(!!!) (Best Pair) 76 Sylvania Philco NOS 1946 (5.1ma and 5.1ma)
By Tube World
$ 49.99
1 pair) 76 Sylvania Philco NOS original boxes 1946
1 tube) 5.1ma Gm=1300
1 tube) 5.1ma Gm=1400
Matched on Amplitrex
Vplate=250V
Vgrid=-13.5V
Good Ma range = 4.5 - 5ma
Good Gm range = 1300-1400
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