radiomuseum.org
Please click your language flag. Bitte Sprachflagge klicken.

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 / Specified voltage 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   

7_29.png NN4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
nn4data.png
NN4: own collection
Peter den Boer

More ...
Usage in Models 1= 1933

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

Collection of

 
sator_nn4.jpg

NN4
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

Data Compliance More Information