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6X4

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ID = 3258
       
Country:
Worldwide
Brand:
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
Different connections:
  6Z4_China ; 6Ц4П
Other base:
  6X5 ; 6X5GT ; EZ40A
Other base and data slightly different:
  CV4001
Other base and other heater:
  5993 ; 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.png
6X4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Anonymous 10 Collector
6x4basediagram.png 6X4: 6X4 GE Data Sheet 5-58
Vitor Oliveira
More ...
Just Qvigstad 		6x4_techdat01.png
6X4: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 1= 1936?? ; 2= 1945?? ; 3= 1946?? ; 3= 1946? ; 1= 1946 ; 4= 1947?? ; 2= 1947? ; 5= 1947 ; 13= 1948?? ; 12= 1948? ; 34= 1948 ; 15= 1949?? ; 36= 1949? ; 63= 1949 ; 77= 1950?? ; 46= 1950? ; 89= 1950 ; 25= 1951?? ; 114= 1951? ; 116= 1951 ; 39= 1952?? ; 87= 1952? ; 118= 1952 ; 36= 1953?? ; 62= 1953? ; 136= 1953 ; 28= 1954?? ; 67= 1954? ; 154= 1954 ; 62= 1955?? ; 63= 1955? ; 136= 1955 ; 31= 1956?? ; 68= 1956? ; 126= 1956 ; 14= 1957?? ; 97= 1957? ; 59= 1957 ; 16= 1958?? ; 153= 1958? ; 151= 1958 ; 10= 1959?? ; 76= 1959? ; 95= 1959 ; 78= 1960?? ; 30= 1960? ; 23= 1960 ; 9= 1961?? ; 19= 1961? ; 34= 1961 ; 12= 1962?? ; 22= 1962? ; 23= 1962 ; 6= 1963?? ; 17= 1963? ; 27= 1963 ; 3= 1964?? ; 8= 1964? ; 18= 1964 ; 31= 1965?? ; 7= 1965? ; 9= 1965 ; 4= 1966?? ; 2= 1966? ; 3= 1966 ; 3= 1967?? ; 1= 1967? ; 5= 1967 ; 3= 1968?? ; 4= 1968? ; 2= 1968 ; 3= 1969?? ; 2= 1969? ; 2= 1969 ; 6= 1970?? ; 2= 1971? ; 1= 1972?? ; 2= 1975?? ; 1= 1975? ; 7= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2974

Collection of

Thomas Loidl (A)
Wolfgang Bauer (A)
Museum Roggenhofer (A)
David Erali (USA)
Baptiste Hobbe (CDN)
George Papaiz (CDN)
Keith Ellison (AUS)
Aldo Patriarca (CH)
Bruno Candreia (CH)
Martin Bösch (CH)
Christian Schaufelberger (CH)
Bekir Yurdakul (F)
Patrice Zeissloff (F)
Jacky Parmentier (F)
Howard Craven (GB)
Aurelio Garcia Garcia (E)
Paolo Stigliano (I)
Franco Antolini (I)
Marcello Astolfi (I)
Georges Werts (B)
Jozef Brughmans † (B)
Antonio Rabitti (BR)
Collection of a member from FIN
Danko Tkalec (HR)
Frank Cuffe (IRL)
Tor Steinnes (N)
Vitor Oliveira (P)
Aires Gomes (P)
Tomasz Szczesniak (PL)
Stig Comstedt (S)
Lars Nord (S)
Jacob Roschy (D)
Oskar Elm (D)
Andreas Schulz (D)
Collection of a member from D
Peter Pfeiffer (D)
Jürgen Küting (D)
Götz Linss † 27.06.21 (D)
Ottmar Rollmann (D)
Karl - Heinz Bossan (D)
Siegfried Neumann (D)
Alois Wolf (D)
Ulrich Fieseler (D)
Jan Peter Brömme (D)
Karlheinz Fischer (D)
 
6x4_ra.jpg

6X4
 
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