Beam Power Pentode
The 21JS6A / 23JS6A Vacuum tube is a duodecar type used
as a horizontal-deflection amplifier in TV receivers. It
requires a duodecar 12-contact socket.
Electrical Data:
Heater Voltage ............................. 23.6 V
Heater Current .............................. 0.6 A
Preferred substitutes: ............ 21JS6A, 23JS6A