I’m sorry I made a mistake. I heard no difference between the Schiit Bifrost original model and the Bluesound Vault 2 DAC. NOT the Emotiva. I did hear a difference with the Topping D90SE. I’m guessing there’s not much difference between the Bifrost and the Vault.
@audphile1 thanks for the input about the Brimar tubes from upscale audio, got my Rega P6 from them