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6SA7_DDR

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ID = 49178
       
Country:
Germany
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (new) 
Identical to 6SA7_DDR = 6A7_DDR = HF3104 = OSW3104
Similar Tubes
Other shape (e.g. bulb type):
  6SA7 ; 6SA7GT ; 6А10С
First Source (s)
1949 : -- Collector info (Sammler)
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 1 Tube prices (visible for members only)
Information source - - -   
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6sa7_ddr_so.png 6SA7_DDR
Anonymous 10 Collector

Just Qvigstad
Usage in Models 1= 1948? ; 3= 1949? ; 2= 1949 ; 7= 1950 ; 2= 1951 ; 2= 1952? ; 1= 1953 ; 1= 1955 ; 1= 1956
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):20

Collection of

Guido Höh (D)
Peter Pfeiffer (D)
Reinhard Riek (D)
Valery Gromov (RUS)
Karl - Heinz Bossan (D)
Thomas Teuschler (D)
Oskar Elm (D)
Andreas Schultz (D)
Siegfried Droese (D)
Danko Tkalec (HR)
Wolfgang Eckardt (D)
Collection of a member from D
Thomas Lüthe (D)
 
6sa7_3104_osw.jpg

6SA7_DDR
 
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