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VT-2

Información - Ayuda 
ID = 14981
       
País:
Estados Unidos
Marca:
Diseñador: Western Electric Company Inc.; New York (NY) 
Tipo:  Transmitting Triode, air cooled   Power/Output 
Idéntica a VT-2 = E_Western = WE205B = 205B = 205A = CW-931
Primera serie 1918 Radiokatalog Band 1, 2. Auflage
Válvulas Predecesoras K_Western   202A  
Válvulas Sucesoras 205B  
Base UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=F)
Usada en Militaire et/ou Services Publics
Filamento Vf 7 Volt / If 1.35 Ampere / Direct / Battery =
Descripción

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.

Originally produced with the bayonet locking pin turned at a 45 degree angle to other Western Electric tubes. Commonly referred to as the Signal Corps - Navy pin base. This was to prevent accidental use of low power tubes, causing burnout. You will find many tubes on the market today with the pins ground off, some being relocated to allow locking in to other sockets.

See Tyne's "Saga of the Vacuum Tube", page 287.

 
Precios de válvulas 10 Precios de válvulas (visible solo para miembros)
Literatura Taschenbuch zum Röhren-Codex 1948/49   
Saga of the Vacuum Tube, Tyne   p.100 , 101 et al
Tube Lore (I)
205e_sockel~~3.png VT-2: nach Western Electric 1933
Robert Schmalstieg
Mas ...
Just Qvigstad
Uso en Modelos 2= 1918 ; 1= 1920? ; 1= 1922? ; 1= 1925? ; 1= 1929
Número de modelos en Radiomuseum.org con esta válvula:6
Museo "National Electronics Museum and System Source Computer Museum"
Museo "Fondo per gli Studi di Storia delle Scienze"
Museo "Museo della Radio e della Fotografia"

Colección personal de

Emilio Ciardiello (I)
Robert Gillespie (USA)
Valery Gromov (RUS)
Mario Giamboni (CH)
Colección personal de un miembro de I
 
vt2_2.jpg

VT-2
 
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