6106 Bendix used/good 1950's small hairline crack in base (50/40 and 53/40)
$ 49.99
6106 Bendix used/good 1950's small hairline crack in base faded printing
50/40
53/40
6106 is a indirectly heated (slow warmup) sub for a 5Y3GT
5Y3GT has a directly heated filament
See more: vacuum tube