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ID = 3324
Great Britain (UK)
Brand: Marconi-Osram - (Valves/Tubes); GB
Tube type:  Triode, vacuum   Power/Output 
Identical to PX25 = P27/500 = LP25 = CV1040 = RD27AS = VT104_GPO
Similar Tubes
Normally replaceable-slightly different:
  DO24 ; P16 ; RD25A ; TF104
Other base:

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 2 Ampere / Direct / Specified voltage AC/DC
Tube prices 2 Tube prices (visible for members only)
Information source Taschenbuch zum Röhren-Codex 1948/49   
  PX25: GEC's catalogue supplement
Anonymous 413 Collector
PX25: H.S.
Hugo Sneyers

More ...
PX25: Telefunken Werkstattbuch
Wolfgang Bauer

PX25: GEC's catalogue supplement
Anonymous 413 Collector

More ...

from Just Qvigstad

Usage in Models 1= 1935 ; 2= 1937 ; 2= 1948

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):5

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