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EF94

Information - Help 
ID = 1453
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to EF94 = 6AU6 = 6Ж4П
Similar Tubes
Normally replaceable-slightly different:
  6J4_China
Other class quality (otherwise equal):
  6136 ; 6AU6WA ; 6AU6WC ; 7543
Heater different:
  4AU6 ; HF94 ; XF94
First year 1950 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Nov.1951 : Funkschau # 22

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC /
Tube prices 6 Tube prices (visible for members only)

  ef94.png
  EF94: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ef94_philips~~1.jpg
EF94: My own collection
Hannu Alho

 
mi28_1.png
EF94: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef94_data1.png
EF94: Lorenz 1953
Robert Schmalstieg


Usage in Models 1= 1950?? ; 3= 1951 ; 2= 1952? ; 10= 1952 ; 4= 1953? ; 26= 1953 ; 2= 1954?? ; 6= 1954? ; 36= 1954 ; 4= 1955?? ; 2= 1955? ; 9= 1955 ; 14= 1956 ; 1= 1957?? ; 2= 1957? ; 3= 1957 ; 3= 1958?? ; 1= 1958? ; 3= 1958 ; 1= 1959?? ; 3= 1959? ; 8= 1959 ; 5= 1960?? ; 1= 1960? ; 6= 1960 ; 4= 1961? ; 1= 1961 ; 3= 1962?? ; 1= 1962? ; 2= 1962 ; 9= 1963? ; 2= 1963 ; 1= 1964?? ; 1= 1964? ; 7= 1964 ; 6= 1965?? ; 3= 1965? ; 1= 1965 ; 1= 1966?? ; 4= 1966 ; 1= 1967?? ; 1= 1968?? ; 1= 1970

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):205


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