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17Z3

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ID = 22036
       
 
   
Tube type:  Damper, booster, flyback diode 
Identical to 17Z3 = 17R7 = PY81
Similar Tubes
Normally replaceable-slightly different:
  U153
Other class quality (otherwise equal):
  17Z3F ; PY81F
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 17 Volts / If 0.3 Ampere / Indirect / Specified current AC/DC ~ = (Series working)
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
17z3.png
17Z3: Schematic from my documents.
Pier Antonio Aluffi
no29_g_4.gif 17Z3: RTT Schwandt
Günther Stabe † 19.8.20
More ...
Just Qvigstad
Usage in Models 1= 1952 ; 4= 1953 ; 2= 1954 ; 4= 1955 ; 5= 1958 ; 1= 1959 ; 1= 1960?? ; 1= 1966
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):19

Collection of

Robert Gillespie (USA)
Oskar Elm (D)
 
20200813_182843.jpg

 
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