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6А76a7

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ID = 18796
       
Country:
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (new) 
Identical to 6А7 = 6А15Б = 6SA7
Similar Tubes
Other shape (e.g. bulb type):
  6A7P ; 6A7_DDR ; 6А10С ; OSW3104
Normally replaceable-slightly different:
  3104_OSW
Predecessor Tubes 6А8  
Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 5 Tube prices (visible for members only)
6a7_applic.png
6А7: Personal file
Antonio Rabitti
6sa7wgt_so~~1.png 6А7: ARRL Handbook 1972
Anonymous 10 Collector
More ...
Just Qvigstad 		6sa7~~2.png
6А7: Werk für Fernmeldewesen Schöneweide
Egon Strampe
More ...
Usage in Models 1= 1941 ; 1= 1945 ; 2= 1946? ; 4= 1946 ; 3= 1947? ; 5= 1947 ; 1= 1948?? ; 6= 1948 ; 1= 1949?? ; 3= 1949? ; 6= 1949 ; 2= 1950? ; 8= 1950 ; 1= 1951? ; 4= 1951 ; 4= 1952? ; 11= 1952 ; 11= 1953 ; 15= 1954 ; 1= 1955?? ; 3= 1955? ; 8= 1955 ; 2= 1956 ; 3= 1957 ; 1= 1958?? ; 1= 1958 ; 2= 1960 ; 1= 1961
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):111

Collection of

Ulrich Fieseler (D)
Collection of a member from D
Yury Savin (RUS)
Daniel Consales (D)
Collection of a member from FIN
Danko Tkalec (HR)
Nikolaj Baranov (LV)
Hermann Fleischanderl (A)
Oskar Elm (D)
Sándor Selyem-Tóth (H)
Valery Gromov (RUS)
Paweł Banach (PL)
Jacob Roschy (D)
Tomasz Szczesniak (PL)
Karl - Heinz Bossan (D)
Wilhelm Siepe (D)
 
6a7_ussr.jpg

6А7
 
Forum contributions about this tube
6А7
Threads: 1 | Posts: 1
Hits: 3900     Replies: 0
6a7 (6a7)
Enrico Bonisolo
23.Apr.09 		  1
6a7 (6a7) 

This soviet 6A7 is not identical to the standard worldwide known  6A7  (USA) . The usual 6A7 is also a heptode converter elctrically very close to this but very older, bigger (st shaped) AND with a different socket: it is not octal but the older late 20's - early 30's style 7 pin USA socket. This USSR tube seems to be just identical or very close to 6SA7, single ended octal heptode used in 1940. 
 
6А7
End of forum contributions about this tube
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