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

NF4

Information - Help 
ID = 10167
       
Country:
Germany
Brand: Telefunken Deutschland (TFK), (Gesellschaft für drahtlose Telegraphie Telefunken mbH
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to NF4

Base SPECIAL TUBEBASE in general (Codex=sp)
Was used by Military and/or Government
Filament Vf 12.6 Volts / If 0.195 Ampere / Indirect / Specified voltage AND current AC/DC
Tube prices 4 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   

s_149_g.gif NF4: W.Sprick: Austausch-Röhren-Lexikon 1947
Günther Stabe † 19.8.20

More ...
nf4_data.png
NF4: Telefunken
Robert Schmalstieg

Usage in Models 2= 1936?? ; 1= 1936

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):3

Collection of

 
nf4_a.jpg

NF4
 

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