(!!!!!) (Best Audio Pair) PCC88=7DJ8 Philips Holland NOS 1970 (12.2/12.5ma and 12.6/13.5ma) (Similar sound to 6DJ8 Holland)
(!!!!!) (Best Overall Pair) E188CC=7308 Siemens Halske Germany NOS 1968 (16.8/18.0ma and 16.5/17.4) (very low noise) (phono grade) (rare)
(!!!!!) (BEST PAIR) PCC88=7DJ8 RFT East Germany branded Tesla NOS 1980 era (16.2/16.0ma and 15.2/15.4ma)
(!!!!!) (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)
(!!!!!) (Best Single) E188CC=7308 Siemens Halske Germany NOS 1968 (12.6/15.3ma) (very low noise) (mic grade) (rare)
(!!!!!) (Best Single) PCC88=7DJ8 Siemens Germany branded Pope NOS 1979 (14.2/14.5ma)
(!!!!!) (Recommended Pair) PCC88=7DJ8 Philips Holland NOS 1973 (11.5/11.0ma and 11.5/12ma) (Similar sound to 6DJ8 Holland) (sweet sound)
(!!!!) (2nd Best Pair 1968) PCC88=7DJ8 Philips Holland "O" getter NOS 1968 (12.6/14.2ma and 15/12ma) (sweet sound)
(!!!!) (2nd Best Siemens Single) ECC83=12AX7 Siemens Halske NOS 1966 (1.0/1.1ma) (Gm=1550/1600)
(!!!!) (3rd Best Pair 1968) PCC88=7DJ8 Philips Holland "O" getter NOS 1968 (13.2/10.4ma and 10.4/11.2ma) (sweet sound)
(!!!!) (Best Audio Pair) PCC88=7DJ8 Philips Holland "A" Frame 1970 (11.5/12.6ma and 11.6/13.6ma) (Similar sound to 6DJ8 Holland)
(!!!!) (Best Pair #1) 6DL5=EL95 Philips Mullard UK NOS 1965 (26.0/26.4ma)
(!!!!) (Best Pair #4) 6DL5=EL95 Philips Mullard UK NOS 1965 (22.0/22.8ma) 1-5% matched
(!!!!) (Best Pair #5) 6DL5=EL95 Philips Mullard UK NOS 1965 (24.8/26.0ma)
(!!!!) (Best Pair 1968) PCC88=7DJ8 Philips Holland "O" getter NOS 1968 (14/14ma and 13.5/13.2ma) (sweet sound)
(!!!!) (Best Pair) D3a=7721 Siemens Germany NOS 1978 (32.5/33ma) 1% matched
(!!!!) (Best Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 1-2% matched (10.2/10.4ma and 10.2/10.6ma)
(!!!!) (Best Siemens Pair #1) E81CC=6201=12AT7WA Siemens Munich Germany NOS 1977 (12/13ma and 12/14ma) (High Ma and Gm)
(!!!!) (Best Siemens Pair #2) E81CC=6201=12AT7WA Siemens Munich Germany NOS 1977 (14.2/15.5ma and 13.8/14.2ma) (High Ma and Gm)
(!!!!) (BEST SIEMENS PAIR) EL84 Siemens Halske Germany NOS 1969 (47.5ma and 50.4ma)
