(!!!) (Best Pair #2) ECC808=6KX8 Telefunken Diamond Bottom NOS 1965 (1.0/0.9ma and 0.9/1.0ma)

1 matched pair) ECC808=6KX8 Telefunken Diamond Bottom <> NOS 1965

1 tube) 1.0/0.9ma Gm=1500/1400

1 tube) 0.9/1.0ma Gm=1500/1500

Matched on Amplitrex

Vplate=250V

Vgrid=-1.9V

Good Ma = 0.8=1.0mA+

Good Gm = 1400-1600

B=Berlin factory

Tubes were “”Factory Sealed “”

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

– HOHNER Orgaphon 60MH 1966