The treble shrillness isn’t present at lower volumes. I was thinking it was a combination of the Rotel, Eversolo and Wharfedales all when at higher volumes. When using the Eversolo internal DAC, it was more pronounced.
Wasn’t sure if using a R2R DAC with a DDC would help tame it or if a tubed pre-amp might be a better solution. Using a sub i thought i could listen at a lower volume.