(!!!) (Recommended Pair) 6FQ7 Sylvania NOS 1970's same build (6.4/6.8ma and 6.4/6.4ma)
$47.99
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1 low noise pair) 6FQ7 Sylvania NOS 1970's same build 1 tube) 6.4/6.8ma Gm=2300/2300 branded RCA 1 tube) 6.4/6.4ma Gm=2200/2300 Matched on Amplitrex Vplate=250V Vgrid=-8V Good Ma = 6-9ma Good Gm = 2300-2500 - Stax SRM-T1S, SRM 007T, SRA-35- Stax SRM-006tII- Marantz 8B- Marantz 2- ARC D79, D79A- Moscode 401HR amp- Conrad Johnson Premier 8A Monoblocks- Conrad Johnson PV-9A preamp- Conrad Johnson Premier 11A- Art Audio Vinyl 1 phono stage regulator tube- Gill Audio Elise DAC- AVA T8+ preamp- Audio Research D-250 MKII Servo- Leben
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