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805

Information - Help 
ID = 20387
       
Country:
United States of America (USA)
Brand:
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to 805 = 331A = C805
Similar Tubes
Normally replaceable-slightly different:
  905 ; A-331 ; FU-5 ; RK57 ; VT143
Other class quality (otherwise equal):
  CV625 ; VT-143

Base Jumbo 4-pin bayonet (1918) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.2 Ampere / Direct / Specified voltage AND current AC/DC
Description

High-mu transmitting triode, graphite anode. 125W plate power. Full ratings operation up to 30MHz, up to 120MHz at reduced input; also used as class B modulator. Jombo 4-pin base.
Amperex, GE, National Union, Raytheon, Taylor and Westinghouse known manufacturers.

 
Dimensions (WHD)
incl. pins / tip
x 221 x 64 mm / x 8.70 x 2.52 inch
Tube prices 2 Tube prices (visible for members only)
Information source Tube Lore (I)   
- - Manufacturers Literature   RCA TT-5
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices

805_usch_1.png
805: rsgb handbook
Anonymous 10 Collector

805_so_1.png 805: ARRL Handbook 1972
Anonymous 10 Collector

More ...

Just Qvigstad
805.png
805: RCA Technical Manual TT3
Miguel Angel Trujillo-Rodriguez

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Usage in Models 1= 1945??

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

Collection of

 
805_chs.jpg

805
 

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