(!!!!) (Best Value Single) GZ34 Mullard NOS rebranded Sylvania NOS 1971 (60/40 and 60/40) (Modwright power supply)
(!!) (1 set of 10) 6SH7 GE metal can NOS (10 tubes for $34.99)
(!!) (2nd Best Pair) 7199 Sylvania NOS 1960's and 1985 same build (12.5ma/9.6ma and 12.3/10.2ma) 1-3% matched
(!!) (2nd Best Sylvania Single) 7199 Sylvania NOS 1960's (11.6ma pentode, 10.2ma triode)
(!!) (Best Pair) 0B3 Sylvania NOS 1940's (argon)
(!!) (Best Pair) 0B3=VT-184 Sylvania NOS 1943-1944 (argon)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (10.2, 10.2, 10.2, 10.2mA)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (10.4, 10.5, 10.6, 10.6mA)
(!!) (Best Quad) 6SH7 GE metal can NOS 1976 (11.0, 11.2, 11.4, 11.4mA)
(!!) (Best Value Quad) 6SH7 GE metal can NOS 1976 (8.6, 9, 9, 9mA)
(!!) (Recommended Pair) 0B3 Sylvania NOS 1960's (argon)
(!!) 7199 Sylvania branded GE NOS 1969 (14.5ma pentode/9.0ma triode)
(!) (PAIR) 5BQ7A Dumont by GE gray plates NOS 1973 "U" and "O" getter (7.0/7.4ma and 7.0/6.6ma)
(!) (PAIR) 5BQ7A Dumont by GE gray plates NOS 1973 (12.6/10.2ma and 9.2/13.5ma)
(!) (PAIR) 5BQ7A Dumont by GE gray plates NOS 1973 (8.3/8.0ma and 8.6/9.8ma)
(!) (PAIR) 5BQ7A GE gray plates NOS large "U" getter halo 1961 -1964
(!) 12AX7A GE used/good 1981 (Gm=1150/1350, 0.6/0.8ma)
(!) 12AX7A GE used/good 1981 (Gm=1250/1250, 0.6/0.7ma)
(!) 12AX7A GE used/good 1981 (Gm=1250/1350, 0.6/0.8ma)