Antique radios, Old Time Radios

6X4

ID = 3258

Country:

Worldwide

Brand:	Common type Worldwide tube/semicond. Common type Worldwide tube/semicond. RCA Victor Radio S.A., São Paulo Tung-Sol Electric Inc.; Newark (NJ)
Developer:	Tung-Sol Electric Inc.; Newark (NJ)
Tube type:	Full-Wave Vacuum Rectifier Power-supply

Identical to

6X4 = 6Z31 = EZ90 = CV493 = U78 = V2M70 = U707

Similar Tubes

Other class quality (otherwise equal):

6063 ; 6X4W ; CV4005

Different maximum ratings:

6202 ; 6BX4 ; 6X4WA

Heater different:

12X4 ; 5993

Different connections:

6Z4_China ; 6Ц4П

Other base:

6X5 ; 6X5GT ; EZ40A

Other base and data slightly different:

CV4001

Other base and other heater:

GZ41

First Source (s)

20.Feb.1946 : Electron Tube Registration List 475

Predecessor Tubes

6X5 6X5GT 6X5G 7Y4

Successor Tubes

6BX4 EZ90 5993 6203

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 / Specified voltage AC/DC

Description

Originally intended for automobile receivers.

Tube prices

6 Tube prices (visible for members only)

Information source

Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49

6X4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Anonymous 10 Collector More ...
6X4: 6X4 GE Data Sheet 5-58 Vitor Oliveira More ...	Just Qvigstad	6X4: RCA Tube Manual Peter Hoddow More ...

Usage in Models

1= 1936?? ; 2= 1945?? ; 3= 1946?? ; 3= 1946? ; 1= 1946 ; 4= 1947?? ; 2= 1947? ; 2= 1947 ; 11= 1948?? ; 7= 1948? ; 29= 1948 ; 14= 1949?? ; 29= 1949? ; 66= 1949 ; 75= 1950?? ; 31= 1950? ; 91= 1950 ; 24= 1951?? ; 78= 1951? ; 130= 1951 ; 38= 1952?? ; 49= 1952? ; 120= 1952 ; 38= 1953?? ; 44= 1953? ; 123= 1953 ; 28= 1954?? ; 62= 1954? ; 145= 1954 ; 59= 1955?? ; 61= 1955? ; 125= 1955 ; 28= 1956?? ; 66= 1956? ; 119= 1956 ; 14= 1957?? ; 92= 1957? ; 51= 1957 ; 15= 1958?? ; 146= 1958? ; 142= 1958 ; 6= 1959?? ; 75= 1959? ; 95= 1959 ; 70= 1960?? ; 24= 1960? ; 19= 1960 ; 8= 1961?? ; 19= 1961? ; 30= 1961 ; 9= 1962?? ; 18= 1962? ; 22= 1962 ; 6= 1963?? ; 16= 1963? ; 27= 1963 ; 3= 1964?? ; 7= 1964? ; 16= 1964 ; 24= 1965?? ; 7= 1965? ; 8= 1965 ; 3= 1966?? ; 2= 1966? ; 3= 1966 ; 3= 1967?? ; 1= 1967? ; 5= 1967 ; 2= 1968?? ; 4= 1968? ; 2= 1968 ; 2= 1969?? ; 2= 1969? ; 2= 1969 ; 5= 1970?? ; 1= 1970? ; 2= 1971? ; 1= 1972?? ; 2= 1975?? ; 1= 1975? ; 6= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2726

Collection of

6X4

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6X4

Common type Worldwide tube/semicond.

Collection of