Antique radios, Old Time Radios

205D

ID = 19733

Country:

United States of America (USA)

Brand:	Western Electric Company Inc.; New York (NY)
Developer:	Western Electric Company Inc.; New York (NY)
Tube type:	Triode, vacuum Power/Output
	Ca. 1925 up to 1945 rare.

Identical to

205D = CV1749 = 205 = R205-D

Similar Tubes

Other shape (e.g. bulb type):

205F ; 305D

Normally replaceable-slightly different:

205E ; 405D ; M4205E

First year

1924 Saga of the Vacuumtube, Tyne

Successor Tubes

205E D-97822 D-156734

Base	UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by	Industrial
Filament	Vf 4.5 Volts / If 1.6 Ampere / Direct / Parallel, (AC/DC)
Description	Locking pin rotated by 45° to prevent damage to other tubes put into the socket. Productions by Amperex, STC and WE reported. Originally used in cinema and theatre amplifiers.
Dimensions (WHD) incl. pins / tip	45 x x mm / 1.77 x x inch
Tube prices	7 Tube prices (visible for members only)
Literature	Tube Lore Saga of the Vacuumtube, Tyne

205D: K.H.Fischer
Karlheinz Fischer

205D: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe

205D: KoBi
Konrad Birkner † 12.08.2014

Usage in Models

1= 1924?? ; 1= 1924? ; 4= 1925? ; 2= 1928? ; 2= 1928 ; 3= 1929?? ; 1= 1930??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14

Museum "Primeo Energie-Elektrizitätsmuseum"

Collection of Karlheinz Fischer (D)

Collection of Rudolf Osterkamp (D)

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