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EF80 Info
Country:  Europe      Brand:  Common type Europe 
  Tube type:  PENTODE   RF/IF-Stage 
Tube ID = 709
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Identical to EF80 = 6BX6 = Z719 = Z152 = 8D6 = 64SPT = 6P6_Magnadyne
Similar Tubes XF80 (Heater different)   6EL7 (can normally be replaced - small diff'ce)   12BX6 (Heater different)   UF80 (Heater different)  
First Series   1951 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Jul.1950 : Radio-Mentor # 7
Predecessor Tubes EF42   EF50   EF14  
Successor Tubes 1960 EF184  

Base Noval, B9A
Was used by Radio/TV-reception etc.
Filament -: Indirect / -: Parallel / series AC/DC / If: 0.3 Ampere / Vf 6.3 Volts /
Dimensions (WHD) 22 x 68 x mm / 0.87 x 2.68 x inch
Weight 20 g / 0.71 oz
Tube prices 4 Tube prices (visible for members only)

  ef80.gif
  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
ef80_vv_r.jpg
collection JR
Jacob Roschy

 
no7.png
RTT 1974 (Franzis) 13. Auflage
Martin Renz

 
ef80_001.png
Manufacturer's Literature
Emilio Ciardiello

Usage in Models   1= 1950 ; 1= 1951?? ; 7= 1951? ; 68= 1951 ; 2= 1952?? ; 17= 1952? ; 109= 1952 ; 4= 1953?? ; 16= 1953? ; 170= 1953 ; 6= 1954?? ; 17= 1954? ; 160= 1954 ; 15= 1955?? ; 11= 1955? ; 219= 1955 ; 10= 1956?? ; 33= 1956? ; 174= 1956 ; 7= 1957?? ; 37= 1957? ; 99= 1957 ; 6= 1958?? ; 10= 1958? ; 140= 1958 ; 3= 1959?? ; 9= 1959? ; 77= 1959 ; 24= 1960?? ; 10= 1960? ; 89= 1960 ; 3= 1961?? ; 25= 1961? ; 56= 1961 ; 5= 1962?? ; 9= 1962? ;
Number of Models with this tube   1979
Further Information for

EF80    

EF80 (EF80)  (27.10.2008) Götz Linss Clicks: 479     Replies: 3
Wer war der Hersteller der abgebildeten EF80 mit Kennzeichnung "Ei" und YUGOSLAVIA? Götz Linß
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