(!) 6SN7GTB Westinghouse USA gray plates "O" getter halo NOS 1961 (8.2/9.6ma)
(Good Value Pair) EL34 Mullard UK XF2 single halo used/good 1969-1972 (83.6ma and 85.6ma)
5440 Burroughs Nixie tube used (16 pins) (0 in stock)
5441 National Nixie tube used 1977 (16 pins) (0 in stock)
5441A Burroughs Nixie tube used 1969 (16 pins) (sold out)
5448 Burroughs Nixie readout tube used (16 pins) (1 in stock)
7788=E810F Amperex PQ USA NOS 1969-1970 (33ma)
7788=E810F Amperex PQ USA NOS 1983 (62ma) (strong Ma and Gm)
E80F=6084 Philips Holland NOS 1975 (3.2ma)
E80F=6084 Philips Miniwatt Holland NOS 1965 (3.0ma)
ECC808=6KX8 Telefunken Diamond Bottom NOS faded printing from rubbing inside box 1969 (.8/1.0ma Gm=1400/1500)
EF86 Amperex Germany by Valvo used/good 1963 (2.5ma)
EL84 Siemens Halske Germany used/70% 1969 (34.5ma)
EM84=6FG6 Telefunken used/good green eye 1963
GZ34 Raytheon Japan by Matsushita NOS similar sound and build to Mullard NOS 1970's (59/40 and 59/40 x 2 tubes)
JAN-5842 Amperex Globe Logo USA Gold Pins "D" getter halo low hours/like new 1969 (21.5ma and Gm=20,500)
JAN-5R4WGB Raytheon used/good 1975 (46/40 and 52/40)
JG-6189=12AU7WA GE double mica NOS 1963-1964 (10.2/12ma)
JG-6189=12AU7WA GE NOS 1964 (10.2/11ma)
JG-6189=12AU7WA GE triple mica NOS 1963 (8.6/10.4ma)