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ID = 13930
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Double Triode   VHF 
Identical to CV858 = 6J6W
Similar Tubes
Other class quality (otherwise equal):
Other base and data slightly different:

Base Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Zy)
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Parallel, (AC/DC) /
Literature Taschenbuch zum Röhren-Codex 1948/49   

CV858: Private collection
Emilio Ciardiello

CV858: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 1= 1955?? ; 1= 1956?

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

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