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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 / Specified voltage AND current AC/DC
Information source - - Manufacturers Literature   
i_magnadyne_12e4_schema_applicativo.png
12E4: Magnadyne FM50 radio set schematic
Giuseppe Feniello
12e4_so.png 12E4: rtt
Anonymous 10 Collector
Usage in Models 4= 1955?? ; 2= 1957?? ; 2= 1958?? ; 2= 1958 ; 2= 1959?? ; 17= 1959 ; 14= 1960?? ; 2= 1960? ; 3= 1960 ; 1= 1961?? ; 2= 1961 ; 2= 1962?? ; 2= 1962 ; 3= 1964??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):58

Collection of

Giovanni Mura (I)
Alberto Ammendola (I)
Giuseppe Feniello (I)
 
12e4.jpg

12E4
 
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