(!!) (Best Pair #2) 6AN8A RCA NOS 1970 – 1973 (18/14ma and 16/14ma)

1 pair) 6AN8A RCA NOS original boxes

1 tube) 18ma Gm=4800 and 14ma Gm=8300 branded Motorola

1 tube) 16ma Gm=4500 and 14ma Gm=7700

Matched on Amplitrex

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

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