Medium-Mu Triode - Sharp-Cutoff Pentode
The 10KR8 Vacuum tube is a miniature type used in TV
receivers. The triode is used as a general-purpose
amplifier; the pentode is used as a video amplifier. It
requires a miniature 9-contact socket.
Electrical Data:
Heater Voltage ................................ 10.5 V
Heater Current .................................0.45 A
Preferred Substitutes
............................. 10JY8 11LQ8
Substitutes
............................. 10LB8 10LW8