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EF85

Information - Help 
ID = 357
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to EF85 = 6BY7 = W719 = 6F19 = 6F26
Similar Tubes
Heater different:
  3BY7 ; HF85 ; UF85 ; XF85
Multiple differences or of other kind:
  EF805S
First year 1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jun.1951 : Funkschau # 12
Predecessor Tubes EF15   EF43  
Successor Tubes EF89   EF183  

Base Noval, B9A
Was used by Radio/TV-reception etc.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel / series AC/DC /
Dimensions (WHD)
incl. pins / tip
22 x 67 x mm / 0.87 x 2.64 x inch
Weight 20 g / 0.71 oz
Tube prices 15 Tube prices (visible for members only)

  ef85.png
  EF85: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
tfk_ef85_1.jpg
EF85: B.N.
Bernhard Nagel

 
no7_1.png
EF85: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef85_001.png
EF85: Manufacturer's Literature
Emilio Ciardiello


Usage in Models 28= 1951 ; 13= 1952? ; 108= 1952 ; 5= 1953?? ; 17= 1953? ; 176= 1953 ; 15= 1954?? ; 40= 1954? ; 293= 1954 ; 27= 1955?? ; 43= 1955? ; 280= 1955 ; 13= 1956?? ; 40= 1956? ; 232= 1956 ; 14= 1957?? ; 46= 1957? ; 159= 1957 ; 18= 1958?? ; 33= 1958? ; 125= 1958 ; 5= 1959?? ; 12= 1959? ; 124= 1959 ; 32= 1960?? ; 20= 1960? ; 89= 1960 ; 28= 1961? ; 72= 1961 ; 6= 1962?? ; 11= 1962? ; 52= 1962 ; 3= 1963?? ; 10= 1963? ; 78= 1963 ; 3= 1964?? ; 5= 1964? ; 35= 1964 ; 9= 1965?? ; 4= 1965? ; 32= 1965 ; 3= 1966?? ; 2= 1966? ; 26= 1966 ; 3= 1967?? ; 1= 1967? ; 14= 1967 ; 10= 1968?? ; 3= 1968? ; 3= 1968 ; 2= 1969?? ; 1= 1969? ; 2= 1969 ; 1= 1970?? ; 1= 1970? ; 7= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2434


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