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A1685

Information - Help 
ID = 29393
       
Country:
Great Britain (UK)
Brand: Marconi's Wireless Telegraph Co. Ltd.
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to A1685

Base Octal (Int.Octal, IO) K8A, USA 1935 Top contact with a cap.
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect
Information source Universal Vade-Mecum, Electron Valves and Semiconductor Devices   group 163
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