(!) (#2 6EW7 Single Tube) 6EW7 GE Japan BIG BOTTLE NOS 1960's (5.0/37ma)
(!) (Best Toshiba Single) 12AX7 Toshiba Lindal Japan NOS 1960's (Gm=1800/1800)
(!) (MULLARD CLONE) 12AX7=ECC83 Matsushita Japan NOS 1960's (Gm=1600/1500 and 1.2/1.0ma) (similar to Mullard)
(!) (MULLARD CLONE) 12AX7=ECC83 Matsushita Japan used/good 1960's (Gm=1450/1250 and 1.3/1.1ma) (similar to Mullard)
(!) (Recommended Pair) EL36 Haltron Japan clear top NOS 1960's (86ma and 93ma)
(!) (slightly microphonic single) 12AU7 Hitachi JAPAN branded IEC Mullard NOS ribbed plates 1968 (9.4/11ma)
(!) 12AU7A Hitachi JAPAN branded Realistic Lifetime NOS ribbed plates 1960 era (9.2/12.2ma)
(!) 12BH7A Toshiba rebranded "Bell and Howell Schools" like new 1960's (9/10.4ma)
(!) 12HG7=12GN7A GE USA NOS (52ma and 56ma)
(!) 12HG7=12GN7A GE USA NOS (62ma and 66ma)
(!) 12HG7=12GN7A GE USA NOS (71ma and 68ma)
(!) 6AN8A GE NOS 1961 (14.8/13.6ma)
(Best Value Single) 6BQ5 Hitachi Japan used/tests like new 1960's (44.5ma)
(PAIR) 6AX4GT RCA used/very good (54/40 and 54/40)
(slightly microphonic tube) 12AU7 RCA tall black ribbed plates "D" getter halo tests like new 1950's (9.4/10.0ma)
(slightly microphonic tube) 12AU7A RCA tall black ribbed plates "D" getter halo used/tests like new 1950's (8.2/8.8ma)
(slightly microphonic tube) JRC-12AU7 RCA tall black ribbed plates "D" getter halo tests like new 1950's (9.6/10.4ma)
(slightly microphonic) 6BC8 Raytheon Japan branded Great Britain NOS 1970's (10.8/12.2ma) (High mA and Gm)
0B2 Japan NOS rebranded Amperex Globe Logo Holland 1970's (4 in stock)
0B2 Japan NOS rebranded GE Great Britain 1970's (1 in stock)