(!!) (Good Value Pair) 6384 Tungsol used/good 1967-1969 same build, 1 tube has slightly tilted glass (59.5ma and 60ma)

1 matched pair) 6384 Tungsol used/good 1967-1969 same build, 1 tube has slightly tilted glass

1 tube) 59.5ma Gm=5100 (JAN-6384) 1969 – on right

1 tube) 60.0ma Gm=4800 (6384) 1967 tilted glass – on left

Matched on Amplitrex

Vplate=250V

Vscreen=250V

Vgrid=-25V

Good used Ma range = 60-65ma

Good used Gm range = 4500-5000

– DIY amps