(!!!!) (Best Single) EZ81=6CA4 Philips Australia NOS 1974 (58/40 and 58/40) (similar sound to EZ81 Holland) 1% section balance
(!!!!) (Best Value XF2 Pair) EL34 Mullard XF2 NOS (1) double halo "O-O" (1) single halo "O" 1966 and 1970 (75ma and 78ma)
(!!!!) (Long Plate Single) 12AU7 Mullard Heath UK long plates "O" getter used/good 1959 (8.8/9.0ma)
(!!!!) (NICE SINGLE) JAN-6922 Amperex USA like new 1971 (13.4/12.6ma)
(!!!!) (Read Review) 12AX7A=ECC83 Matsushita Japan NOS rebranded Raytheon NOS 1970 era (Gm=1800/1800 and 1.5/1.3ma) (similar to Mullard)
(!!!!) (Recommended Mullard Single) 6DJ8 RCA Mullard NOS "A" Frame getter halo 1976 (10.6/12.6ma)
(!!!!) (Recommended Pair) 5842=417A Amperex "PQ" USA Nickel Pins "O" getter halo NOS 1985 (35ma and 37ma)
(!!!!) (Recommended Quad) 6HA5=6HM5=EC900 Amperex Holland "Globe Logo" NOS in white boxes 1971 (9.8/9.8/10.0/10.2ma)
(!!!!) (Recommended Single 1964) 6DJ8 Amperex Bugle Boy Holland Tektronix Checked "o" getter halo tests like new 1964 (15.5/15.6ma) 1-2% section balance
(!!!!) (Recommended Single) 6DJ8 Philips Miniwatt Holland NOS 1960 era large "O" getter halo (18.0/19.4ma)
(!!!!) (Recommended Single) PCC88=7DJ8 Philips by Mullard UK NOS 1975 (12.2/12.6ma)
(!!!!) (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 Philips Holland low hours/like new 1967 (13.6/14.4ma) (sonically the same as Bugle Boy)
(!!!!) (Single) 6DJ8 Philips Miniwatt Holland used/tests like new 1961 (14.0/14.5ma) (similar sonically to Bugle Boy)
(!!!) (2nd Best Pair) 311B Amperex made in Russia NOS 1977 (31.8ma and 33.2ma) (very good construction)
(!!!) (Best Overall Single) E90F=6BH6 Philips SQ Holland NOS 1968 (8.4ma)
(!!!) (BEST PAIR) 6DJ8 Matshushita JAPAN branded RCA NOS 1975 (19/18ma and 17/20ma)
(!!!) (Best Pair) 6HA5=6HM5=EC900 Amperex Holland "Globe Logo" NOS in white boxes 1971-1972 (12.0ma and 12.8ma)
(!!!) (Best Single #2) 6688=E180F Amperex PQ USA NOS 1965 (15.2ma)