(!!!) 286A Western Electric “”top printing”” NOS 1942-1945 (6.6ma)

USN-286A Western Electric “”top printing”” and base printing NOS 1942-1945, smaller bottom getter

6.6ma

Gm=1200

Variable-mu voltage amplifier pentode with cathode

Vfil = 2V @ 1.6A

Vplate=180

Iplate = 5.5-6ma

Gm=1100-1200