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

4AF

Information - Help 
ID = 13250
       
Country:
Spain
Brand: Castilla; Madrid
Tube type:  Triode, vacuum   Universal 
Identical to 4AF
Similar Tubes
Normally replaceable-slightly different:
  A409

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.06 Ampere / Direct / Battery =
Information source Röhren-Vademecum; P.H. Brans; Antwerpen   p. 105
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 97, p.
Taschenbuch zum Röhren-Codex 1948/49
Röhrenhandbuch, L.Ratheiser, 1948

4af_so.png 4AF: rtt
Anonymous 10 Collector


Just Qvigstad
4af_spec.png
4AF: Castilla, 1930
Anonymous 15 Collector

Usage in Models 1= 1929??

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

Collection of

 
4_af_4.jpg

4AF
 

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