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6CA4

Information - Help 
ID = 4706
       
Country:
United States of America (USA)
Brand:
Tube type:  Full-Wave Vacuum Rectifier 
Identical to 6CA4 = EZ81
First Source (s)
27.Aug.1956 : Electron Tube Registration List
Predecessor Tubes 6AX5GT  

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

6ca4.png
6CA4: Internet
Miguel Angel Trujillo-Rodriguez

ez81.png 6CA4: Telefunken Röhrenhandbuch
Wolfgang Bauer

More ...

Just Qvigstad
6ca4_techdat01.png
6CA4: RCA Tube Manual
Peter Hoddow

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Usage in Models 1= 1953?? ; 1= 1954?? ; 3= 1955?? ; 1= 1956?? ; 2= 1957? ; 1= 1957 ; 4= 1958?? ; 17= 1958? ; 12= 1958 ; 2= 1959?? ; 19= 1959? ; 13= 1959 ; 21= 1960?? ; 20= 1960? ; 28= 1960 ; 6= 1961?? ; 17= 1961? ; 16= 1961 ; 2= 1962?? ; 32= 1962? ; 9= 1962 ; 32= 1963? ; 13= 1963 ; 1= 1964?? ; 15= 1964? ; 5= 1964 ; 17= 1965?? ; 2= 1965? ; 4= 1965 ; 4= 1966?? ; 1= 1966? ; 5= 1966 ; 1= 1967? ; 1= 1967 ; 1= 1968?? ; 1= 1968? ; 4= 1968 ; 1= 1969 ; 3= 1970?? ; 1= 1971 ; 1= 1972

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):340

Collection of

 
ez81_95rm404d~~1.jpg

6CA4
 

Forum contributions about this tube
6CA4
Threads: 1 | Posts: 1
Hits: 3119     Replies: 0
6CA4 (6CA4)
Stuart Matousek
20.Jun.14
  1

This valve is prone to internal shorts. This can destroy the mains transformer and cause fire if left unattended. I have seen this happen on a couple of occasions. I have therefore installed in line fuses on my Kriesler 11-102

 
6CA4
End of forum contributions about this tube

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