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P4

Information - Help 
ID = 8043
       
Country:
Europe
Brand: Common type Europe tube/semicond.
Tube type:  Triode, vacuum   Power/Output 
Identical to P4 = E406

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Information source Taschenbuch zum Röhren-Codex 1948/49   

1_51.png P4: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
Usage in Models 1= 1932

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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