(!!!) 12SN7GTA Sylvania branded RCA used/good 1967 (10/12.5ma)

12SN7GTA Sylvania branded RCA used/good 1967 in WB

10.0ma Gm=2600

12.5ma Gm=2900

Good Ma range 7-10ma

Good Ma range 2300-2600

Recommended for:

– Mapletree
– McAlister Audio MA-10
– Tom Tutay preamp