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6F18

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ID = 21900
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 6F18 = 6EC7
Similar Tubes
Different connections:
  EF89
Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AC/DC
Information source Röhren-Taschen-Tabelle, (Franzis RTT)   
-- Original-techn. papers.   
Tube Tester Data Avo CT160
no7_g_15.gif 6F18: RTT Schwandt
Günther Stabe † 19.8.20

Just Qvigstad 		6f18_mazda_data_01.png
6F18: Mazda - original papers
Anonymous 10 Collector
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Usage in Models 2= 1956 ; 1= 1957? ; 1= 1957 ; 4= 1958 ; 1= 1959?? ; 1= 1959 ; 1= 1960?? ; 6= 1960 ; 1= 1961?? ; 1= 1961 ; 3= 1963 ; 1= 1964?
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):23

Collection of

Werner Schaffner (CH)
Collection of a member from FIN
Michael Watterson (IRL)
 
6f18.jpg

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