Depending on how much power you think you need, here are a couple Hegels that are reputed to have very high damping factors…
https://www.usaudiomart.com/details/650063339-hegel-h190-sealed/
Krell would also seem to be a great choice, so I think you’re on the right track. From what I’ve read the Krell might be a little warmer sounding of the two, but take that for what it’s worth. Best of luck.