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P625A

Information - Help 
ID = 16170
       
Country:
Great Britain (UK)
Brand:
Developer: Marconi-Osram - (Valves/Tubes); GB 
Tube type:  Triode, vacuum   Power/Output 
Identical to P625A = PV625A
Similar Tubes
Different maximum ratings:
  P625
First year Sep.1928 - - Manufacturers Literature Leaflet

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 6 Volts / If 0.25 Ampere / Direct / Battery =
Description

Ra= 1,600 ohms at Va=180.

Manufactured/Branded MOV and Mazda.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   
History of the British Radio Valve to 1940   p. 148
Wireless World (The), London (WW, 79)
- - Manufacturers Literature

p625a_sock.png P625A: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

More ...

Just Qvigstad
p625a_data.png
P625A: MARCONI VALVES MANUAL
Jose Casas-Avalos

Usage in Models 1= 1930? ; 3= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4

Collection of

 
dsc_0546.jpg

P625A
 

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