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ID = 8278
Great Britain (UK)
Brand: Lissen Ltd.; London and Richmond, Surrey
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
Identical to U650
First Source (s)
1930 : History of the British Radio Valve to 1940 P. 169

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.5 Ampere / Direct
Dimensions (WHD)
incl. pins / tip
43 x 112 x mm / 1.69 x 4.41 x inch
Weight 40 g / 1.41 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1930

u650_lissen_sockel_rr.gif U650: RR
Reinhard Riek

Just Qvigstad
U650: own collection
Peter den Boer

Usage in Models 1= 1932 ; 2= 1933 ; 1= 1934 ; 1= 1935?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

Collection of



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