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(!!) (BEST PAIR #1) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (4.6ma and 4.6ma) (same Gm) 1-2% matched
(!!) (BEST PAIR #1) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (6.5ma and 6.2ma)
(!) (BEST PAIR #2) JAN-5725W=6AS6 Philips by Sylvania black plate NOS 1982 (5.2ma and 5.2ma) 1% matched
(BEST PAIR) JAN-5725W=6AS6 GE gray plate NOS 1973-1977 (4.4ma and 4.5ma) (same Gm)
(PAIR) JAN-5725W=6AS6 GE gray plate NOS 1986 (4.2ma and 4.1ma) (strong Gm)
