(!!!!) (Best Overall Pair) EC86 Telefunken Kuhl-Tube cryo-treated gold pins NOS 1964 same date codes (14.4ma and 15ma)
(!!!) (Best Single EC86) EC86 Telefunken gold pins NOS 1964 (13ma)
(!!) (Best Overall EC86) EC86 Telefunken Kuhl-Tube cryo-treated gold pins NOS 1964 (18.2ma)
(!!) (Best Overall Pair) EC806S=E86C Telefunken Gold Pins Kuhl-Tube cryo NOS 1965 same date codes (13.0ma and 13.6ma)
CVX100 (best substitute is EC86 or EC806S Telefunken) (AUDION)
