Antique radios, Old Time Radios

7C7

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Vacuum Pentode Universal

Tube ID = 2727


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Identical to	7C7 = VT-193
Similar Tubes	Normally replaceable-slightly different: 7C7E Other base: 6W7G
First Source (s)	31.Mar.1931 : Electron Tube Registration List
Predecessor Tubes	6W7G
Successor Tubes	6BH6

Base	Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.15 Ampere / -: Indirect / -: Parallel / series AC/DC /
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), Scan Frank Philipse Michael Schlör

M.F.
Manfred Fries

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)	25= 1939 ; 13= 1940 ; 1= 1941?? ; 19= 1941 ; 19= 1942 ; 1= 1944? ; 1= 1946?? ; 2= 1946? ; 18= 1946 ; 2= 1947?? ; 11= 1947? ; 13= 1947 ; 10= 1948 ; 1= 1949?? ; 3= 1950?? ; 2= 1952?? ; 1= 1955?? ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 142

No further Information for

7C7

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