Description
(!!!) (Best Overall Single) 6528A Cetron NOS 1980 (132/139mA)
1 tube) JAN-6528A Cetron NOS 1980 in white box
1 section) 132ma Gm=24,100
1 section) 139ma Gm=23,400
Vplate=140
Vgriod=-10
NOS mA = 110-120mA
NOS Gm range 25,000-30,000
graphite plates