I have no experience with Denafrips Terminator series, but I can tell you the T+A 200 series are really good. And since you are familiar with the T+A house sound, you will know what to expect. I have the similar T+A HA 200 (headphone amp + DAC combo) and the T+A MP 200 (streamer / transport) on my headphones rig.
I understand this is not exactly what you asked, but I am chiming in nonetheless. I suspect the Terminator will sound different than the T+A given its completely different topology than the T+A DACs. Whether better or worse to your ears, I don’t know