(!!!!) (Recommended Pair) 12AX7 Philips and Valvo Holland NOS 1965-1966 era (1.2/1.1ma and 1.3/1.2ma)
(!!!) (Best Mullard Single) 6688=E180F Mullard branded Philips SQ gold pins NOS 1971 (11.5ma)
(!!!) (Single) 6688=E180F Amperex PQ USA NOS "O" getter 1968 (9ma)
(!!) (Best 6GV8) 6GV8=ECL85 RCA Holland NOS (1 in stock)
(!!) 45 RCA Victor NOS in RCA box 1948 (39ma)
(!!) 6SL7GT Sylvania NOS 1960's (2.6/2.2ma) (Eddie Current)
(!!) 6SL7GT Sylvania NOS branded Westinghouse tall bottle 1955 (2.8/2.7ma)
(!!) 6SL7GT Sylvania NOS branded Zenith 1950's tall bottle (3.0/2.9ma)
(!!) 6SL7GT Sylvania NOS tall bottle 1955 (2.0/2.2ma)
(Best Value) 6U8A Rogers Canada NOS 1974 (14.8ma triode and 8ma pentode)
12SK7GT Rogers Canada used/tests like new 1950's slightly tilted glass (8.8ma)
5Z4 Ken Rad NOS 1946 (53/40 and 53/40)
5Z4 Ken Rad NOS 1949 (53/40 and 53/40)
5Z4 Rogers Canada NOS 1959 (51/40 and 51/40)
6688=E180F National UK black plate NOS probably made by Amperex (9ma)
6688=E180F National UK gray plate NOS probably made by Amperex (16ma)
6AL3=EY88 International Japan Half-Wave HV Rectifier NOS (1 pair)
6AL3=EY88 RCA France 1969 Half-Wave HV Rectifier NOS (1 in stock)
6AL3=EY88 Rogers Holland 1968 Half-Wave HV Rectifier NOS (1 in stock)
6AX4GTB Rogers Canada NOS 1960's (52/40)
