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(!!!!!) (Best Overall Pair #2) EF806S=EF86 Telefunken Germany <> bottom NOS 1965 same date codes (4.1mA and 4.2ma) (Close Gm) (Neumann U67, Shindo, Lawson)
(!!!!) (Best Single) EF86 Telefunken Germany <> bottom NOS gray shield 1972 (2.7ma) (Neumann, Lawson, Soundelux, Manley)