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(!!!) (Best Overall Pair) ECC808=6KX8 Telefunken Diamond Bottom NOS 1970 (1.5/1.6ma and 1.3/1.6ma) (Highest Ma and Gm)

(!!!) (Best Overall Pair) ECC808=6KX8 Telefunken Diamond Bottom NOS 1970 (1.5/1.6ma and 1.3/1.6ma) (Highest Ma and Gm)

$ 139.99

1 matched pair) ECC808=6KX8 Telefunken Diamond Bottom <> NOS original boxes (B0100201) = 1970, boxes were factory sealed in cellophane, seals cut open to test and match

1 tube) 1.3/1.3ma Gm=1600/1700

1 tube) 1.2/1.3ma Gm=1600/1700

 

Matched on Amplitrex

Vplate=250V

Vgrid=-1.9V

Good Ma = 1.0-1.2ma

Good Gm = 1500-1600

 

B=Berlin factory

Tubes were "Factory Sealed "

 

(5 are used in the 4 Channel Echolette PA amp made in Germany)
See more: vacuum tube
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