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(!!!) (Best Overall Single) E90F=6BH6 Philips SQ Holland NOS 1968 (8.4ma)
(!!!) (Best Single E90F=6BH6 Philips Holland NOS 1963 (10.2ma)
(!!) (Best Pair #2) E90F=6BH6 Amperex Holland NOS 1963 (6.5/6.8ma) (Marantz 8B)
(!!) (Best Pair) E90F=6BH6 Amperex Holland NOS 1963 (7.3/7.5ma) (Marantz 8B)
(!!) 7693=E90F=6BH6 Philips Holland PQ NOS 1964 (6.4ma)