(!!) (Pair) EL822 Mullard black plate NOS 1973-1974 (40ma and 41ma)

1 pair) EL822 Mullard black plate NOS 1973-1974

1 tube) 40ma Gm=12,700

1 tube) 41ma Gm=12,150

Vplate=250V

Vscreen=150V

Vgrid=-2.5V

Good mA range 35-45ma

Good Gm 12,000+

similar to EL821

- pentode