7Y4, Tube 7Y4; Röhre 7Y4 (7Y4)

Antique radios, Old Time Radios

7Y4

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	Full-Wave Vacuum Rectifier

Tube ID = 3263


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Identical to	7Y4 = CV901
Similar Tubes	84/6Z4 (other base) 6Z4/84 (other base) 6Z4 (other base) 84 (other base) 1274 (other base and data slightly different)
First Source (s)	09.Dec.1938 : Electron Tube Registration List
Predecessor Tubes	84/6Z4 6ZY5G 6Z4/84 6Z4 84
Successor Tubes	6X4

Base	Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Was used by	Radio/TV-reception etc.
Filament	-: Indirect / -: Parallel, (AC/DC) / If: 0.5 Ampere / Vf 6.3 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), Scan Frank Philipse Michael Schlör

scc
Christian Schaufelberger

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models

1= 1938 ; 1= 1939? ; 18= 1939 ; 21= 1940 ; 33= 1941 ; 4= 1942 ; 2= 1945? ; 1= 1945 ; 3= 1946? ; 4= 1946 ; 4= 1947? ; 2= 1947 ; 4= 1948?? ; 2= 1948? ; 20= 1948 ; 2= 1949?? ; 9= 1949? ; 7= 1949 ; 3= 1950?? ; 6= 1950? ; 17= 1950 ; 3= 1951?? ; 4= 1951? ; 1= 1951 ; 5= 1952? ; 3= 1952 ; 1= 1953?? ; 4= 1953 ; 1= 1954?? ; 4= 1955?? ; 1= 1959 ; 4= 9999 ;

Number of Models with this tube 195

No further Information for

7Y4

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