Pentode with an oxide cathode-10J12S serves to amplify high-frequency signals,
was used and is still used in highly sensitive long-distance communication equipment.
The feature of the presented electrovacuum device is a glass bulb,
which has a shaped configuration and is equipped with a pin,
octal,six-contact socket.
10J12S NEW,
without factory packaging
The same-date of manufacture 11/70
Lot 11 pcs.
Departure from Ukraine.