(!!!) (BEST PAIR) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (14.2/13.5ma and 16.4/15.2ma) (High Gm all 4 sections)
(!!) (Recommended Pair) 6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (13.6/13.5ma and 13.4/13.0ma)
(Best Single) 6GH8A GE branded RCA (16.4/13.5ma)
6GH8A GE by EI Yugoslavia NOS copper grid posts 1970's (10 in stock)
6GH8A RCA NOS 1968 (14.2/13.2ma)
7687 Sylvania NOS 1962 (sold out)