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866A

Information - Help 
ID = 5820
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Half-Wave Mercury-Vapor Rectifier   Power-supply 
Identical to 866A = CE-866 = GU12 = RK866A = GL866A = VT-46A = DQ2 = RG3-250A = 2XM600A = P600_Mazda = AG866A = ML-866A = DR-866A = WL-866A
Similar Tubes
Normally replaceable-slightly different:
  38166A ; DCG3/1000E ; PH600 ; R3_Rectobulb ; TL1_thermionic ; VH550a
Other class quality (otherwise equal):
  866AX ; CV32
Other base:
  866E
Multiple differences or of other kind:
  3B28 ; DCG4/1000G ; DCX4/1000 ; R66 ; SS-866A

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Br) Top contact with a cap.
Was used by Transmittertube (Radio)
Filament Vf 2.5 Volts / If 5 Ampere / Direct / Specified voltage AC/DC
Description

Work started on the development of this tube at the GE laboratories in the summer of 1932 and it was assigned the type number early in 1933. It was released to the public in April of that year.

 
Dimensions (WHD)
incl. pins / tip
x 159 x 64 mm / x 6.26 x 2.52 inch
Tube prices 7 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
Tube Lore (II)   p. 80
- - Manufacturers Literature
Taschenbuch zum Röhren-Codex 1948/49
  866-a.png
  866A
Egon Strampe
    More ...
 
866a_2.jpg
866A: Taylor
Georges Werts

More ...
 
866a_so.png
866A: ARRL Handbook 1972
Michael Schlör

 
866a_2.png
866A: Handbook Raytheon amateur tubes
Miguel Angel Trujillo-Rodriguez

More ...

from Just Qvigstad

Usage in Models 1= 1938 ; 1= 1939 ; 1= 1943? ; 1= 1944 ; 1= 1946 ; 1= 1947? ; 1= 1949 ; 1= 1950 ; 1= 1954?? ; 1= 1954 ; 3= 1956 ; 1= 1957?? ; 1= 1957? ; 1= 1957 ; 1= 1960?? ; 1= 1960? ; 1= 1961? ; 1= 1963

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20



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