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VT-2

Information - Help 
ID = 14981
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to VT-2 = WE205B = 205B = 205A = CW-931 = E_Western
First year 1918 Radiokatalog Band 1, 2. Auflage
Predecessor Tubes K_Western   202A  
Successor Tubes 205B  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=F)
Was used by Military and/or Government
Filament Vf 7 Volts / If 1.35 Ampere / Direct / Battery =
Description

Output power: 5 Watt at 300 Volt.
This was developed by Western Electric in 1917 for The Signal Corps. Rare earth coated filament. Filament voltage fom 6.5 to 7.5 volts, adjusted for the rated filament current.

 
Tube prices 9 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   
Saga of the Vacuumtube, Tyne   p.100 , 101 et al
Tube Lore
 
usa_we_vt2_type_205b_tube_davidandrews_tubes_a.jpg
VT-2: Davidandrews-tubes via Robin Roeckers
Roy Johnson

 
uv_triode_tube~~48.png
VT-2: Fin Stewart
Fin Stewart

 

Usage in Models 2= 1918 ; 1= 1920? ; 1= 1922? ; 1= 1929

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):5



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