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EF97 Info
Country:  Europe      Brand:  Common tube type Europe 
  Tube type:  PENTODE   RF/IF-Tube   Controlling (mu) 
Tube ID = 1915
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Identical to EF97 = 6k8p = 6ES6
First Series   1957 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s) Aug.1955 : Funkschau (FS) # 15

Base Miniatur-7-Pin-Base B7G, USA 1940
Was used by Radio/TV-reception etc.
Filament -: Indirect /
Description 6- und 12-Va-Niedervoltröhre für Hybrid-Autoradios. 
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Tube prices 3 Tube prices (visible for members only)

  Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus
Iven Müller

Lorenz Empfänger-Röhren , 9.Auflage
Michael Sigmund

Iven Müller
Iven Müller

Usage in Models   1= 1957 ; 1= 1958? ; 6= 1958 ; 10= 1959 ; 5= 1960 ; 1= 1961 ;
Number of Models with this tube   24
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