radiomuseum.org

 
Please click your language flag. Bitte Sprachflagge klicken.

4BF

Information - Help 
ID = 15209
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum   Power/Output 
Identical to 4BF
Similar Tubes
Normally replaceable-slightly different:
  B406

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament Vf 4 Volts / If 0.15 Ampere
Literature Taschenbuch zum Röhren-Codex 1948/49   
 
4bf_so.png
4BF: rtt
Michael Schlör

 
4bf_spec.png
4BF: Castilla 1930
Anonymous 15 Collector


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]
  
rmXorg