(!!!!) (Best Overall Pair) 6FQ7 RCA clear top NOS "D" getter halo 1969 (8.2/8.0ma and 8.0/7.8ma) (close Gm)

1 low noise pair) 6FQ7 RCA clear top NOS "D" getter halo 1969 1 tube) 8.0/7.8mA Gm=2700/2700 (CO) 1969  1 tube) 8.2/8.0mA Gm=2800/2800 (CR) 1969   Good mA range 7-9ma Good Gm range 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