(!!) (Best Pair) EL822 Mullard black plate NOS 1970-1973 (43.2ma and 44.4ma)

1 pair) EL822 Mullard black plate NOS 1970-1973

1 tube) 43.2ma Gm=13,100 (1973)

1 tube) 44.4ma Gm=13,500 Mullard branded International 1970

Vplate=250V

Vscreen=150V

Vgrid=-2.5V

Good mA range 35-45ma

Good Gm 12,000+

similar to EL821

- pentode