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P25/450

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ID = 16142
       
Country:
Hungary
Brand: Tungsram; Budapest (see also British T.)
Developer: RCA (RCA Victor Co. Inc.); New York (NY) 
Tube type:  Triode, vacuum   Power/Output 
Identical to P25/450
Similar Tubes
Normally replaceable-slightly different:
  250 ; 50 ; EX650 ; F704_UX4 ; PH250 ; UX250
Other base:
  F704

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct / Specified voltage AC/DC
Description

4.6W audio output with 4,300 ohm load, Va=450 at 55mA.

 
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 138, p. 186
- - Manufacturers Literature   
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

ux4_11~~1.png P25/450
Peter den Boer

More ...

Just Qvigstad
tungsram_p25_450.png
P25/450: Tungsram Lampes Europeennes
Stefan Müller

 
p25450.jpg

 

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