I know Andy Payor is fond of Gryphon amps so hard to see going wrong there. Another one that’d probably sound great is Vitus — here’s a nice one at a good price...
https://www.usaudiomart.com/details/649766445-vitus-sia-025-mki-integrated-amp/
Best of luck.
https://www.usaudiomart.com/details/649766445-vitus-sia-025-mki-integrated-amp/
Best of luck.