Description
(!!!) (Best Overall Pair) 286A Western Electric “top printing” mesh-plate NOS 1942-1945 (6.4ma and 6.6ma)
1 pair) 286A Western Electric “top printing” mesh-plate NOS 1942-1945, very large getters
1 tube) 6.4ma Gm=1200
1 tube) 6.4ma Gm=1200
Variable-mu voltage amplifier pentode with cathode
Vfil = 2V @ 1.6A
Vplate=180
Iplate = 5.5-6ma
Gm=1100-1200