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ID = 3324
Great Britain (UK)
Tube type:  Triode, vacuum   Power/Output 
Identical to PX25 = P27/500 = LP25 = CV1040 = RD27AS = VT104_GPO = NR47 = VR40
Similar Tubes
Normally replaceable-slightly different:
  DO24 ; LK4200 ; P16 ; PP5/400 ; RD25A ; TF104
Other base:
Differences not known by us:

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 The Saga of Marconi Osram Valve   p. 101, 144 7168
History of the British Radio Valve to 1940   p. 148, 172 & 204
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49

PX25: GEC's catalogue supplement
Anonymous 413 Collector

1_114.png PX25: Telefunken Werkstattbuch
Wolfgang Bauer

Just Qvigstad
PX25: Herstellerdatenblatt
Stefan Müller

More ...
Usage in Models 1= 1935 ; 3= 1936? ; 4= 1936 ; 2= 1937 ; 1= 1946 ; 2= 1948

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):13

Collection of



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