~~1.png N41: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad 		tube_n41_babani.png
N41: Babani
Mark Hippenstiel
More ...
Usage in Models 10= 1935 ; 26= 1936 ; 2= 1937
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):38

Collection of

Klaus Neumann (D)
Pedro Prieto-Castro (E)
 
n41_a.jpg

N41
 
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