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EF12K

Information - Help 
ID = 2120
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Vacuum Pentode   Audio Frequency 
Identical to EF12K
Similar Tubes
Normally replaceable-slightly different:
  KL70716
Other class quality (otherwise equal):
  EF12
Base German Steel Y8A, 1938
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Description Low microphonic version of the EF12. 
Text in other languages (may differ)
Tube prices 9 Tube prices (visible for members only)
  ef12s~~1.gif
  EF12K: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
roehre_ef12k_tfk.jpg
EF12K: J.K.
Jürgen Küting
 
st12_1.png
EF12K: RTT 1974 (Franzis) 13. Auflage
Martin Renz
 
ef12k_dat.png
EF12K: Die Kurzwellen 5.Auflage 1958 Diefenbach Franzis V.
Heinz Höger

from Just Qvigstad
Usage in Models 2= 1939? ; 1= 1947? ; 3= 1947 ; 1= 1948?? ; 1= 1948? ; 3= 1948 ; 1= 1949? ; 2= 1949 ; 7= 1950?? ; 10= 1950 ; 2= 1951?? ; 1= 1951? ; 8= 1951 ; 2= 1952?? ; 1= 1952? ; 8= 1952 ; 3= 1953? ; 3= 1953 ; 2= 1954?? ; 2= 1954? ; 5= 1954 ; 1= 1955?? ; 2= 1955? ; 1= 1955 ; 2= 1956?? ; 1= 1960??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):75
Collection of Jacob Roschy (D)
Collection of Wolfgang Eckardt (D)
Collection of Hartmut Völler (D)
Collection of Giovanni Cucuzzella (D)
Collection of Jürgen Küting (D)
Collection of Otto Frosinn (D)
Collection of Karlheinz Fischer (D)
Collection of Karl - Heinz Bossan (D)
Collection of Klaus Neumann (D)
Collection of Werner Wussow (D)
Collection of a member from FIN
Collection of Tomasz Szczesniak (PL)
Collection of a member from D
Collection of Jozef Solyga (PL)
Collection of Reinhard Riek (D)
Collection of a member from D
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