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833A

Information - Help 
ID = 17021
       
Country:
Worldwide
Brand:
Tube type:  Transmitting Triode, air cooled 
Identical to 833A = GL833A = ML-833A = 38833 = OT400
Similar Tubes
Normally replaceable-slightly different:
  3C/402E ; CV635 ; ES833A ; TY4-350 ; ГУ-48
Different maximum ratings:
  833C
Differences not known by us:
  WL833A
Multiple differences or of other kind:
  E1200
Predecessor Tubes 833  

Base SPECIAL TUBEBASE in general (Codex=sp) 2 Top contacts.
Filament Vf 10 Volts / If 10 Ampere / Direct
Description

Improved 833: thoriated-tungsten filament, Zr-coated plate, uprated to 400W with forced air cooling.
Cunningham, GE, Machlett, RCA, Svetlana, Taylor, United some of the manufacturers.

 
Dimensions (WHD)
incl. pins / tip
117 x 220 x mm / 4.61 x 8.66 x inch
Weight 545 g / 19.22 oz
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Tube Lore (I)   
  833a_rca_use1.png
  833A: RCA TT5
Götz Linss
 
833a_1.jpg
833A: K.H.Fischer
Karlheinz Fischer

 
833a_so.png
833A: ARRL Handbook 1972
Michael Schlör

 
833a_1.png
833A: RCA Transmitting Tubes TT-5
Emilio Ciardiello


Usage in Models 1= 1957

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


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