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(!!) (Best Pair) 5V4GA GE NOS "D" getter 1962 and 1976 same build (60-60/40 and 60-61/40)
(!!) (Best Pair) 6CA4 Tungsol branded RAD TEL NOS 1961 (52/40 and 52/40 x 2 tubes) 1% matched
(!!) (BEST PAIR) 6CS7 GE Canada black plates NOS 1964-1970 (20/11ma and 20.6/10ma)
(!!) (Best Pair) 6CZ5 RCA black plate 1960's same build (49.5ma and 51ma)
(!!) (Best Pair) 6EA7=6EM7 Sylvania coin-base NOS 1970's (1.8/53.6ma and 1.4/57ma)
(!!) (Best Pair) 6F8G Raytheon black parallel ribbed plates NOS 1940's (8.8/7.8ma and 7.4/7.6ma) (same Gm)
(!!) (Best Pair) 6SH7 GE metal can NOS 1976 (11.5ma and 11.6ma) **
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (47-47/40 and 47-48/40)
(!!) (BEST PAIR) FAA-12AL5 Sylvania NOS 1965 (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 PRICE) 6AQ5 and 6AQ5A Mixed Brands used/good (4 for $14.99)
(!!) (Best Quad #2) 6SH7 GE metal can NOS 1976 (8.6, 9, 9, 9mA)
(!!) (Best RCA Pair) 6JG6A RCA NOS 1970's (71ma and 73ma)
(!!) (Best RCA Pair) 6Y6GA RCA clear top black plate 1965 (67.5ma and 68ma)
(!!) (Best RCA Single) JRC-6189=12AU7WA RCA black plates "D" getter NOS 1957 (8.6/9.0ma)
(!!) (Best Single #2) 6111 France NOS 1962 (8.0/7.0ma)
(!!) (Best Single #2) 6SL7GT GE round chrome plates NOS 1969 (2.2/2.3ma) 1-3% section balance (Same Gm)
(!!) (Best Single Sylvania) 6EA7 Sylvania NOS 1960 era (2.1/43ma)
(!!) (Best Single) 12BH7A Channel Master Japan by Hitachi 1959 (14.2/13.2ma) (McIntosh, Quicksilver, Art Audio, Wells)
(!!) (Best Single) 12BY7A Tungsol NOS 1960 era (29.5ma)
