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W17

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ID = 2804
       
 
   
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to W17 = DF91 = 1T4 = 1F3 = 1K2
First year Jun.1947 Trader Service Sheet (suppl. of Wireless & El. Trader, etc.) December 13th 1947 for model June 1947
Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 1.4 Volts / If 0.05 Ampere / Direct / Battery =
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
  x17w17zd17n17._2.png
  W17
Egon Strampe
 
w17_marconi_b.jpg
W17: F.K.
Felix Kreitlow
More ...
 
mi1_g_1.gif
W17: RTT Schwandt
Günther Stabe † 19.8.20
 
w17.png
W17: own collection
Peter den Boer

from Just Qvigstad
Usage in Models 1= 1947 ; 2= 1948? ; 4= 1948 ; 1= 1949 ; 3= 1950 ; 2= 1951 ; 1= 1952 ; 1= 1953 ; 1= 1954 ; 1= 1956
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):17
Collection of Felix Kreitlow (D)
Collection of a member from FIN
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