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

420LFR

Information - Help 
ID = 85977
       
 
   
Tube type:  Triode, vacuum   Audio Frequency 
Identical to 420LFR

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.2 Ampere / Direct
Information source -- Collector info (Sammler)   

b4_base_pins~~659.png 420LFR: Fin Stewart
Fin Stewart


Just Qvigstad
 
louden_420lfr_nvm.jpg

420LFR
 

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