6W4GT GE NOS 1958 (2 in stock)
6X5GT Sylvania chrome top NOS 1958 (51/40 and 52/40)
6Y6G Arcturus by Tungsol coated glass used/good/70% 1940's (43ma) tested on amplitrex
6Y6G GE used/good/75% 1958 (46ma) tested on amplitrex (high Gm)
6Y6G National Union coated glass used/good/75% 1952 (46ma) tested on amplitrex
6Y6G Westinghouse coated glass NOS 1940's (50ma) (tested on amplitrex)
7027A RCA metal base gray plate NOS 1960 (74.2ma)
7AF7 Sylvania branded Raytheon NOS gray round plates NOS 1948 printed in 1952 (10/10ma) 1-2% section balance
ECC82=12AU7 Siemens Halske "Long Ribbed Plates" and "O" getter NOS 1958 (10.4/11.8ma)
EL84 Amperex Bugle Boy Austria "D" getter used/good 1958 (32ma)
EL84 Siemens Halske Germany NOS 1967 (45ma)
JAN-CRC-6Y6G=VT-168A RCA coated glass used/good/70% early 1940's (42.5ma) tested on amplitrex
UY41=31A3 Amperex Bugle Boy France NOS 1964 (0 in stock)
UY41=31A3 Philips Miniwatt "D" getter halo NOS 1958 (1 in stock)