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(!!!!) (Best Pair #3) 5763 Sylvania JAN NOS 1974 (33ma and 34ma)
(!!!!) (BEST PAIR #3) 6C4WA GE JAN NOS 1980-1981 (8.6/9.0ma) (Same Gm)
(!!!!) (BEST Pair #3) 6CW4 GE NOS 1974-1978 (105/60 and 107/60) (strong emission)
(!!!!) (BEST PAIR #4) JAN-6005W GE NOS 1980-1981 (42.0ma and 42.6ma)
(!!!!) (Best Pair 1960) 12AX7 GE tall gray ribbed plates "U" getter like new 1960 (1.2/1.2ma and 1.3/1.2ma) 1-3% matched
(!!!!) (Best Pair 1963) JG-5751 GE double mica gray plates NOS 1963 (2.0/2.2ma and 2.0/2.1ma)
(!!!!) (Best Pair) 12AT7=6679 GE gray plates NOS (9.5/10ma and 9.8/10.5ma)
(!!!!) (Best Pair) 12SN7GTA GE coin-base side getter NOS 1980 (10.4/10.8ma and 10.4/10.0ma) (same Gm)
(!!!!) (Best Pair) 12SN7GTA GE coin-base side getter NOS 1980 (11.4/10.6ma and 10.8/10.6ma) 1-3% matched (Highest Ma and Gm)
(!!!!) (Best Pair) 12SN7GTA GE coin-base side getter NOS 1980 (8.4/8.0ma and 8.2/8.4ma) 1-2% matched
(!!!!) (Best Pair) 12SN7GTA GE coin-base side getter NOS 1980 (8.8/9.4ma and 8.4/9.0ma) (close Gm)
(!!!!) (BEST PAIR) 2A3 Ken Rad branded GE coated glass NOS 1949-1950 (110ma and 103ma) (close Gm) (sound fantastic)
(!!!!) (BEST PAIR) 5751 GE "5 Star" NOS "O" getter 1968 very good printing (2.2/2.2ma and 2.2/2.1ma) 1-2% section balance
(!!!!) (BEST Pair) 5963=12AU7 RCA NOS ribbed plates 1965-1973 (12.4/12.6ma and 11.4/11.6ma) (Highest mA and Gm)
(!!!!) (BEST PAIR) 6C4WA GE JAN NOS 1973-1980 (8.4/8.2ma)
(!!!!) (Best Pair) 6CA4 RFT East Germany (Funkwerk) NOS 1970's (49/40 and 50/40 x 2 tubes) 1% matched
(!!!!) (BEST Pair) 6CW4 GE NOS 1966-1970 (117/60 and 118/60) (strong emission)
(!!!!) (BEST Pair) 6CW4 GE NOS 1975-1976 (120/60 and 120/60) (strong emission)
(!!!!) (Best Pair) 6FQ7 GE NOS 1960's (7.5/8.0ma and 7.0/7.2ma) (Close Gm) 1-5% matched
(!!!!) (Best Pair) 6FQ7 Zenith by GE NOS 1977 (7.2/8.0ma and 7.0/7.8ma)