(!!!) (Best Overall Pair) 6FQ7 RCA clear top NOS 1964-1966 (8.8/9.4ma and 8.2/9.4ma) (STAX, MARANTZ, CONRAD JOHNSON)

1 low noise pair) 6FQ7 RCA clear top NOS "D" getter halo 1964-1966 1 tube) 8.8/9.4ma Gm=2500/2600 (1964) 1 tube) 8.2/9.4ma Gm=2600/2900 (1966)   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