@OP, these threads may interest you. I have walked in your shoes!
https://forum.audiogon.com/discussions/where-is-my-digital-problem-taste-vinyl-v-digital-dac-realiti...
https://forum.audiogon.com/discussions/can-you-help-pinpoint-why-i-am-now-satisfied-with-my-digital-...
https://forum.audiogon.com/discussions/i-m-getting-my-digital-closer-to-analog-while-retaining-the-g...
https://forum.audiogon.com/discussions/tube-rolling-in-doge-7-dac
https://forum.audiogon.com/discussions/where-is-my-digital-problem-taste-vinyl-v-digital-dac-realiti...
https://forum.audiogon.com/discussions/can-you-help-pinpoint-why-i-am-now-satisfied-with-my-digital-...
https://forum.audiogon.com/discussions/i-m-getting-my-digital-closer-to-analog-while-retaining-the-g...
https://forum.audiogon.com/discussions/tube-rolling-in-doge-7-dac