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ID = 10840
United States of America (USA)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transmitting Tube, Pentode, air cooled   Power/Output 
Identical to 837 = VT-101
Similar Tubes
Normally replaceable-slightly different:
  318A ; RK44
Other class quality (otherwise equal):

Base 7-Pin-Base U7B = medium, old, USA (Codex=Mc) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 12.6 Volts / If 0.7 Ampere / Indirect / Specified voltage AC/DC
Dimensions (WHD)
incl. pins / tip
x 146 x 52 mm / x 5.75 x 2.05 inch
Tube prices 3 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 78
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 412, p. 922
Taschenbuch zum Röhren-Codex 1948/49

837_so.png 837: ARRL Handbook 1972
Anonymous 10 Collector

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Just Qvigstad
837: RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez

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Usage in Models 2= 1940? ; 1= 1941?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of



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