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ID = 2698
Brand: SER, AB Svenska Elektronrör (before Svenska Radio AB); Stockholm
Tube type:  Triode-Heptode   Frequency converter 
Identical to 6J9SG
Similar Tubes
Normally replaceable-slightly different:
Heater different:

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.4 Ampere / Indirect / Specified voltage AC/DC
Description Further data to this triode-heptode are unknown to us by now.
If you have more data, please post them to us.
There is also a Compactron Triple-Triode 6J9 (USA)
Text in other languages (may differ)

6j9sgmbasdiag2_1.png 6J9SG: schematic diagram
Jacob Roschy

Just Qvigstad
Usage in Models 3= 1940?? ; 15= 1945? ; 6= 1945 ; 1= 1946?? ; 1= 1946? ; 8= 1946 ; 1= 1948?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):35

Collection of

Collection of a member from D


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