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5Z4G

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ID = 3304
       
Country:
Worldwide
Brand:
Developer: Arcturus Radio Tube Co.; Newark, NJ 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to 5Z4G = CV1863 = VT195_GPO
Similar Tubes
Other shape (e.g. bulb type):
  5Z4 ; 5Z4GT ; 5Ц4С ; GZ30
Normally replaceable-slightly different:
  5Z4P ; 80SG
Different connections:
  5Y4S
Other base:
  80K
Other base and data slightly different:
  80S
First year 06.Jun.1935 Electron Tube Registration List
Predecessor Tubes 80S  
Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vn)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 2 Ampere / Half indirect / Specified voltage AC/DC
Tube prices 3 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
5z4~~2.png 5Z4G: Manufacturer's Literature
Emilio Ciardiello
More ...
Just Qvigstad 		5z4g_data.png
5Z4G: Brimar Manual
Heinz Höger
More ...
Usage in Models 2= 1936?? ; 1= 1936 ; 1= 1937?? ; 3= 1937? ; 12= 1937 ; 1= 1938?? ; 2= 1938? ; 73= 1938 ; 2= 1939?? ; 3= 1939? ; 66= 1939 ; 2= 1940?? ; 3= 1940? ; 36= 1940 ; 1= 1941?? ; 26= 1941 ; 1= 1942?? ; 3= 1942? ; 1= 1942 ; 1= 1943 ; 1= 1945? ; 5= 1945 ; 3= 1946?? ; 1= 1946? ; 11= 1946 ; 5= 1947? ; 26= 1947 ; 1= 1948?? ; 1= 1948? ; 7= 1948 ; 4= 1949? ; 5= 1949 ; 6= 1950?? ; 2= 1950? ; 14= 1950 ; 8= 1951 ; 1= 1952? ; 6= 1952 ; 5= 1953 ; 3= 1954? ; 3= 1954 ; 1= 1955?? ; 8= 1955 ; 1= 1956? ; 5= 1956 ; 3= 1957? ; 6= 1957 ; 1= 1958 ; 1= 1960?? ; 1= 1960? ; 1= 1960 ; 1= 1961? ; 3= 1961 ; 1= 1962? ; 2= 1962 ; 1= 1963 ; 1= 1964 ; 1= 1965?? ; 1= 1965 ; 1= 1969
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):398

Collection of

Jacob Roschy (D)
Jose Antonio Gonzalez-Ruiz (E)
Trev Levick (D)
Karlheinz Fischer (D)
Collection of a member from FIN
Georges Werts (B)
Raynal Aufils (F)
Patrice Zeissloff (F)
João-Afonso Santos (P)
Hans-Peter Fritzwanker (D)
Christian Schaufelberger (CH)
Klaus Rüdiger (D)
Bartosz Szwed (GB)
Frank Cuffe (IRL)
Collection of a member from D
Justo Puertas-Paule (E)
Ottó Jancsek (H)
 
5z4g_28r.jpg

5Z4G
 
Forum contributions about this tube
5Z4G
Threads: 1 | Posts: 1
Hits: 3934     Replies: 0
5Z4G Supplied as 5V4G
Roy Johnson
09.Jul.08 		  1
5Z4G Supplied as 5V4G 

Some specimens of 5Z4G manufactured by STC/Brimar in the UK are actually 5V4G tubes. These bear the manufacturing code "133".

It is suggested that it was more economical to cease production of the lower-rated 5Z4G and supply the 5V4G design.  However both tube types were offered at the same price by Brimar from at least 1947 (when the designs were different) through to the end of production. 

The Ferranti-badged  specimen of 5Z4G shown in the museum  HERE is of the 5V4G STC construction with the winged anodes with 4 holes in each wing.

This is just one example of manufacturers marketing the same item under different labels.

Best regards,

Roy

 
 
5Z4G
End of forum contributions about this tube
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