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NN4

Information - Help 
ID = 14547
       
Country:
Hungary
Brand: Sator (brand of Tungsram for tubes)
Tube type:  Triode, vacuum   Universal 
  Ca. 1925 up to 1945 rare.
Identical to NN4
Similar Tubes
Normally replaceable-slightly different:
  AG4100 ; E415 ; REN804

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=F)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Indirect / Parallel, (AC/DC)
Dimensions (WHD)
incl. pins / tip
46 x 92 x mm / 1.81 x 3.62 x inch
Weight 55 g / 1.94 oz
Information source Taschenbuch zum Röhren-Codex 1948/49   Sator Röhrenliste 1934
- - Manufacturers Literature   
 
sator_nn4.jpg
NN4: Meine Sammlung
Rudolf Osterkamp

 
7_29.png
NN4: Telefunken Werkstattbuch
Wolfgang Bauer

 
nn4data.png
NN4: own collection
Peter den Boer


Usage in Models 1= 1933

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1


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