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12X4

Information - Help 
ID = 5455
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Full-Wave Vacuum Rectifier 
Identical to 12X4
Similar Tubes
Heater different:
  6X4
Other base:
  14Y4
First Source (s)
09.Jul.1952 : Electron Tube Registration List
Predecessor Tubes 12Z5   6Z5/12Z5   14Y4   12Z3  
Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 12.6 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 3 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
12x4.png
12X4: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
6x4basediagram~~4.png 12X4: 6X4 GE Data Sheet 5-58
Vitor Oliveira
More ...
Just Qvigstad 		12x4_techdat01.png
12X4: RCA Tube Manual
Peter Hoddow
More ...
Usage in Models 1= 1952?? ; 4= 1952? ; 1= 1953? ; 5= 1954? ; 1= 1954 ; 29= 1955? ; 3= 1955 ; 2= 1956?? ; 18= 1956? ; 8= 1956 ; 12= 1957? ; 30= 1957 ; 5= 1958? ; 18= 1958 ; 1= 1959?? ; 20= 1959? ; 10= 1959 ; 1= 1960?? ; 3= 1960? ; 1= 1960 ; 1= 1961? ; 1= 1961 ; 3= 1962? ; 2= 1962 ; 1= 1963? ; 1= 1963 ; 1= 1964? ; 1= 1964 ; 1= 1966?? ; 2= 1971? ; 1= 1981
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):188

Collection of

Karlheinz Fischer (D)
Carlos A. Pieroni-García (ROU)
Collection of a member from FIN
Peter Pfeiffer (D)
George Papaiz (CDN)
Jacob Roschy (D)
João-Afonso Santos (P)
 
12x4_08r.jpg

12X4
 
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