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ID = 6569
Great Britain (UK)
Brand: Lissen Ltd.; London and Richmond, Surrey
Tube type:  Triode, vacuum   Power/Output 
Identical to B2_Lissen = B228

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

Designed for class B operation (2 required) with an L2 driver tube. 2W output with Va=150, Vg=0.

Dimensions (WHD)
incl. pins / tip
47 x 113 x 36 mm / 1.85 x 4.45 x 1.42 inch
Information source Wireless World (The), London (WW, 79)   1933 data book.
- - Manufacturers Literature   1930

s_397_g_2.gif B2_Lissen: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

Just Qvigstad
B2_Lissen: own collection
Peter den Boer

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