EF86 Trigon made in Russia NOS 1970's (2.8ma)
$ 18.99
EF86 Trigon made in Russia NOS 1970's
2.8mA
Gm=1800
Tested on Amplitrex
Vplate=250V
Vscreen=140V
Vgrid=-2V
Good Ma = 2.5-3.5ma
Good Gm=1800-2200
See more: vacuum tube
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