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AT340

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ID = 25354
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Transmitting Tetrode, air cooled 
Identical to AT340

Base UY-Base, 5 Pins (USA, April 1927)
Filament Vf 5 Volts / If 7 Ampere / Direct
Information source Taschenbuch zum Röhren-Codex 1948/49   
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at340_sock.png AT340: Tabu Röhren-Codex, 1948
Anonymous 15 Collector

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