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255

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ID = 13521
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Double Diode-Triode 
Identical to 255 = 55

Base 6-Pin-Base U6A, old, USA (Codex=Ka)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect
Description

This is an alternate code for the industry standard 55.

 
Information source Taschenbuch zum Röhren-Codex 1948/49   

461_7.png 255: Telefunken Werkstattbuch
Wolfgang Bauer


Just Qvigstad
 

You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]
  

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