(!!!!) (Best Value Pair) 6FQ7 RCA clear top NOS 1967 (6.2/6.0ma and 6.0/7.4ma) (same Gm) (STAX, MARANTZ, CONRAD JOHNSON)

1 low noise pair) 6FQ7 RCA clear top NOS "O" getter halo 1967 (BT) same date codes 1 tube) 6.2/6.0ma Gm=2400/2300 1 tube) 6.0/7.4ma Gm=2400/2500   Matched on Amplitrex Vplate=250V Vgrid=-8V Good Ma = 7-9ma Good Gm = 2300-2600     Recommended for: - 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