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14S7

Country: United States of America (USA) Brand: Common type USA tube/semicond. Tube type:  Triode-Heptode   Frequency converter   Controlling (mu)  Identical to 14S7 = CV3936 Similar Tubes Heater different:   7S7 First Source (s) 07.Nov.1941 : Electron Tube Registration List Predecessor Tubes 12K8   Successor Tubes 12BE6   Base Loctal-8, B8G (Sylvania, 1938) (Codex=Wfo) Was used by Radio/TV-reception etc. Filament Vf 12.6 Volts / If 0.15 Ampere / Indirect / Specified voltage AND current AC/DC Dimensions (WHD) incl. pins / tip 30 x 71 x mm / 1.18 x 2.80 x inch Weight 21 g / 0.74 oz Tube prices 2 Tube prices (visible for members only) Information source Essential Characteristics, GE 1973   Data SYLVANIA tubes book 14S7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse Karel De Reus † 14S7: Telefunken Werkstattbuch Wolfgang Bauer More ... Just Qvigstad 14S7: Sylvania Technical Manual Peter Hoddow More ... Usage in Models 1= 1941 ; 1= 1946?? ; 1= 1946 ; 1= 1947?? ; 3= 1947? ; 2= 1948?? ; 1= 1948? ; 1= 1948 ; 3= 1949?? ; 7= 1949? ; 9= 1949 ; 1= 1950?? ; 1= 1950 ; 1= 1951? ; 4= 1951 ; 2= 1952 ; 3= 1953 ; 1= 1954 ; 2= 1955? Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):45 Collection of René Goebel † 21.12.23 (D) Christian Schaufelberger (CH) Georges Werts (B)

14S7

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Hits: 2868     Replies: 1 14S7
Willy De Grande 30.Jul.05	1 14S7  SBeschreibung :Triode-Heptode-converter :auser/Uf 12.6v/ =7S7/Uf 6.3 V/                          Changeur de frequence triode-heptode : Data  SYLVANIA tubes book. Abmessungen :  Dia. 30 mm / L (u.a)  71 mm Gewicht :  21 gram
Hans-Thomas Schmidt 30.Jul.05	2 No subject  Hallo Herr De Grande, Vielen Dank, die Angaben wurden übernommen. Beste Grüße, H.-T. Schmidt

 

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