(!!) (Good Value Pair) 311B WE used/good, faded getters 1960 and 1967 (28ma and 33ma)
Was $92.88
SAVE 3%
$89.99
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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
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$89.99
(-$2.89)