The most recent iteration of the K&K uses the 6h23p-eb/6922/E88CC. I have the Maxxed-out version (Cardas caps, Lundahl LL1931 SUTs) of this phono stage, and enjoy it considerably. It is extremely revealing of what is fed into it, very quiet and transparent. If you are looking for euphonic replay of vinyl, I would look elsewhere.
-Richard
-Richard