ECC808=6KX8 Telefunken Diamond Bottom NOS faded printing from rubbing inside box 1969 (.8/1.0ma Gm=1400/1500)

1 tube) ECC808=6KX8 Telefunken Diamond Bottom <> NOS faded printing from rubbing inside box 1969 - tube was factory sealed

1 section) 0.8ma Gm=1400

1 section) 1.0ma Gm=1500

Vplate=250V

Vgrid=-1.9V

NOS mA = 1.0ma+

NOS Gm = 1500-1600

B=Berlin

(5 are used in the 4 Channel Echolette PA amp made in Germany)