(!!!!!) (2nd Best Amperex Pair) JAN-7308 Amperex USA gold pins NOS 1977 (15.8/14.5ma and 15.2/15.4ma)
(!!!!!) (Best Amperex Pair) JAN-7308 Amperex USA gold pins NOS 1977 (15.0/16.4ma and 15.2/15.8ma)
(!!!!) (Best Value Pair) 12AX7 Telefunken Germany <> bottom ribbed plates used/very good 1960 era (1.0/1.2ma and 1.0/1.1ma) 1-5% matched