(!) (Recommended Pair) 6GM5 Sylvania NOS 1960's - 1 tube branded Tungsol (55ma and 56ma)
$ 61.99
1 pair) 6GM5 Sylvania NOS 1960's
1 tube) 55ma Gm=9800
1 tube) 56ma Gm=9600 branded Tungsol
(Good Current Range 45-65ma)
(Vplate=300V, Vscreen=300V, Vgrid=-10V)
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