EF11 RSD Germany NOS 1950”s (6.1ma) (tested on Amplitrex)

EF11 RSD Germany NOS 1950”s (large can and wider base than EF11 Telefunken)

1 tube) 6.1ma Gm=2200

Tested on Amplitrex

Vplate=250V

Vscreen=100V

Vgrid=-2V

NOS Ma range = 5.5-6mA

NOS Ma range 2000-2200