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

Pen231

Information - Help 
ID = 11472
       
Country:
Great Britain (UK)
Brand: Mazda = Valve (Tube) brand GB (see also France)
Tube type:  Vacuum Pentode   Power/Output 
Identical to Pen231

Base Europe 5-Pin , B5 (Eu O, F, O5A) 1928 (Codex=Foo)
Filament Vf 2 Volts / If 0.3 Ampere / Direct / Battery =
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1937
 
gb_mazda_pen231.jpg
Pen231: Howard Craven
Howard Craven

More ...
 
606_18.png
Pen231: Telefunken Werkstattbuch
Wolfgang Bauer

 
pen231_220.png
Pen231: own collection
Peter den Boer


from Just Qvigstad

Usage in Models 6= 1937

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):6


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