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A255

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ID = 25778
       
Country:
France
Brand: Visseaux / Télévisso; Lyon / Paris
Tube type:  Double Diode-Triode   Audio Frequency 
Identical to A255 = 55

Base 6-Pin-Base U6A, old, USA
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Parallel, (AC/DC)
Information source Babani, International Radio Tube Encyclopaedia   
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a255_so.png
A255: ARRL Handbook 1972
Michael Schlör

 

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