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17R7

Information - Help 
ID = 20243
       
Country:
Italy
Brand: Magnadyne Radio; Torino
Tube type:  Damper, booster, flyback diode   Power-supply 
Identical to 17R7 = PY81 = 17Z3

Was used by Radio/TV-reception etc.
Filament Vf 17 Volts / If 0.3 Ampere / Indirect / Series, AC/DC
Literature - - Manufacturers Literature   
  i_magnadyne_17r7_schema_applicativo.png
  17R7: Magnadyne 6057 TV set schematic
Giuseppe Feniello
 
i_magnadyne_17r7.jpg
17R7: home made photograph
Giuseppe Feniello

 
17r7_so.png
17R7: rtt
Michael Schlör

 

Usage in Models 1= 1960?? ; 1= 1961 ; 2= 1962 ; 2= 1963? ; 3= 1963 ; 1= 1965??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):10


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