(!!!!) (Best Overall Single) 6DJ8=ECC88 Philips by Sylvania NOS 1987 (19/17ma) (High Gm) 1-5% section balance (Copy)
(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1975 (19/24.5ma)
(!!!) (Single 1962) 6DJ8 Amperex Holland used/good 1962 (11.6/12.6ma)
(!) 6DJ8 Tungsram Hungary branded Amperex used/good 1982 (9.5/12.5ma)
(!) 6DJ8 Tungsram Hungary branded Amperex NOS 1980 (11.2/11.0ma)
