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NA4

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ID = 16076
       
Country:
Austria
Brand: Kremenezky, Johann (Sator); Wien,(Röhrenhersteller)
Tube type:  Triode, vacuum   Power/Output 
Identical to NA4
Similar Tubes
Normally replaceable-slightly different:
  WG44
Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   
na4_sock.png NA4: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Just Qvigstad 		na4_spec.png
NA4: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
Usage in Models 1= 1930
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of

Manfred Kröll † 2.9.2013 (A)
Christian ADAM (F)
 
na4_orion.jpg

NA4
 
Forum contributions about this tube
NA4
Threads: 1 | Posts: 1
Hits: 2060     Replies: 0
NA4 (NA4)
Philippe Pallenchier
05.Nov.14 		  1
NA4 (NA4) 

NA4 FABRIQUANT SATOR-ORION.TUBE TRIODE FINALE.Remplaçante AL495 ou AG495(TUNGSRAM).Deux types de culot 4 broches avec connection cathode sur le coté du culot ou 5 broches.
 
NA4
End of forum contributions about this tube
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