(!!!!) (Best Pair #1) 7868 Sylvania tipped top used/tests like new 1960's (65ma and 66ma) (strong mA and Gm)

1 pair) 7868 Sylvania tipped top used/tests like new 1960's 1 tube) 65mA Gm=10,400 Sylvania used/tests like new 1 tube) 66ma Gm=10,900 Sylvania Bogen like new   Tested on Amplitrex Good Ma range 50-60ma Good Gm range 9,000-10,000    Recommended for - Ampeg Reverberocket R-12R 1965- Ampeg Jet 12 1960's- Fisher Model 400 FM Multiplex Receiver- Fisher X-100B- Bogen