(!!) (2nd Best EC86) EC86 Telefunken gold pins NOS 1964 (13ma) tested on Amplitrex
(!!) (Best EC86) EC86 Telefunken Kuhl-Tube cryo-treated gold pins NOS 1964 (18.2ma) tested on Amplitrex (high Ma and Gm)
(!!) (Best Overall Pair) EC806S=E86C Telefunken Gold Pins Kuhl-Tube cryo NOS 1965 same date codes (13.0ma and 13.6ma)
(!!) (~ Recommended Pair ~) EC86 Telefunken Kuhl-Tube cryo-treated gold pins NOS 1964 same date codes (14.4ma and 15ma)
(!!) EC86 Telefunken gold pins NOS 1964 (11.5ma) tested on Amplitrex
