7B7, Tube 7B7; Röhre 7B7 (7B7)

Antique radios, Old Time Radios

7B7

Country:	United States of America (USA)		Brand:	Common type USA
			Tube type:	PENTODE Controlling (mu)

Tube ID = 2855


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Identical to	7B7
Similar Tubes	6SS7 (other base) 6SS7GT (other base) 7B7E (can normally be replaced - small diff'ce)
First Source (s)	09.Dec.1938 : Electron Tube Registration List
Predecessor Tubes	6S7G
Successor Tubes	6BJ6

Base	Loctal-8, B8G (Sylvania, 1938) (Codex=W)
Filament	-: Indirect / -: Parallel / series AC/DC / If: 0.15 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

Timo Tuunanen

Telefunken Werkstattbuch
Wolfgang Bauer

Sylvania Technical Manual
Peter Hoddow

Usage in Models

12= 1938 ; 1= 1939?? ; 83= 1939 ; 2= 1940?? ; 2= 1940? ; 61= 1940 ; 1= 1941? ; 71= 1941 ; 2= 1942?? ; 3= 1942 ; 3= 1945? ; 1= 1945 ; 1= 1946?? ; 11= 1946? ; 25= 1946 ; 3= 1947?? ; 4= 1947? ; 16= 1947 ; 4= 1948?? ; 2= 1948? ; 44= 1948 ; 3= 1949?? ; 5= 1949? ; 16= 1949 ; 5= 1950?? ; 1= 1950? ; 12= 1950 ; 4= 1951? ; 8= 1951 ; 3= 1952?? ; 1= 1952? ; 7= 1952 ; 2= 1953?? ; 8= 1953 ; 1= 1954?? ; 1= 1954? ;

Number of Models with this tube 457

No further Information for

7B7

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