(!!) 6AN8A Raytheon USA NOS 1960”s (13.5/14.5ma)

1 tube) 6AN8A Raytheon USA NOS 1960”s

13.5ma Gm=4000 (triode)

14.5ma Gm=7800 (pentode)

Tested on Amplitrex

Good Ma/Gm (triode) = 13-15ma and Gm= 3800-4500

Good Ma/Gm (pentode) = 11-12ma Gm=7000-7500