High-Mu Triode - Sharp-Cutoff Pentode
The 6HF8 Vacuum tube is a miniature type used in color
and Black & White TV receiver applications. The triode is
used in sound-IF stages, sync-separator, sync-clipper and
phase-inverter circuits; the pentode is used as a video
amplifier. It requires a miniature 9-contact socket.
Electrical Data
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.78 A
Preferred Substitutes .........................
6EB8, 6GN8
Substitutes..................... 6HZ8, 6LY8, 6JE8,
6JT8, 6JV8, 6KR8A, 6KV8, 6LQ8