(!!!!) (Recommended Pair) 12AU7=ECC82 Mullard Philips UK ribbed plates NOS 1974 1-5% matched (9.8/9.4ma and 9.5/10.5ma) (Rogue, Hovland, Audio Note)
(!!!!) (Recommended Pair) 6BQ5 Sylvania black plate NOS 1970 era (63ma and 68ma)
(!!!!) (Recommended Pair) 6J5GT Raytheon black ribbed plate NOS 1940's (6.4ma and 6.4ma)
(!!!!) (Recommended Pair) 6J5GT Raytheon metal base black ribbed plate NOS 1940's (7.0ma and 7.0ma) (1% matched)
(!!!!) (Recommended Pair) 6L6WGB=5881 Sylvania NOS same build 1980 era (81ma and 84ma) (same Gm)
(!!!!) (Recommended Pair) 6U8A Philips by Sylvania NOS 1986 (15.5/16.0ma and 8.4/8.0ma)
(!!!!) (Recommended Pair) 6U8A Philips by Sylvania NOS 1986 (16.4/16.8ma and 9.2/9.2ma)
(!!!!) (Recommended Pair) 6U8A Philips by Sylvania NOS 1986 (17.2/17.6ma and 8.4/8.6ma)
(!!!!) (Recommended Pair) EL34 Mullard branded Philips and GE NOS XF4 1977-1979 (99ma and 101.5ma)
(!!!!) (Recommended Pair) JAN-6189W=12AU7WA Sylvania NOS 1973-1974 (9.2/9.6ma and 9.8/8.6ma)
(!!!!) (Recommended Pair) PCC88=7DJ8 Philips Holland NOS 1973 (12.4/10.5ma and 11.0/10.6ma) (Similar sound to 6DJ8 Holland) (sweet sound)
(!!!!) (Recommended Philips Pair) 5814A Philips JAN NOS 1985 (9.5/10.5ma and 10/11.2ma) (same Gm)
(!!!!) (Single 1959) ECC82=12AU7 Philips Miniwatt Holland like new low hours/tests like new 1959 (10.6/9.8ma)
(!!!!) (Single 1964) ECC82=12AU7 Miniwatt Philips Canada NOS 1964 (9.2/9.8ma) (same build as Holland)
(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1972 (16.5/19.8ma)
(!!!!) (SINGLE) 7581A GE tan base NOS 1965 (62ma)
(!!!!) (SINGLE) EZ81 Bogen Mullard Blackburn UK "D" getter like new 1963 (56/40 and 57/40)
(!!!!) 6DJ8=ECC88 Philips by Sylvania NOS 1987 mismatched sections (9.6/16ma)
(!!!) (2nd Best Pair) ECL82=6BM8 Philips Mullard UK NOS 1969 same date codes (1.7/31.5ma and 1.7/35ma)
(!!!) (Best 6112 Pair) 6112 Philips JAN 1980's (.7/.7ma and .7/.8ma) 1-2% matched (Audio Note, Musical Fidelity)
