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ID = 5681
Tube type:  Beam Power Tube   Power/Output 
Identical to 25CD6G
Similar Tubes
Other shape (e.g. bulb type):
  25CD6 ; 25CD6GA ; 25CD6GB
Heater different:
  50CD6G ; 6CD6G

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Radio/TV-reception etc.
Filament Vf 25 Volts / If 0.6 Ampere / Indirect / Series, AC/DC
Information source Essential Characteristics, GE 1973   
25CD6G: RTT Schwandt
Günther Stabe † 19.8.20


from Just Qvigstad

Usage in Models 10= 1957?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):10

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