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ID = 39978
Tube type:  Double Diode-Pentode   Universal 
Identical to 1K6
Similar Tubes
Other base and data slightly different:

Base 6-Pin-Base U6A, old, USA Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.12 Ampere / Direct / Battery =
Information source Babani, International Radio Tube Encyclopaedia   

1k6_pin_connections.png 1K6: SI
Stuart Irwin

Just Qvigstad
Usage in Models 11= 1936 ; 112= 1937 ; 1= 1938? ; 69= 1938 ; 1= 1939? ; 9= 1939

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):203

Collection of



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