(!!!) (Best Pair) 6AU6A Channel Master Hitachi Japan NOS D getter 1960 (8.6ma and 9.2ma)

1 pair) 6AU6A Channel Master Hitachi Japan NOS D getter 1960

1 tube) 8.6ma Gm=4900

1 tube) 9.2ma Gm=5000

Good Ma range 6.5-7.5ma

Good Gm range 4000-4500