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12X4 Info
Country:  United States of America (USA)      Brand:  Common type USA 
  Tube type:  Full-Wave Vacuum Rectifier 
Tube ID = 5455
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Identical to 12X4
Similar Tubes 6X4 (Heater different)   14Y4 (other base)  
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
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.3 Ampere / Vf 12.6 Volts /
Tube prices 0 Tube prices (visible for members only)
Literature Essential Characteristics, GE 1973   

  12x4.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
12x4_a_z_r.jpg
Collection JR
Jacob Roschy

 
6x4basediagram.png
6X4 GE Data Sheet 5-58
Vitor Oliveira

 
12x4_techdat01.png
RCA Tube Manual
Peter Hoddow

Usage in Models   3= 1952? ; 3= 1954? ; 1= 1954 ; 23= 1955? ; 2= 1955 ; 2= 1956?? ; 5= 1956? ; 9= 1956 ; 1= 1957? ; 3= 1957 ; 2= 1958 ; 1= 1959? ; 4= 1960 ; 1= 1966?? ;
Number of Models with this tube   60
No further Information for

12X4    

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02DecX