56, Tube 56; Röhre 56 (56)

Antique radios, Old Time Radios

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Triode, vacuum Universal

Tube ID = 2680


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Identical to	56 = A256 = G56 = ER56 = VT-56
Similar Tubes	76 (Heater different) 6P5G (Other base and other base diagram)
First Source (s)	1932 : The AWA Review Vol. 7, 1992. Jun.1932 : -- Collector info (Sammler)
Predecessor Tubes	27
Successor Tubes	76 6P5G

Base	UY-Base, 5 Pins (USA, April 1927) (Codex=H)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel, (AC/DC) / If: 1 Ampere / Vf 2.5 Volts /
Tube prices	0 Tube prices (visible for members only)
Literature	Essential Characteristics, GE 1973 Taschenbuch zum Röhren-Codex 1948/49


	Courtesy Bureau Belper (De Muiderkring, Bussum) Michael Schlör

KoBi
Konrad Birkner

Variants

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models	1= 1929 ; 1= 1930?? ; 1= 1930? ; 29= 1931? ; 8= 1931 ; 13= 1932?? ; 46= 1932? ; 304= 1932 ; 28= 1933?? ; 33= 1933? ; 241= 1933 ; 28= 1934?? ; 20= 1934? ; 95= 1934 ; 9= 1935?? ; 9= 1935? ; 44= 1935 ; 14= 1936?? ; 4= 1936? ; 9= 1936 ; 3= 1937?? ; 7= 1937 ; 2= 1938?? ; 1= 1938 ; 1= 1939?? ; 1= 1939? ; 1= 1939 ; 1= 1940? ; 3= 1949?? ; 11= 9999 ;
Number of Models with this tube 968

Variants
A. De Poi's collection Alessandro De Poi	56*violet glass The 56 type tube used to be made in a distinctive violet glass by early FIVRE production. Although color is violet, these tubes are commonly referred and known as "red Fivre tubes". 03.Dec.2007 Alessandro De Poi

No further Information for

56

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Variants

56*violet glass

56