(!!) KT66 GEC UK used/good 1962 missing guide pin (79.6ma)
By Tube World
$ 149.99
KT66 GEC UK used/good 1962 missing guide pin (broke off) in white box
79.6ma
Gm=5850
Tested on Amplitrex
Good Ma = 60-80ma
Good Gm = 5500-6000
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