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CF2

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ID = 1732
       
Country:
Netherlands
Brand:
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to CF2 = UF2 = TCF2 = VP13A = VCF2 = 13U2_Ultron = UEP103
Similar Tubes
Normally replaceable-slightly different:
  NF3
Heater different:
  EF2
First year Mar.1934 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Feb.1934 : Toute la radio # 1
Jul.1935 : Die Sendung 1935 #7
Predecessor Tubes B2047  
Successor Tubes 1935   CF3  
Base Europe side contact P8A (Au P, 8SC) (Codex=Sf)
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Dimensions (WHD)
incl. pins / tip		 x 107 x 44 mm / x 4.21 x 1.73 inch
Weight 39 g / 1.38 oz
Tube prices 1 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
cf2.gif
CF2: ficha de valvulas
Getulio Jimenez-Gomez
28_2.png CF2: Telefunken Werkstattbuch
Wolfgang Bauer
More ...
Just Qvigstad 		cf2_spec.png
CF2: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
Usage in Models 6= 1934? ; 60= 1934 ; 1= 1935?? ; 11= 1935? ; 43= 1935 ; 1= 1936?? ; 2= 1936? ; 33= 1936 ; 35= 1937 ; 3= 1938? ; 23= 1938 ; 1= 1939? ; 14= 1939 ; 6= 1940 ; 1= 1947 ; 2= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):242

Collection of

Christian Schaufelberger (CH)
Tomasz Szczesniak (PL)
Alexander Hofer (A)
Fin Stewart (AUS)
Thomas Lebeth (A)
Patrice Zeissloff (F)
Jose Luis Villabona Horreo (E)
Georges Werts (B)
Michael Gnaedig-Fischer (MEX)
Jacob Roschy (D)
Wolfgang Bauer (A)
 
cf2miniwattjauneph20s.jpg

CF2
 
Forum contributions about this tube
CF2
Threads: 1 | Posts: 1
Hits: 2398     Replies: 0
CF2 (CF2)
Reinhard Hanschke
22.Jul.07 		  1
CF2 (CF2) 

Neupreis 1938: 59,-- FFR

Lit.:             Catalog der Firma Manufrance von 1938
 
CF2
End of forum contributions about this tube
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