(!!!!) (Best Overall Single) ECC85=6AQ8 Telefunken Germany <> bottom NOS 1968 (11.2/13.0ma)
(!!!) (Best Holland Single) ECC85 Philips Miniwatt Holland Kuhl-Tube cryo NOS 1962 (9.4/11.4ma)
(!!!) (Best Telefunken Single) ECC85 Telefunken Germany <> bottom NOS 1972 rebranded Siemens (9.6/10.2ma)
(!!!) (Recommended Pair) ECC85 Philips Holland NOS 1975 (10/13.8ma and 10.8/14.2ma) (same Gm)
(!!!) (Recommended Single) ECC85=6AQ8 Philips Holland NOS 1970's (11.6/14.2ma)
(!!!) (Recommended Single) ECC85=6AQ8 Philips Holland NOS 1970's (13.5/14.4ma)
