(!!!!) (Best Pair) 6FQ7 Zenith by GE NOS 1977 (7.2/8.0ma and 7.0/7.8ma)
By Tube World
$ 59.99
1 low noise pair) 6FQ7 Zenith by GE NOS 1977 series filaments
1 tube) 7.2/8.0ma Gm=2400/2600
1 tube) 7.0/7.8ma Gm=2600/2600
Matched on Amplitrex
Vplate=250V
Vgrid=-8V
Good Ma = 7-9ma
Good Gm = 2300-2500
Recommended for
Conrad Johnson
Audio Research
Ampeg
Stax
Marantz
See more: vacuum tube
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 (Best Pair) 6FQ7 Zenith by GE NOS 1977 (7.2/8.0ma and 7.0/7.8ma) "Pin It")