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14S7

Information - Help 
ID = 2646
       
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 / Parallel / series 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)
Literature Essential Characteristics, GE 1973   Data SYLVANIA tubes book

  14s7.png
  14S7: Courtesy Bureau Belper (De Muiderkring, Bussum), Scan Frank Philipse
Karel De Reus †
 
14s7_a.jpg
14S7: scc
Christian Schaufelberger

 
415_4.png
14S7: Telefunken Werkstattbuch
Wolfgang Bauer

 
14s7_techdat01.png
14S7: Sylvania Technical Manual
Peter Hoddow


Usage in Models 1= 1946 ; 1= 1947?? ; 1= 1947? ; 2= 1948?? ; 1= 1948 ; 3= 1949?? ; 7= 1949? ; 9= 1949 ; 1= 1950?? ; 1= 1950 ; 4= 1951 ; 1= 1952 ; 3= 1953 ; 1= 1954 ; 2= 1955?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):38


Forum contributions about this tube
14S7
Threads: 1 | Posts: 2
Hits: 1506     Replies: 1
14S7
Willy De Grande
30.Jul.05
  1 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 Hallo Herr De Grande,

Vielen Dank, die Angaben wurden übernommen.

Beste Grüße, H.-T. Schmidt
 
14S7
End of forum contributions about this tube

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