I have Chord Mojo and mhdt NOS Constantine DAC. I use both in my setup depending on mood. Both very good but very different sound! For one who finds digital too edgy in general I’d go with the NOS Constantine. NOS DACs in general have a good rap for being very musical and easy on the ears. The Constantine sounds more like my vinyl. I’ve had the Constantine for a good 10 years now, the Mojo about a year. I enjoy the Mojo a lot but it has not retired the NOS Constantine.
I used to also have an mhdt Paradisea tube DAC. Tube rolling with that had big effect on the sound. I liked it best with the Tung Sol tube which made it sound less warm and more neutral and dynamic than the stock GE tube, more like the SS Constantine, so I sold it here a few years back and kept the SS Constantine. I’d buy another mhdt tube DAC in a heartbeat though if I had a need.