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12E4

Information - Help 
ID = 20236
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Triode-Heptode   Frequency converter   Controlling (mu) 
Identical to 12E4 = HCH81

Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Parallel / series AC/DC
Information source - - Manufacturers Literature   
  i_magnadyne_12e4_schema_applicativo.png
  12E4: Magnadyne FM50 radio set schematic
Giuseppe Feniello
 
12e4.jpg
12E4: Collezione personale
Giovanni Mura

 
12e4_so.png
12E4: rtt
Michael Schlör

 

Usage in Models 2= 1957?? ; 2= 1958?? ; 1= 1958 ; 1= 1959?? ; 16= 1959 ; 13= 1960?? ; 2= 1960? ; 3= 1960 ; 1= 1961?? ; 2= 1961 ; 1= 1962?? ; 2= 1962

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):46


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