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CF7

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ID = 195
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Vacuum Pentode   Universal 
Identical to CF7 = 13H1 = TCF7 = UF7 = SP13 = UHP20 = UHP52 = VCF7 = S1324 = 13U11_Ultron
Similar Tubes
Normally replaceable-slightly different:
  13F7 ; 200F7 ; NF2 ; UAH7
Heater different:
  AF7 ; EF7 ; VF7
Other base:
  SP13C
First year 1935 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)
Jul.1935 : Die Sendung 1935 #7
Mar.1935 : Philips Bulletin
Predecessor Tubes CF1   RENS1884  
Successor Tubes 1936   EF6   UF6   VF7  

Base Europe side contact base P (P8A) (Codex=Sf) Top contact with a cap
Was used by Radio/TV-reception etc.
Filament Vf 13 Volts / If 0.2 Ampere / Indirect / Parallel / series AC/DC
Tube prices 12 Tube prices (visible for members only)
Literature Funk   Nr.14; 15.7.1935
Taschenbuch zum Röhren-Codex 1948/49   
  cf7.png
  CF7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
cf7_689.jpg
CF7: Collection JR
Jacob Roschy

 
28_4.png
CF7: Telefunken Werkstattbuch
Wolfgang Bauer

 
cf7_tech.png
CF7: Valvo Röhrendatenblatt
Martin Steyer


Usage in Models 11= 1934 ; 6= 1935?? ; 12= 1935? ; 88= 1935 ; 7= 1936?? ; 8= 1936? ; 137= 1936 ; 4= 1937? ; 54= 1937 ; 1= 1938?? ; 5= 1938? ; 25= 1938 ; 1= 1939?? ; 1= 1939? ; 8= 1939 ; 2= 1940?? ; 2= 1940 ; 1= 1941 ; 1= 1945?? ; 1= 1946 ; 1= 1947? ; 7= 1947 ; 1= 1948?? ; 2= 1948? ; 1= 1948 ; 2= 9999

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):389


Forum contributions about this tube
CF7
Threads: 1 | Posts: 1
Hits: 2296     Replies: 0
CF7 (CF7)
Reinhard Hanschke
22.Jul.07
  1 Neupreis 1938: 59,-- FFR.
Lit.:                Catalog der Firma MANUFRANCE von 1938.
 
CF7
End of forum contributions about this tube

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