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ID = 78830
Tube type:  Vacuum Pentode 
Identical to 1Ж25Р

Base Wires
Filament Vf 1.5 Volts / If 0.08 Ampere / Direct / Battery =

Subminiature rod-gridded Russian pentode. Asymmetrical construction with rod grids and plate strip only at only one side of the filament Blue tip

Information source -- Collector info (Sammler)   

1j25r_pinout1.gif 1Ж25Р: Photo montage
Joe Sousa

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1Ж25Р: Original leaflet scan
Joe Sousa

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Collection of



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