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Uy-11M

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ID = 87304
       
Country:
Japan
Brand: Tokyo Electric Co. (TEC); Tokyo
Developer: Tokyo Electric Co. (TEC); Tokyo 
Tube type:  Screen-grid Tetrode   Text 
Identical to Uy-11M

Was used by Radio/TV-reception etc.
Filament Vf 1.1 Volts / If 0.06 Ampere / Direct
Description

Ths tube was a miniature tetrode. Used as Detector or Amplifier and possibly for hearing aids. First made in 1939.

 
Information source -- Collector info (Sammler)   Dawn of Tube Production in Japan - Ohtsuka.

5_10.png Uy-11M: Fin Stewart
Fin Stewart

 

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