(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's (9.0/8.0ma and 8.0/7.6ma)
By Tube World
$ 49.99
1 low noise pair) 6FQ7/6CG7 Sylvania NOS 1970's same build
1 tube) 9.0/8.0ma Gm=2600/2400
1 tube) 8.0/7.6ma Gm=2500/2500
Matched on Amplitrex
Vplate=250V
Vgrid=-8V
Good Ma = 7-9ma
Good Gm = 2300-2500
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See more: vacuum tube
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 (Recommended Pair) 6FQ7 Sylvania NOS 1970's (9.0/8.0ma and 8.0/7.6ma) "Pin It")