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(!!!!) (Best Pair) 5814A=12AU7 Sylvania Gold Brand triple mica nickel pins NOS "O" getter halo 1960 era - faded printing (10.0/10.8ma and 9.8/9.6ma) 1-5% matched
(!!!!) (Best Single) GB-6201 Sylvania Gold Brand NOS 1970 era (11.5ma/10.5ma)
(!!!!) (Best Single) JAN-5687WA Sylvania NOS 1967 (38/39ma) (Highest Ma and Gm)
(!!!!) (Best Single) JHS-5687WA Sylvania NOS 1966 (46/48ma) (Highest Ma and Gm)
(!!!!) (Single) GB-6922 Sylvania Gold Brand Gold Pins used/75% 1960's (8.0/8.4ma)
(!!!!) (Single) JAN-6189W=12AU7 Philips by Sylvania NOS 1987 (8.2/8.8ma)
(!!!) (Best Single) 12AU7WA=6189 Sylvania NOS 1960's (10/10ma) 1-2% section balance
(!!!) (Best Single) GB-5654=6AK5 Sylvania Gold Brand nickel pins 1970's (8.5ma)
(!!!) (Recommended Single) GB-6350 Sylvania Gold Brand black plates NOS 1962 square "D" getter (10.2/10.8ma)
(!!) (BEST PAIR #1) 6AS6 RCA gray plate NOS 1960's (6.3ma and 6.2ma) 1-2% matched (tubedrve)
(!!) (Best Pair #1) JHS-6AU6WA Sylvania NOS 1960 (8.3ma and 8.5ma)
(!!) (Best Pair #2) JHS-6AU6WA Sylvania NOS 1960 (7.5ma and 7.6ma)
(!!) (Best Pair) 5726=6AL5 Sylvania JAN NOS 1980 (48-48/40 and 48-48/40)
(!!) (Best Pair) GB-5726=6AL5 Sylvania Gold Brand Gold Pins NOS 1960's (49-50/40 and 50-50/40)
(!!) (Best Single) 5965 Sylvania NOS 1960's (21/19ma)
(!!) (Best Single) 6DJ8 Sylvania NOS 1970 (22ma and 21ma)
(!!) (set of 4) JG-5725=6AS6W GE "D" getter NOS 1956-1957 (4 tubes for $10.99)
(!!) (slightly microphonic) JHS-12AT7 Sylvania black plate "D" getter 1953 (11.2ma/11.2ma) 1% section balance
(!!) 12AU7WA=6189 Sylvania NOS 1960's (8.8/9.0ma)
(!!) GB-0A2WA Sylvania Gold Brand low hours/like new 1970 era
