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СБ-242sb-242

Information - Help 
ID = 8677
       
Country:
Soviet Union
Brand: Common type USSR (SU) tube/semicond.
Tube type:  Pentagrid-Converter (Heptode)   Pentagrid (old) 
Identical to СБ-242

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Ut) Top contact with a cap.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
  sb242_sch.png
  СБ-242: wtzenow
Wesselin Tzenow † 25.5.10
 
_sb242.jpeg
СБ-242: Photo of tube from my collection - TS
Tomasz Szczesniak

 
sb242_sock.png
СБ-242: Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector

 
sb242_spec.png
СБ-242: Grundig Rö-Tabu, zum M1, Band 3, 1948
Anonymous 15 Collector


from Just Qvigstad

Usage in Models 2= 1938 ; 1= 1940? ; 1= 1943 ; 2= 1945 ; 1= 1946? ; 2= 1947

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):9


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