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(!!!!) (Single) 6DJ8 Philips Holland low hours/like new 1967 (13.6/14.4ma) (sonically the same as Bugle Boy)
(!!!!) (Best Single 1958) 6922 Amperex Holland curved "D" getter 1958 NOS (16.2/17.8ma) (same sonics as pinched waist version)
(!!!) 12AU7WA Mullard branded Chelmer Valve used/good 1961 (7.7/8.8ma)
(!!) (#1 12AT7 France) 12AT7 Philips Miniwatt France NOS 1964 in white box (7.4/7.8ma)
(!!) (Best Value Single) ECC85=6AQ8 RCA Canada NOS 1970's (12.6/11.0ma)
(!!!!) (Best Pair #2) ECL82 Philips Holland NOS 1959-1966 (2.1/33ma and 2.1/33ma) 1-2% matched
(!!) (Best Value Holland 1959) 12AX7 ADZAM Holland NOS 1959 large "O" getter halo (.8/1.1ma and Gm=1400/1600)
(!!) (SINGLE) 6BM8=ECL82 Valvo Holland used/good 1960 (1.9ma/34ma)
(!!!!) (Best Single 1961) 12AX7=ECC83 Philips Miniwatt Holland 1961 large "O" getter halo NOS (1.8/1.3ma and Gm=2100/1700)
(!!) (Good Value Single) ECC82=12AU7 Philips Miniwatt Holland used/good 1965 (7.8/10ma)
(!) E80CF Valvo Germany rebranded Philips Miniwatt SQ "PINCHED WAIST" NOS 1961 (6BL8 substitute)
(!) E80CF Valvo Germany rebranded Philips Miniwatt SQ "PINCHED WAIST" NOS 1962 (6BL8 substitute)
(!) (Best Value Single) ECL82 EI Yugo branded RSD Germany in RSD box NOS 1974 (1.7/33ma)
(!!!) (READ REVIEW) 6922 US Navy Amperex and Amperex branded RCA USA NOS 1963-1964 (18.8/17.6ma and 18.5/20.2ma) (close Gm matching) (Audio Research, Nova, CAT, CJ, Lab 12)
(!!) (Best Value Single) 12AU7A=ECC82 Mullard UK ribbed plates used/tests like new 1962 (Gf1 series) (10.0/12ma) 1-2 section balance (Same Gm)
(!!!!!) (Best Pair #1) ECL82=6BM8 Philips and Philips Miniwatt Holland NOS 1963-1966 (2.1/39ma and 2.0/40ma) 1-2% matched
(!!!!!) (Best Single) E81CC=6201=12AT7 Philips Mullard UK SQ NOS gold pins 1974 (9.6/10ma) 1-3% section balance
EBC33 Mullard branded Philips Miniwatt NOS 1950 (1 in stock)
ECH3 Philips Miniwatt 1940's used/good
ECH3 Tungsram used/good 1940 era
