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R4050

Information - Help 
ID = 8128
       
Country:
Italy
Brand: Zenith; Monza (Italy)
Tube type:  High-vacuum Rectifier 
Identical to R4050

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Filament Vf 4 Volts / If 0.4 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
  r4050_sch1b.png
  R4050: ZENITH GUIDE 1929-30
Giuseppe Antonio Tusini
 
monodiodo.png
R4050: ZENITH GUIDE 1929-30
Giuseppe Antonio Tusini

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r4050.png
R4050: ZENITH GUIDE 1929-30
Giuseppe Antonio Tusini


from Just Qvigstad

Usage in Models 1= 1929

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

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