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MX25

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ID = 49622
       
Country:
France
Brand: Grammont (Radiofotos, Fotos); Paris, Malakoff
Tube type:  Dual-Grid Tetrode   Frequency converter 
Identical to MX25

Base French Bigrille 5 pin (D)
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.08 Ampere / Direct / Battery =
Information source -- Collector info (Sammler)   

mx25.png MX25: H.S.
Hugo Sneyers

Usage in Models 1= 1928??

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

Collection of

 
radiofotos_mx25.jpg

 

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