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EF86

Information - Help 
ID = 2011
       
Country:
Europe
Brand:
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to EF86 = 6CF8 = 6Ж32П = 6267 = 6BK8 = Z729 = 6F22 = CV2901
Similar Tubes
Other class quality (otherwise equal):
  CV4085 ; EF86s ; M8195
Heater different:
  PF86 ; UF86
Other base and data slightly different:
  5879
Multiple differences or of other kind:
  CV4086
First year 1955 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jan.1954 : -- Original-techn. papers.
Nov.1955 : Funkschau # 21
Predecessor Tubes EF40  

Base Noval, B9A
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect /
Description Lineare (ungeregelte) NF-Pentode. Meistens in Verstärkern eingesetzt. Ausnahme für Radios: (z.B.) Saba Meersburg Automatik 7 und Freiburg automatik 7 von 1956. 
Text in other languages (may differ)
Tube prices 54 Tube prices (visible for members only)

  ef86.png
  EF86: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
ef86_rn.jpg
EF86: Collection JR
Jacob Roschy

 
no11_1.png
EF86: RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef86_valvo_data_01.png
EF86: Valvo
Dietrich Grötzer


Usage in Models 1= 1953? ; 2= 1953 ; 1= 1954?? ; 1= 1954? ; 4= 1954 ; 28= 1955?? ; 8= 1955? ; 36= 1955 ; 20= 1956?? ; 19= 1956? ; 83= 1956 ; 10= 1957?? ; 19= 1957? ; 95= 1957 ; 23= 1958?? ; 45= 1958? ; 124= 1958 ; 12= 1959?? ; 45= 1959? ; 133= 1959 ; 61= 1960?? ; 24= 1960? ; 77= 1960 ; 8= 1961?? ; 21= 1961? ; 67= 1961 ; 17= 1962?? ; 31= 1962? ; 56= 1962 ; 10= 1963?? ; 19= 1963? ; 41= 1963 ; 4= 1964?? ; 4= 1964? ; 45= 1964 ; 27= 1965?? ; 11= 1965? ; 32= 1965 ; 6= 1966?? ; 2= 1966? ; 23= 1966 ; 4= 1967?? ; 2= 1967? ; 25= 1967 ; 3= 1968?? ; 1= 1968? ; 9= 1968 ; 1= 1969?? ; 5= 1969? ; 5= 1969 ; 19= 1970?? ; 1= 1970? ; 1= 1971 ; 1= 1972?? ; 1= 1972 ; 1= 1973 ; 1= 1975?? ; 1= 1977?? ; 1= 1979?? ; 1= 1984 ; 1= 1990 ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1381


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