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X99

Information - Help 
ID = 6380
       
Country:
United States of America (USA)
Brand:
Developer: General Electric Co. (GE); Bridgeport CT, Syracuse NY 
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to X99 = TCX199 = SX199 = TSX199 = AX199 = MX199 = 57TX99 = ER-X199 = UX199 = UX99 = UX-199_code9 = 299 = 199_UX = DX199 = NX-199
Similar Tubes
Other base:
  V99

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 3.3 Volts / If 0.06 Ampere / Direct / Battery =
Description

Direct heated 3,3-V-Triode for dry batteries: 99 = UX199 = CX299 = X99 = V99 = UV199.

 
Dimensions (WHD)
incl. pins / tip
x 90 x 25 mm / x 3.54 x 0.98 inch
Weight 29 g / 1.02 oz
Literature Babani, International Radio Tube Encyclopaedia   
Taschenbuch zum Röhren-Codex 1948/49   
  x99_1.png
  X99: ficha de valvulas
Getulio Jimenez-Gomez
 
usa_rca_x99.jpg
X99: Ebay Seller antiquetriode Item 170822836464
Franz Scharner

 
171_25.png
X99: Telefunken Werkstattbuch
Wolfgang Bauer

 
x99_01.png
X99: Cunningham Radiotron Manual
Peter Hoddow


Usage in Models 1= 1925?? ; 1= 1925 ; 1= 1927? ; 2= 1928 ; 2= 1929 ; 1= 1930? ; 1= 1934 ; 1= 1954?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10


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