Mahler123, you mentioned you don’t want to use a PC. Can I ask what you have Audirvana running on?
I am using a Mac Mini, “headless” without a keyboard mouse or display and connected directly to my DAC via USB.
On another note, my Mac storage is hybrid solid state and mechanical, which in theory is not supposed to be as good as pure solid state due to added noise on the USB line as well as emitted noise. Not sure this is proven to have an effect though.
Finally, for those saying Roon doesn’t sound quite as good as Audirvana or others, Roon’s Knowledge base indicates that to maximize sound quality, the Roon “core” must be physically separated from the hardware running the player that is connected to the DAC. The core is supposed to be connected via Ethernet for maximum SQ. I believe this is to isolate the audio rig including DAC and player from noise generated by the hardware the core is running on, but I’m not totally sure on the reasoning behind this. Anyhow, just wondering if some who are saying Roon is inferior may be deploying the core and player on one single device which is connected to the DAC. Roon works this way but they don’t suggest it in there Knowledgebase.