(!!!!) (Recommended Pair) EL34 Mullard branded Philips and GE NOS XF4 1977-1979 (99ma and 101.5ma)
(!!!!) (Recommended Pair) JAN-6189W Sylvania NOS 1974-1976 (9.2/10.2ma and 9.3/9.4ma) (Same Gm)
(!!!!) (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 1965) EL34 Philips Miniwatt by Mullard XF2 double round getter halo "O-O" NOS 1965 (76ma)
(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1972 (16.5/19.8ma)
(!!!!) (Single) 6DJ8=ECC88 Sylvania JAN NOS 1975 (19/24.5ma)
(!!!!) (Single) 6DJ8=ECC88 Sylvania NOS 1960's (12/16ma)
(!!!!) (SINGLE) 7581A GE tan base NOS 1965 (62ma)
(!!!!) (SINGLE) EZ81 Bogen Mullard Blackburn UK "D" getter like new 1963 (56/40 and 57/40)
(!!!!) (Single) GB-6922 Sylvania Gold Brand Gold Pins used/75% 1960's (8.0/8.4ma)
(!!!) (2nd Best Pair) ECL82=6BM8 Philips Mullard UK NOS 1969 same date codes (1.7/31.5ma and 1.7/35ma)
(!!!) (Best Matched Quad #1) 5Y3GT Philips Holland NOS 1960's (1 set of 4)
(!!!) (Best Mullard Pair) EZ80=6V4 Mullard La Radiotechnique Chartres plant France NOS "O" getter halo 1970 (64-64/40 x 2 tubes) 1% matched
(!!!) (BEST OVERALL SINGLE #2) GZ32 Miniwatt Dario France NOS 1956 (63/40 and 63/40) small rattle inside base
(!!!) (Best Overall Single) E80F=6084 Miniwatt SQ Holland Special Quality Gold Pins "D" getter NOS 1960 (3.2ma)
(!!!) (BEST OVERALL SINGLE) GZ32 Miniwatt Dario France NOS around 1955 (63/40 and 63/40) small rattle inside base