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(!!) (#1 EC86) EC86 Telefunken Kuhl-Tube cryo-treated gold pins NOS 1964 (18.6ma) tested on Amplitrex (high Ma and Gm)

$ 29.99

1 tube) EC86 Telefunken Kuhl-Tube cryo gold pins NOS 1964 original box

18.6ma

Gm=19,000

 

Tested on Amplitrex

Vplate=185V

Good Ma range 11-13ma

Good Gm range 13-15,000

 

 

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