(!!!!!) (Recommended 5 Star Single) 5751 GE "5 Star" gray plates triple mica "O" getter 1960 like new (2.2/2.1ma) (same Gm)
(!!!!!) (Recommended Pair) 12AU7A RCA clear tops NOS 1960 (13/10ma and 11/11.5ma)
(!!!!!) (Recommended Pair) 12BH7A GE NOS gray oval plates large "U" getter 1957-1960 (10/12ma and 10.2/14.2ma) (McIntosh, Quicksilver, Art Audio)
(!!!!!) (Recommended Pair) 6350 Sylvania black plates NOS 1950's "D=SQUARE" getter rebranded United (8.8/9.2ma and 9/10.2ma)
(!!!!!) (Recommended Pair) 6350 Sylvania rebranded United black ribbed plates NOS large "U" getter halo 1955-1957 (10.5/10.9ma and 10.0/10.7ma) 1-3% matched
(!!!!!) (Recommended Pair) 6C10 GE rebranded RCA NOS 1960's (Ampeg / Fender) (1.0ma/1.2ma/1.2ma) and (1.0ma/1.1ma/1.3ma)
(!!!!!) (Recommended Pair) 6C10 GE rebranded Westinghouse NOS 1970 era (Ampeg / Fender) (1.3ma/1.4ma/1.2ma) and (1.3ma/1.2ma/1.1ma)
(!!!!!) (Recommended Pair) 6EM7 Sylvania coin-base NOS 1970's (1.8ma/40ma and 2.3ma/43ma)
(!!!!!) (Recommended Pair) 6J5GT Ken Rad black ribbed plates NOS 1942 (8.0ma and 8.4ma)
(!!!!!) (Recommended Pair) 6SN7GT Tungsol parallel gray plates large "O" mica ears NOS 1953 (6.4/6.6ma and 6.4/6.8ma) (rare version) (Cary, Rogue)
(!!!!!) (Recommended Pair) E80CF=7643 Valvo branded Philips Miniwatt SQ NOS 1963 (PREMIUM 6BL8 SUB) (Tuners)
(!!!!!) (Recommended Pair) JAN-CTL6SL7WGT Tungsol NOS brown base gray ribbed plates 1961-1965 (2.1/2.2ma and 2.1/2.3ma) (low noise - very smooth sound) (phono grade)
(!!!!!) (Recommended Pair) PCC88=7DJ8 Philips Holland NOS 1973 (11.5/11.0ma and 11.5/12ma) (Similar sound to 6DJ8 Holland) (sweet sound)
(!!!!!) (Recommended Single) 12AU7 Mullard UK "long plates" and "O" getter 1958 (10.8ma and 11ma) (High mA and Gm)
(!!!!!) (Recommended Single) 12AX7 BRIMAR BVA England NOS narrow ribbed plates NOS 1960 (1.4/1.5ma) (Highest mA and Gm)
(!!!!!) (Recommended Single) JAN-5691 Sylvania black plates NOS 1979 (2.2/2.4mA (Best 6SL7GT sub) (same internals as 5691 red base)
(!!!!!) (Recommended Single) M8137=CV4004=12AX7 Mullard branded Philips box plates NOS 1966 (Gm=1500/1400 and 1.0/0.8mA)
(!!!!!) (RecommendedPair) JAN-5691 Philips by Sylvania black plates NOS 1984-1985 (2.0/2.2mA and 2.1/2.4mA) (Best 6SL7GT sub) (same internals as 5691 red base) 1-3% matched
(!!!!!) (Set of 4) 6J5GT Raytheon black ribbed plate NOS 1950 era (set of 4 tubes between 7-10ma)
(!!!!) (1 Pair) 408A Western Electric "D" getter NOS 1956-1961 (72/60 and 72/60)
