(!!!!) (Recommended Pair) 6FQ7 Zenith by GE NOS 1977 (6.5/10.6ma and 6.7/9.2ma)
$49.99
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1 low noise pair) 6FQ7 Zenith by GE NOS 1977 series filaments 1 tube) 6.5/10.6ma Gm=2500/2500 1 tube) 6.7/9.2ma 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
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