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A225

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ID = 13692
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum 
Identical to A225 = RE052
Similar Tubes
Normally replaceable-slightly different:
  210W ; KC1_4pin ; M212
Other base:
  A225_UX4
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Literature Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   1926
 
a225.jpg
A225
Peter den Boer

 
a225_sock.png
A225: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

 
a225.png
A225: own collection
Peter den Boer


Usage in Models 1= 1925? ; 1= 1928??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2


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