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X17

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ID = 2608
       
 
   
Tube type:  HEPTODE   Frequency converter   Controlling (mu) 
Identical to X17 = DK91 = 1R5 = 1А1П = 1A2_1R5 = 1C1 = VT-171
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 =
Literature Röhren-Taschen-Tabelle, (Franzis RTT)   
  x17w17zd17n17._3.png
  X17
Egon Strampe
 
x17.jpg
X17: M.N.
Michael Niermann

 
mi4_g_1.gif
X17: RTT Schwandt
Günther Stabe

 
x17.png
X17: own collection
Peter den Boer


Usage in Models 1= 1947 ; 2= 1948? ; 4= 1948 ; 1= 1949 ; 3= 1950 ; 2= 1951 ; 1= 1953

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):14


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