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(!!!) (BEST PAIR) 6JB6A RCA branded GE NOS 1960's (80ma and 86ma)
(!!!) (Recommended Single) 6EU7 RCA NOS 1971 (53/32 and 45/32)
(!!!!) (Best Single #1) 6SN7GTB RCA NOS 1957 (10/9.8ma)
(!!) (Best Pair) 12DT8 RCA gray plates NOS 1970's (11/12.2ma and 11/12.6ma)
(slightly microphonic tube) JRP-5687 Raytheon NOS black plates D getter NOS 1956 (40.5/45.5ma)
7687 Sylvania NOS 1962 (sold out)
5879 RCA branded Raytheon chrome shield NOS 1970's (1.7ma)
(!!!) (PAIR) 6AL5 RCA NOS 1970 era (47-47/40 and 47-47/40)
(!!!!) (Single) 6L6G RCA branded Philco black plate NOS 1940's (61ma)
6F8G RCA gray ribbed staggered plates NOS no printing 1950 era (7ma/8ma)
(1) (Best Value) 5V4G RCA used/tests like new 1954 (59/40 and 60/40)
(!!!) (BEST SINGLE) 6F6G RCA NOS 1950's (45.5ma)
56 RCA used/good 1940's plate slightly tilted (4.9ma)
(!!!) (BEST PAIR) 5R4GYB RCA branded Westinghouse NOS 1966 (54-52/40 and 52-52/40)
(!!!) (Good Value) 12AX7 RCA "long gray plates" with "D" getter used/good 1950's faded printing (0.8/0.8mA and Gm=1500/1600) Gm like new
(!!!!) (Pair) 6JT6A RCA NOS (90ma and 84ma)
(!!) (Best RCA Single) JRC-6189=12AU7WA RCA black plates "D" getter NOS 1957 (8.6/9.0ma)
(!!) (Single) 6SN7GTB RCA NOS 1958 tilted glass (8.8/9.2ma) (Gm the same)
5R4GYB RCA used/strong 1970 (52/40 and 54/40)
(!!!!) (Single) 12AX7 RCA Motorola black plates "D" getter used/good 1953 (0.8/0.8ma and Gm=1400/1400) 1% section balance
