I had an Ayre C5xeMP and did exactly what you propose. I chose a Holo Audio Spring Kitsune Level 3 DAC which I see has now been upgraded.
https://kitsunehifi.com/product/springdacgreen/
The sound was fantastic. I then decided to go on a sole CD transport hunt and sold the Ayre. In hindsight I should have kept it. This DAC is an R2R ladder design, the folks at Holo Audio are very helpful. Read some of the reviews and good luck on your journey.
https://kitsunehifi.com/product/springdacgreen/
The sound was fantastic. I then decided to go on a sole CD transport hunt and sold the Ayre. In hindsight I should have kept it. This DAC is an R2R ladder design, the folks at Holo Audio are very helpful. Read some of the reviews and good luck on your journey.