radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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? ; 9= 1956 ; 11= 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

 
12x4_08r.jpg

12X4
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information