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(!!!) JHS-6189=12AU7WA Sylvania NOS 1966 in white box (9.5/9.6ma)
(!!!!) (Single) JAN-6189 Sylvania NOS 1968 (9.0/8.2ma)
(!!!!) (Single) JAN-6189W=12AU7 Philips by Sylvania NOS 1987 (8.2/8.8ma)