(!!!) (Recommended Pair) 26 GE and Ken Rad NOS same build 1940's (3.9ma and 4.0ma)

1 pair) 26 GE and Ken Rad NOS same build 1940's

1 tube) 3.9ma Gm=1000 (dimpled getter bracket)

1 tube) 4.0ma Gm=1000 ("D" getter)

Matched on Amplitrex

Vplate=180V

Vgrid=-14.5V

NOS Ma = 5-6.0mA

NOS Gm = 1000-1100