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(!!!) (Best Single) EC86 Amperex Bugle Boy Germany by Valvo 1959 (12.6ma)
(!!!) (Best Single) EC86 Amperex Bugle Boy Germany by Valvo 1959 (13.8ma)
(!!) (BEST OVERALL SINGLE) EC86 Telefunken Germany <> bottom gold pins NOS 1961 (15.5ma) (Highest mA and Gm)
(!!) (BEST PAIR #1) EC86 Philips Import by Valvo Germany gold pins NOS 1960 (16.8ma and 17.0ma) (Highest Ma and Gm)
(!!) (BEST PAIR #1) EC86 Telefunken Germany <> bottom gold pins NOS 1960-1961 (11.7ma and 12.4ma) (close Gm)
(!!) (BEST PAIR #2) EC86 Telefunken Germany <> bottom gold pins NOS 1960 (10.5ma and 11.2ma) (close Gm)
(!!) (Best Single #2) EC86 Telefunken Germany <> bottom 1961 (10.3ma)
(!) (Single) E86C=EC86 Siemens Germany gold pins NOS 1964 (10.4ma)
(!) (Single) E86C=EC86 Siemens Germany gold pins NOS 1964 (9ma)
CVX100 (best substitute is EC86 or EC806S Telefunken) (AUDION)