Medium-Mu Triode - Sharp-Cutoff Pentode
The 6HG8 / ECF86 Vacuum tube is a miniature type with a
frame-grid pentode unit used as a combined oscillator and
mixer tube in VHF color and BW TV receivers. It requires
a miniature 9-contact socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ............................... 0.34 A
Preferred Substitutes .................... ECF86