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L2

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ID = 14399
       
Country:
Great Britain (UK)
Brand:
Tube type:  Triode, vacuum   Universal 
Identical to L2
Similar Tubes
Normally replaceable-slightly different:
  PM2DL
Other class quality (otherwise equal):
  CV3531
First Source (s)
Sep.1927 : Funk Bastler 1927 Heft 39
22.Nov.1935 : Wireless World (The), London (WW, 79)

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.1 Ampere / Direct / Battery =
Description

Metallised bulb. Va<150. Ra=10k, Gm 1.9mA/V at Va=100, -Vg=0.

 
Dimensions (WHD)
incl. pins / tip
39 x 108 x mm / 1.54 x 4.25 x inch
Information source History of the British Radio Valve to 1940   p. 141 & 166
- - Manufacturers Literature   1930
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

l2.png L2: Röhrentaschenbuch VT 1962
Jörg Kulbe

More ...

Just Qvigstad
l2data1.png
L2: own collection
Peter den Boer

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Usage in Models 1= 1931 ; 1= 1932 ; 1= 1933? ; 6= 1933 ; 1= 1934? ; 3= 1934 ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14

Collection of

 
lissen_l2.jpg

L2
 

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