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25A8

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ID = 10711
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  HalfWave Rectifier-BeamPowerTetrode   Power/Output 
Identical to 25A8

Base Octal (Int.Octal, IO) K8A, USA 1935 (Codex=U)
Filament Vf 25 Volts / If 0.3 Ampere
Information source Taschenbuch zum Röhren-Codex 1948/49   

25a8_sock.png 25A8: Tabu Röhren-Codex, 1948
Anonymous 15 Collector


Just Qvigstad
Usage in Models 1= 1935?

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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