(!!!) (Best Pair) 6GM5 Sylvania 1960's - 1970 (72ma and 74ma)
By Tube World
$ 64.99
1 pair) 6GM5 Sylvania NOS 1960's - 1970
1 tube) 72ma Gm=10,750
1 tube) 74ma Gm=11,500
(Good Current Range 50-70ma)
(Vplate=300V, Vscreen=300V, Vgrid=-10V)
See more: vacuum tube
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 (Best Pair) 6GM5 Sylvania 1960's - 1970 (72ma and 74ma) "Pin It")