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NC4a

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ID = 2779
       
Country:
Hungary
Brand: Sator (brand of Tungsram for tubes)
Tube type:  Screen-grid Tetrode   RF/IF-Stage 
  Ca. 1925 up to 1945 rare.
Identical to NC4a
Similar Tubes
Different connections:
  E452T
First year Dec.1931 -- Original prospect or advert

Base Europe 5-Pin (O5A, B5) (Codex=Fc) Top contact screw type
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Literature - - Manufacturers Literature   SATOR Liste Nr. 4600/VI/32/15
-- Original prospect or advert   ÖRA 12/31, Seite 839;
Taschenbuch zum Röhren-Codex 1948/49
 
sator_nc4a_bild1.jpg
NC4a
Rudolf Osterkamp

 
9_24.png
NC4a: Telefunken Werkstattbuch
Wolfgang Bauer

 
nc4adata.png
NC4a: own collection
Peter den Boer


Usage in Models 2= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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