(!!) (Good Value Pair) 311B WE used/good, faded getters 1960 and 1967 (28ma and 33ma)
$ 89.99
1 pair) 311B WE used/good faded getters
1 tube) 28ma Gm=2700 (6039=1960)
1 tube) 33ma Gm=2950 (6713=1967)
Tested on Amplitrex
Vplate=180V
Vscreen=135V
Vgrid=-15V
NOS Ma = 30ma
NOS Gm = 2900
See more: vacuum tube
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 (Good Value Pair) 311B WE used/good, faded getters 1960 and 1967 (28ma and 33ma)&Category=vacuum tube&ImageURL=http://tubeworldexpress.com/cdn/shop/products/311busedp1.jpg?v=1571438972){kind=link}
 (Good Value Pair) 311B WE used/good, faded getters 1960 and 1967 (28ma and 33ma) "Pin It")