(!!!) (Best Pair #4) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970”s (13.6/11.5ma and 13.0/12.2ma) 1-5% matched

1 pair) 6GH8A GE by EI Yugoslavia NOS copper grid posts, good construction 1970”s

1 tube) 13.6ma Gm=8000 and 11.5ma Gm=7000 (triode/pentode)

1 tube) 13.0ma Gm=7900 and 12.2ma Gm=7200 (triode/pentode)

Good mA range = 12-13.5ma (Triode)

Good mA range = 10-12ma (Pentode)

(also see 6U8A and 7687 as a substitute for 6GH8A)

– HH Scott 222C
– Dynaco by Panor Stereo 70, series 2
– Browning Golden Eagle Mk III radio