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CF1

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ID = 1770
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Vacuum Pentode   Universal 
Identical to CF1 = UF1 = VCF1 = S1328 = 13U1_Ultron
Similar Tubes
Normally replaceable-slightly different:
  TB4613 ; UHP1018
Heater different:
  EF1
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 B2046  
Successor Tubes 1935   CF7  
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
Tube prices 1 Tube prices (visible for members only)
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 16
Taschenbuch zum Röhren-Codex 1948/49   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Tube Tester Data Avo CT160
cf1.gif
CF1: ficha de valvulas
Getulio Jimenez-Gomez
28_1.png CF1: Telefunken Werkstattbuch
Wolfgang Bauer
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Just Qvigstad 		cf1_spec.png
CF1: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
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Usage in Models 9= 1934? ; 63= 1934 ; 3= 1935?? ; 23= 1935? ; 60= 1935 ; 2= 1936?? ; 3= 1936? ; 22= 1936 ; 1= 1937? ; 5= 1937 ; 1= 1938? ; 1= 1940?? ; 3= 9999
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):196

Collection of

Thomas Lebeth (A)
Tomasz Szczesniak (PL)
Christian ADAM (F)
Christian Schaufelberger (CH)
Ottmar Rollmann (D)
Georges Werts (B)
Jacob Roschy (D)
Patrice Zeissloff (F)
Wolfgang Bauer (A)
Michael Gnaedig-Fischer (MEX)
Hermann Fleischanderl (A)
Jose Luis Villabona Horreo (E)
 
cf1_673.jpg

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Variants

CF1 with globe bulb
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