EF86 International Russian NOS 1979 (3.7ma)
$ 29.99
1 tube) EF86 International Russian NOS 1979
3.7ma Gm=1900
Tested on Amplitrex
Vplate=250V
Vscreen=140V
Vgrid=-2V
Good Ma = 2.5-3.5ma
Good Gm=1800-2200
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