(!!!!) (Best Pair #2) JAN-6528A Cetron USA test like new 1987-1989 (102/110mA and 104/106.5ma)

1 pair) JAN-6528A Cetron test like new in Cetron boxes – top getters like new

1 tube) 102/110ma Gm=24,000/24,500 (1989) slightly taller glass – on right

1 tube) 104/106,5ma Gm=25,000/25,000 (1987)

Vplate=140

Vgriod=-10

NOS mA = 100-120mA

NOS Gm range 24,000-30,000

graphite plates