Antique radios, Old Time Radios

VT-2

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 = E_Western = WE205B = 205B = 205A = CW-931

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

10 Tube prices (visible for members only)

Information source

Taschenbuch zum Röhren-Codex 1948/49
Saga of the Vacuum Tube, Tyne p.100 , 101 et al
Tube Lore (I)


VT-2: Fin Stewart Fin Stewart	Just Qvigstad

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

Museum "National Electronics Museum"

Museum "Museo della Radio e della Fotografia"

Museum "Fondo per gli Studi di Storia delle Scienze"

Collection of

Emilio Ciardiello (I)

Robert Gillespie (USA)

Valery Gromov (RUS)

Mario Giamboni (CH)

Collection of a member from I

VT-2

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