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UF9

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ID = 1849
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to UF9 = MUF9
Similar Tubes
Heater different:
  OF9
Other base:
  UF21 ; UF5
First year 1940 Tube leaflet collection E.Erb Analysis by original leaflets (P41-1)
First Source (s)
Jan.1940 : Daten und Schaltungen moderner ... Röhren; Philips # 3
Predecessor Tubes EF9  
Successor Tubes UF41  

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Vf)
Filament Vf 12.6 Volts / If 0.1 Ampere / Indirect / Parallel / series AC/DC /
Tube prices 0 Tube prices (visible for members only)
Literature Taschenbuch zum Röhren-Codex 1948/49   

  uf9.png
  UF9: Internet
Miguel Angel Trujillo-Rodriguez
 
uf9.jpg
UF9: JR
Jacob Roschy

 
79.png
UF9: Telefunken Werkstattbuch
Wolfgang Bauer

 
uf9_spec.png
UF9: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Usage in Models 1= 1939 ; 4= 1940?? ; 2= 1940? ; 21= 1940 ; 1= 1941?? ; 10= 1941 ; 3= 1942 ; 4= 1943 ; 5= 1945 ; 1= 1947?? ; 2= 1947 ; 1= 1948?? ; 2= 1948 ; 2= 1949 ; 1= 1950 ; 1= 1952 ; 1= 1953
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):62

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