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(!!!!!) (Best Pair #2) 12AX7=ECC83 Philips Holland NOS 1966 and 1971 (1.8/1.7ma and 1.6/1.8ma) (Highest mA and Gm)
(!!!!!) (Best Pair) 12AX7=ECC83 Pope and Philips Holland NOS 1971-1972 (1.1/1.6ma and 1.2/1.7ma) (Same Gm)
(!!!!!) (Best Pair/Best Price) 12AX7=ECC83 Philips Holland NOS 1966 (1.0/1.1ma and 1.0/1.2ma) 1-3% matched
(!!!!!) (Holland Single) 12AU7 Pope Holland NOS 1971 dimpled disc halo (12/13.4ma)
(!!!!!) (Recommended Pair) E80CF=7643 Valvo branded Philips Miniwatt SQ NOS 1963 (PREMIUM 6BL8 SUB) (Tuners)
(!!!!) (3rd Best Pair 1968) PCC88=7DJ8 Philips Holland "O" getter NOS 1968 (13.2/10.4ma and 10.4/11.2ma) (sweet sound)
(!!!!) (Best Holland Pair) EF86 ADZAM Holland NOS 1963-1964 (3.5ma and 3.5ma) 1-3% matched
(!!!!) (Best Holland Single) EZ80=6V4 Philips Miniwatt Sittard Holland large "D" getter NOS 1955 (62/40 and 62/40)
(!!!!) (Best Holland Single) EZ80=6V4 Philips Miniwatt Sittard Holland large "D" getter NOS 1957 (64/40 and 64/40)
(!!!!) (Best Pair #1) E80CC=6085 Philips and RTC Holland gold pins NOS 1961-1972 (6.3/6.8ma and 6.1/6.9ma) 1-3% matched
(!!!!) (Best Pair #2) 12AU7=ECC82 Philips Holland NOS 1971-1972 dimpled disc halos (10.2/10.6ma and 11.2/11.6ma)
(!!!!) (Best Pair #2) E80CC=6085 Philips Holland 1963-1972 (6.1/6.8ma and 6.2/7.1ma) (Highest mA and Gm)
(!!!!) (Best Pair #2) EF86 ADZAM made by Valvo Germany NOS 1970 (3.1ma and 2.9ma) 1-5% matched
(!!!!) (Best Pair #4) E80CC=6085 Philips Holland branded RTC NOS 1971-1972 (5.6/7.0ma and 5.8/7.3ma)
(!!!!) (Best Pair) 6DJ8 Pope and Philips Holland NOS 1967-1968 (15.8/17.4ma and 16.0/18.8ma)
(!!!!) (Best Single #3) E182CC=7119 Mullard SQ Holland NOS large "O" getter halo 1964 (30/34ma)
(!!!!) (Best Single 1958) 6922 Amperex Holland curved "D" getter 1958 NOS (16.2/17.8ma) (same sonics as pinched waist version)
(!!!!) (Best Single 1963) PCC88=7DJ8 Philips Miniwatt Holland "O" getter NOS 1963 (14.2/12.0ma)
(!!!!) (Best Single 1966) 12AX7 Philips Holland NOS 1966 (Gm=1700/2100 and 1.2/1.7ma)
(!!!!) (Best Single 1969) 6DJ8 IEC Mullard used/tests like new 1969 (18.2/18.0ma) 1-2% section balance (sweet midrange)
