(!!!!!) (Best Value Pair) 6SN7GTB GE NOS 1964-1965 same build (6.4/7.0ma and 6.6/7.6ma)

1 low noise pair) 6SN7GTB GE NOS 1964-1965 same build

1 tube) 6.4/7.0ma Gm=2200/2300 (1965) GE branded W/U

1 tube) 6.6/7.6ma Gm=2100/2300 (1964) GE branded Admiral

Good Ma range 6-9ma

Good Gm range 2300-2600

- smooth - warm 6SN7GTB

- nice midrange detail

- smooth high end

- good bass

- Schiit Freya