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850

Information - Help 
ID = 20376
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Transmitting Tetrode, air cooled   Power/Output 
Identical to 850 = UV850
Similar Tubes
Normally replaceable-slightly different:
  38150 ; FP-57 ; VT-60

Base Jumbo 4-pin bayonet (1918) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3 Ampere / Direct / Specified voltage AC/DC
Description

Variant of 203A with side grid cap. Gm 2.75mS, 13MHz.
GE, RCA and Westinghouse known sources.

 
Dimensions (WHD)
incl. pins / tip
x 210 x 55 mm / x 8.27 x 2.17 inch
Information source Tube Lore (I)   
- - Manufacturers Literature   RCA Technical Series TT-2 1934
Tube Lore (II)

850_sock.png 850: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

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

More ...

Collection of

 
rca_850_nw.jpg

850
 

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