(!!!!!) (BEST VALUE PAIR) 6SL7GT GE branded RCA coin-base 1970's series filament - round silver/chrome plates (1.8/1.8ma and 2.0/1.8ma) 1-5% matched
(!!!!!) (Recommended Single) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (56/40 and 60/40)
(!!!!!) (Single) 6V6GT Ken Rad coated glass NOS 1940's (40.5ma)
(!!!!!) (Single) 6V6GTA Sylvania coated glass NOS 1950 era (53ma)
(!!!!) (10 for $24.99) 6AU8 Sylvania NOS
(!!!!) (2nd Best Pair) CV4004=12AX7 Mullard NOS 1981 (0.9/0.9ma and 0.9/1.0ma)
(!!!!) (Best Overall Single) 5670W GE JAN NOS 1986 (9.8/10ma)
(!!!!) (BEST PAIR) 6C4WA GE JAN NOS 1974-1975 (10.4/10.8ma) (same Gm)
(!!!!) (Best Pair) JAN-6189=12AU7WA Sylvania NOS 1972-1973 (9.3/10.4ma and 9.6/10.6ma) 1-3% matched
(!!!!) (Best Price) 6AU8 Sylvania NOS (4 for $9.99)
(!!!!) (Best Price) 6AU8A RCA NOS (4 for $9.99)
(!!!!) (BEST PRICE) 6X4 SER = LM Ericsson Sweden "D" getter NOS 1950's (3 in stock)
(!!!!) (BEST SINGLE) 12AU7A GE NOS 1963 copper grid posts (11.4/11.6ma) 1-2% section balance
(!!!!) (Best Value Pair) 5U4GB GE NOS 1960's (58-60/40 and 60-60/40)
(!!!!) (Best Value Pair) 6021=CV3986 Mullard UK Whyteleafe plant NOS 1972 original boxes (4.4/7.0ma and 4.8/6.0ma)
(!!!!) (Recommended GE Pair) 5U4GB GE NOS 1966 (56-59/40 and 56-58/40)
(!!!!) (Recommended GE Pair) 5U4GB GE NOS 1968 same date codes (58-60/40 and 58-60/40)
(!!!!) (Recommended GE Pair) 6FQ7 Zenith by GE NOS 1977 1-3% matched (7.0/7.6m and 6.8/7.5ma)
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.4/8.6ma and 7.8/8.8ma)
(!!!!) (Recommended Pair) 5670W GE NOS 1986 (7.6/9.0ma and 8.0/9.4ma) 1-3% matched
