(BEST VALUE) ECC808=6KX8 Telefunken Diamond Bottom <> NOS 1969 faded printing from rubbing inside box (0.8/1.0ma Gm=1350/1500)

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

1 section) 0.8ma Gm=1350

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)