(!!!!!) (#1 ECC803S Telefunken Pair - Superb Pair) ECC803S=12AX7 Telefunken Germany <> bottom gold pins NOS same date codes 1969 1-2% matched (High Ma and Gm) (You can't buy a better pair)
(!!!!) (#3 ECC803S Single) ECC803S=12AX7 Telefunken Ulm Germany <> bottom used/like new condition 1967 reboxed (1.0/1.2ma)
(!!!!) (#3 ECC803S Telefunken from 1966) ECC803S=12AX7 Telefunken Ulm Germany <> bottom gold pins NOS 1966 some gold plating has been buffed off the pins pins are shiney and clean (1.3/1.3ma) 1% section balance
(!!!!) (~ Recommended ECC803S Single ~) ECC803S=12AX7 Telefunken Ulm Germany <> bottom NOS 1965 1% section balance (Gm=1650/1650) (1.1/1.1ma)
ECC803S=12AX7 Telefunken Ulm Germany <> bottom NOS 1966 1-2% section balance (Gm=1850/1900) (1.5/1.6ma) (sold)
