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(!!!!) (1 Pair) 5654=6AK5 Raytheon Toshiba Japan NOS 1970's (6.9ma and 7.3ma)
(!!!) (Pair) JTL-6AK5 Tungsol gray plate "D" getter used/good 1952 (5.7ma/5.8ma)
(READ REVIEW) 5654=6AK5 Raytheon Toshiba Japan NOS 1970's (7.2ma and 7.3ma) (same Gm)