I will be using the tube amp mostly with my Beyers 1990pro. I have looked at the Schiit Lyr 3, Project Ember, and Massdrop CTH. If there are others that might fit the textbook sound of tubeyness please let me know. I realize different tubes have different sonic properties. I guess my question is two-fold: What Tube amp sounds the most "tubey" with the stock tubes and which sounds the most tubey with the right tube. Thanks in advance.