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(!!!) (Best Single) 6350 RCA black plates NOS "O" getter NOS 1960's (16.0/16.2ma) (Highest Ma and Gm)
(!!!) (Best Single) 6AS7G RCA branded GE clear top black plates like new 1950 (83.5/93.2ma)
(!!!) (Best Single) 6BQ5 Sylvania black plate NOS 1950's (55.5ma)
(!!!) (Best Single) 6BX7GT Sylvania "O" getter NOS 1960's (73.6ma/83.3ma)
(!!!) (Best Single) 6BX7GT Sylvania Motorola triple mica "O" getter NOS 1963 (73.6ma/75.6ma) (close triode balance)
(!!!) (BEST SINGLE) 6CA4=EZ81 GE NOS 1970 (55/40 and 55/40) 1% section balance
(!!!) (Best Single) 7025 Sylvania NOS 1970's (Gm=2200/2300 and 1.4/1.5ma)
(!!!) (Best Single) E80CF=7643 Valvo branded Amperex Germany PQ NOS 1961 (Premium 6BL8 SUB) (Highest mA and Gm)
(!!!) (Best Single) GZ30=5Z4GT Mullard UK NOS 1962 (56/30 and 56/30) (rare) 1% section balance
(!!!) (Best Single) GZ30=5Z4GT Mullard UK NOS 1962 (57/30 and 58/30) (rare) 1-2% section balance
(!!!) (BEST SINGLE) GZ32 Miniwatt Dario France NOS 1955 era (63/40 and 63/40) small rattle inside base
(!!!) (Best Singles) 374A Western Electric black plate used/test like new 1960's (21-25ma) (8 in stock)
(!!!) (BEST SOUNDING PAIR) 5Y3GT RCA Motorola NOS 1970 (56-60/40 x 2 tubes)
(!!!) (Best Sylvania Single) 8417 Sylvania NOS branded Westinghouse NOS 1973 (113mA)
(!!!) (Best Value #2) 12AX7A RCA gray ribbed plates "O" getter halo NOS 1973 (1.0/0.9mA and Gm=1400/1550)
(!!!) (Best Value Pair) 12SN7GTA GE coin-base side getter NOS 1980 (7.2/8.2ma and 7.2/7.6ma) 1-3% matched (Same Gm)
(!!!) (Best Value Pair) 5Y3GT Philips Holland NOS 1960's (60-68/40 and 60-69/40)
(!!!) (BEST VALUE PAIR) 5Y3GT RCA Motorola NOS 1970 (55-65/40 and 55-63/40) (best sound)
(!!!) (BEST VALUE PAIR) 6X5GT GE coin-base NOS 1970's (50-50/40 and 51-52/40)
