6AW8A Sylvania NOS 1960”s with special silver oxide coating (2.4/21.5ma)

6AW8A Sylvania NOS 1960”s with special silver oxide coating

1 tube) 2.4ma Gm=2600 and 21.5ma Gm=9700

triode: Good Ma=3-3.5ma Gmm Gm=3000-3500

pentode: Good Ma=13ma Good Gm=9000

recommended for:

Shindo Petrus preamp and Shindo amp
Shindo Cortese preamp
Shindo Haut Brion 2010