55, Tube 55; Röhre 55 (55)

Antique radios, Old Time Radios

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Double Diode-Triode Audio Frequency

Tube ID = 2972


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Identical to	55 = UZ-55 = A255
Similar Tubes	85 (Heater different)
First Series	1931 Radios von gestern
First Source (s)	Sep.1932 : -- Collector info (Sammler)
Successor Tubes	85 6R7GT

Base	6-Pin-Base U6A, old, USA (Codex=Ka)
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


	Internet Miguel Angel Trujillo-Rodriguez

TreLe
Trev Levick

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models	13= 1931? ; 3= 1931 ; 8= 1932?? ; 27= 1932? ; 107= 1932 ; 10= 1933?? ; 11= 1933? ; 85= 1933 ; 5= 1934?? ; 8= 1934? ; 43= 1934 ; 4= 1935?? ; 2= 1935? ; 14= 1935 ; 1= 1936?? ; 1= 1936? ; 5= 1936 ; 2= 1937 ; 1= 1938?? ; 1= 1942 ; 2= 1945? ; 1= 1947?? ; 1= 1948?? ; 8= 9999 ;
Number of Models with this tube 363

No further Information for

55

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