I have for sale a brand new quintet (5) of KT120's from Upscale Audio. They all match.
Put in amps to test only, they worked perfectly, and biased just fine. I put about 1hr on these tubes, and ratholed them for backups, of which I have no use for now.
Will let them go for $190 shipped CONUS.
Why do I have 5? I bought a quad and one had open filament, so they sent me 2 more. Kevin don't play, and I call that taking care of business!