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6V4

Information - Help 
ID = 3722
       
Country:
United States of America (USA)
Brand:
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
Identical to 6V4 = EZ80
Similar Tubes
Other shape (e.g. bulb type):
  EZ82
First Source (s)
19.Apr.1949 : Electron Tube Registration List
Base Noval, 9 pin miniature (USA pico-9) B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC
Description

JEDEC registered code for EZ80. The registration was released to N. V. Philips Company, Irvinghton-on-Hudson, N.Y., referring to attached documentation from Philips Eindhoven, dated February 1949.

Part of the Innoval family, early noval tubes with frit-seal base sealing to envelope, first introduced by Philips Australia.

 
Tube prices 5 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
- - Manufacturers Literature   Philips datasheet
6v4.png
6V4: Internet
Miguel Angel Trujillo-Rodriguez
no27_g.gif 6V4: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad 		6v4_data.png
6V4: Miniwatt Electronics Handbook 1965
Stuart Irwin
More ...
Usage in Models 1= 1946 ; 1= 1949 ; 2= 1950?? ; 2= 1951? ; 2= 1952?? ; 15= 1952 ; 4= 1953?? ; 3= 1953? ; 35= 1953 ; 8= 1954?? ; 11= 1954? ; 70= 1954 ; 6= 1955?? ; 4= 1955? ; 88= 1955 ; 1= 1956?? ; 5= 1956? ; 67= 1956 ; 5= 1957?? ; 9= 1957? ; 51= 1957 ; 4= 1958?? ; 6= 1958? ; 69= 1958 ; 2= 1959?? ; 4= 1959? ; 33= 1959 ; 10= 1960?? ; 3= 1960? ; 26= 1960 ; 2= 1961?? ; 3= 1961? ; 13= 1961 ; 3= 1962? ; 16= 1962 ; 1= 1963? ; 15= 1963 ; 1= 1964? ; 8= 1964 ; 1= 1965? ; 17= 1965 ; 1= 1966?? ; 19= 1966 ; 4= 1967?? ; 6= 1967 ; 8= 1968 ; 4= 1969 ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):671

Collection of

Frank Cuffe (IRL)
Patrice Zeissloff (F)
Georg Richter (D)
Howard Craven (GB)
Reinhard Riek (D)
Tom Antal (AUS)
David Erali (USA)
Jacky Parmentier (F)
Bekir Yurdakul (F)
Keith Ellison (AUS)
 
nld_philips_6v4.jpg

6V4
 
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