6X4, Tube 6X4; Röhre 6X4 (6X4)

Antique radios, Old Time Radios

6X4

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

Tube ID = 3258


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Identical to	6X4 = 6Z31 = EZ90 = CV493 = 80BK = KX-80BK
Similar Tubes	Normally replaceable-slightly different: U78 Other class quality (otherwise equal): 6063; 6X4W; CV4005 Different maximum ratings: 6202; 6BX4 Heater different: 12X4 Different connections: 6z4p Other base: 6X5; 6X5GT; EZ40A Other base and data slightly different: CV4001 Other base and other base diagram: GZ41 Multiple differences or of other kind: 6X4WA
First Source (s)	20.Feb.1946 : Electron Tube Registration List
Predecessor Tubes	6X5 6X5GT 6X5G 7Y4
Successor Tubes	6BX4 EZ90 5993

Base	Miniatur-7-Pin-Base B7G, USA 1940 (Codex=Za)
Was used by	Radio/TV-reception etc.
Filament	Vf 6.3 Volts / If: 0.6 Ampere / -: Indirect / -: Parallel, (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

Collection JR
Jacob Roschy

6X4 GE Data Sheet 5-58
Vitor Oliveira

RCA Tube Manual
Peter Hoddow

Usage in Models (calculation each 25th of the month)

1= 1939?? ; 1= 1940 ; 2= 1945?? ; 1= 1945? ; 2= 1946?? ; 1= 1946? ; 1= 1947? ; 8= 1948?? ; 1= 1948? ; 12= 1948 ; 8= 1949?? ; 14= 1949? ; 43= 1949 ; 25= 1950?? ; 13= 1950? ; 52= 1950 ; 12= 1951?? ; 59= 1951? ; 86= 1951 ; 21= 1952?? ; 26= 1952? ; 59= 1952 ; 28= 1953?? ; 32= 1953? ; 47= 1953 ; 14= 1954?? ; 29= 1954? ; 50= 1954 ; 35= 1955?? ; 19= 1955? ; 52= 1955 ; 12= 1956?? ; 19= 1956? ; 22= 1956 ; 7= 1957?? ; 37= 1957? ;

Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 1154

No further Information for

6X4

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