Antique radios, Old Time Radios

50

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

Tube ID = 2677


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Identical to	50 = VT-50 = 150_Arcturus = A750 = SO-2
Similar Tubes	Normally replaceable-slightly different: 38050; L50
First Series	1928 Radios von gestern
First Source (s)	May.1928 : -- Collector info (Sammler)

Base	UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by	Radio/TV-reception etc.
Filament	Vf 7.5 Volts / If: 1.25 Ampere / -: Direct / -: Parallel, (AC/DC) /
Description	25 Watt
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

K.H.Fischer
Karlheinz Fischer

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	1= 1928?? ; 10= 1928 ; 2= 1929?? ; 8= 1929? ; 9= 1929 ; 2= 1930?? ; 2= 1930 ; 1= 1931? ; 1= 1931 ; 1= 1932?? ; 8= 1932? ; 2= 1932 ; 7= 1933 ; 2= 1934?? ; 1= 1934 ; 2= 1935?? ; 2= 1935 ; 1= 1936?? ; 3= 1936? ; 1= 1937?? ; 1= 9999 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 67

No further Information for

50

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