(!!!!) (Best Pair 1968) PCC88=7DJ8 Philips Holland "O" getter NOS 1968 (14/14ma and 13.5/13.2ma) (sweet sound)
(!!!!) (BEST Holland Pair) ECC88=6DJ8 Philips Holland NOS 1972-1974 (13.4/12.4ma and 13.8/12.4ma)
(!!!!) (Good Value Single 1970) PCC88=7DJ8 Amperex Holland "A" frame NOS 1970 (11.4/12ma)
6DJ8 GE NOS 1964 orange printing (12.6/16.4ma)
6DJ8 GE NOS 1976 (25/27.8ma)
(!!) (Recommended Pair) 6DJ8 GE NOS 1974-1980 (13.5/14.2ma and 12.4/13.5ma)
(!) (SINGLE) JAN-6DJ8 GE NOS 1982 (13/16.8ma)
6DJ8 Telefunken Germany <> bottom used/good 1967 (13.5/14.0ma)
6DJ8=CV5358 Holland A frame used good 1971 (9.6/10ma)
ECC88=6DJ8 Siemens Germany Tektronix checked small "o" getter halo 1971 used/good (12.5/16.2ma)
(!!!!) (Best Pair) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (16.8/17.8ma and 16.8/18ma) 1-2% matched
(!!!!) (Best Pair) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (17.2/20.6ma and 17.0/21ma) 1-3% matched
(!!!!) (Best Value Pair) 6DJ8 Philips ECG USA by Sylvania NOS 1987 (12.8/18.2ma and 13.0/18.4ma)
(!!!!) (Best Value Single) JAN-6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (10/16ma)
(!!!!) (Best Overall Single) 6DJ8=ECC88 Philips by Sylvania NOS 1987 (20/23.6ma) (highest mA and Gm)
(!!!) (BEST VALUE PAIR) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (13.0/14.5ma and 13.2/13.4ma)
(!!!!!) (Recommended Pair) PCC88=7DJ8 Philips Holland NOS 1973 (11.5/11.0ma and 11.5/12ma) (Similar sound to 6DJ8 Holland) (sweet sound)
(!!!) (BEST VALUE SINGLE) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (15.2/15.0ma)
(!!!) (BEST PAIR) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (13.4/14.5ma and 13.4/14.6ma) 1-2% matched
(!!!!!) (BEST PAIR) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (17.8/17.6ma and 18.0/18.8ma) (highest mA and Gm)
