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EF111

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ID = 10066
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
  Ca. 1925 up to 1945 rare.
Identical to EF111
Similar Tubes
Different connections:
  EF11

Base German Steel Y8A, 1938 (Codex=Rk)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

sockelst16fref111112.png EF111: RTT 1974 Franzis
Anonymous 61 Collector


Just Qvigstad
book2_supplement_1951_1954_p009_954_a_af100.png
EF111: Babani 1949-1951
Patrice Zeissloff

Collection of

 
ef111_tfk_rm1.jpg

EF111
 

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