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ID = 35303
Tube type:  Vacuum Pentode 
Identical to 538DX = DF650

Base Subminiatur (wire-ends, flat) B5A
Filament Vf 0.625 Volts / If 0.015 Ampere / Direct / Battery =
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538dx_so.png 538DX: rtt
Anonymous 10 Collector

Just Qvigstad
538DX: My schematic collection.
Pier Antonio Aluffi


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