I own the same surround processor (C61R), Allo transport into a coax digital or a miniDSP usb-to-S/PDIF converter with 8 channels into the MD1 or MD2 inputs. I prefer to use Roon’s convolution engine for room correction with custom filters from homeaudiofidelity.com (HAF)
You will find much useful info on the Roon forum.
You will find much useful info on the Roon forum.