(!!) (Best Value Pair) 12SN7GTA GE NOS 1969-1974 (9/8.2ma and 10/9.4ma) (Same Gm)

1 low noise pair) 12SN7GTA GE NOS 1969-1974

1 tube) 9.0/8.2ma Gm=2700/2600 (1969)

1 tube) 10/9.4ma Gm=2600/2700 (1974) 1/8″” taller bottle – hairline crack in base

– Mapletree
– McAlister Audio MA-10
– Tom Tutay preamp