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A225

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ID = 13692
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to A225
Similar Tubes
Normally replaceable-slightly different:
  210W ; KC1_4pin ; M212 ; RE052 ; WH225
Other base:
  A225_UX4
First year 1926 Tube leaflet collection E.Erb Analysis by original leaflets
Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.06 Ampere / Direct / Battery =
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 18
- - Manufacturers Literature   1926
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
a225_sock.png A225: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Just Qvigstad 		a225.png
A225: own collection
Peter den Boer
More ...
Usage in Models 1= 1926? ; 1= 1928??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2

Collection of

Peter den Boer (NL)
 
a225.jpg

 
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