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6E4_Magnadyne

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ID = 20215
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Triode-Heptode   Frequency converter 
Identical to 6E4_Magnadyne
Similar Tubes
Normally replaceable-slightly different:
  6AJ8 ; ECH81
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Description Anode: 200V und 3,7mA; Ug1: -2,6 V; Steilheit: 0,7 mA/V; Ra: 1000 Ohm; µ=15 
6e4.png 6E4_Magnadyne
Giuseppe Feniello
More ...
Just Qvigstad
Usage in Models 2= 1956 ; 1= 1957? ; 1= 1959?? ; 1= 1960?? ; 2= 1961?? ; 2= 1963?? ; 1= 1963 ; 1= 1964?? ; 1= 1966?? ; 1= 1966?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):13
 
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