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ID = 21198
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Transmitting Triode, air cooled 
Identical to RS31g = MT31
Similar Tubes
Normally replaceable-slightly different:

Base Top contact with a cap.
Filament Vf 10 Volts / If 4.8 Ampere / Direct
Description Telefunken Senderöhre 65 Watt, RS31g (RS 31 g) 
Dimensions (WHD)
incl. pins / tip
65 x 210 x mm / 2.56 x 8.27 x inch
Weight 250 g / 8.82 oz
Tube prices 6 Tube prices (visible for members only)
RS31g: Eigenes Bild
Anonymous 971 Collector

RS31g: Röhren Handbuch 1995 Franzis-Verlag
Heinz Höger

RS31g: Telefunken
Robert Schmalstieg

Usage in Models 1= 1928

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

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