Have a look at Van Alstine. They may have what you need. Few months ago I bought a used Synergy 450 (225 wpc @ 8 ohms) directly from the AVA website to use with my EgglestonWorks Fontaine Signatures (legacy now per EW website) and am enjoying it greatly. It has transformed my listening volume to a lower level because it’s all there - dynamics, detail, space between instruments, full and robust.