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

R406

Information - Help 
ID = 2568
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to R406
Similar Tubes
Normally replaceable-slightly different:
  W420
First Source (s)
21.Jun.1929 : Radio-Expres, Netherlands
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Description gm=1.4, Ra=18k 
Information source Radio-Expres, Netherlands   
Taschenbuch zum Röhren-Codex 1948/49   
r406_sock.png R406: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Just Qvigstad 		r406_spec.png
R406: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector
More ...
Usage in Models 1= 1928?? ; 2= 1928 ; 1= 1929? ; 1= 1929 ; 1= 1930 ; 1= 1931
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):7

Collection of

Igor Czerniawski (PL)
Martin Bösch (CH)
Tomasz Szczesniak (PL)
 
r406.jpeg

R406
 
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