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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 , B5 (Eu O, F, O5A) 1928 (Codex=Fc) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Specified voltage AC/DC
Information source - - Manufacturers Literature   SATOR Liste Nr. 4600/VI/32/15
-- Original prospect or advert   ÖRA 12/31, Seite 839;
Taschenbuch zum Röhren-Codex 1948/49

9_24.png NC4a: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
nc4adata.png
NC4a: own collection
Peter den Boer

More ...
Usage in Models 2= 1932

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

Collection of

 
sator_nc4a_bild1.jpg

NC4a
 

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