(!!) (Recommended Pair) 12B4A GE NOS 1962-1970 (36ma and 36ma)
$ 21.99
1 pair) 12B4A GE NOS 1962-1970
1 tube) 36ma Gm=6950 (GE) 1962
1 tube) 36ma Gm=6850 (GE) 1970
Matched on Amplitrex
Vplate=140V
Vgrid=-15V
Good mA range 25-40ma
Good Gm = 6000
See more: vacuum tube
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 (Recommended Pair) 12B4A GE NOS 1962-1970 (36ma and 36ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/files/1_e62ec02a-deb1-470f-af42-fb5d566b1681.jpg?v=1733856672){kind=link}
 (Recommended Pair) 12B4A GE NOS 1962-1970 (36ma and 36ma) "Pin It")