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ID = 15412
United States of America (USA)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 811 = VT-217
Similar Tubes
Normally replaceable-slightly different:
  FU-811 ; Г811
Other class quality (otherwise equal):
  811-10 ; 811-3 ; CV628
Different maximum ratings:
Predecessor Tubes TZ5  
Successor Tubes 811A  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 6.3 Volts / If 4 Ampere / Direct / Specified voltage AC/DC

Thoriated-tungsten filament, 40W plate dissipation; mu 160, 60MHz max operating frequency.

Dimensions (WHD)
incl. pins / tip
x 166 x 62 mm / x 6.54 x 2.44 inch
Tube prices 3 Tube prices (visible for members only)
Information source Tube Lore (II)   p. 76
Tube Lore (I)   
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

811_so.png 811: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
Usage in Models 1= 1940? ; 1= 1943?? ; 1= 1948??

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

Collection of



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