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UY-56A

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ID = 25500
       
Country:
Japan
Brand: Common type Japan tube/semicond.
Tube type:  Triode, vacuum   Universal 
Identical to UY-56A = UY56A

Base UY-Base, 5 Pins (USA, April 1927)
Was used by Radio/TV-reception etc.
Filament Vf 2.5 Volts / If 1 Ampere / Indirect / Specified voltage AC/DC
Description

This tube was a Detector, Amplifier and Oscillator. No manufacturer shown in "Dawn of Tube Production in Japan" listing .

 
Information source -- Collector info (Sammler)   Suketoshi Ikehara
Babani, International Radio Tube Encyclopaedia   p. 152 & 153

5_01~~4.png UY-56A: Fin Stewart
Fin Stewart


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