6 Telefunken 12AX7 tubes. they are the desireable smooth plate-diamond bottom.
all 6 for 350 or 150 per pair.
they have just been tested by Terry Dewick and 5 of the 6 have almost perfect lettering and logo and one got the logo a bit rubbed.
test scores: 1700/1700, 1600/1600, 1500/1500, 1500/1600, 1500/1600, 1500/1600. Minimum good is 850.
