Audiophile bullshit knows no bounds. Behold, a mediocre 10MHz rubidium reference for $7k (normal price ~$150-$500). https://en.antelopeaudio.com/products/audiophile-10m/ … Best part is they clock a DSD DAC off of it. I'm sure the 882/3125 fractional PLL they need for that adds no jitter or instability. Nooope.
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But to actually use one to "properly" drive a DAC that I can only assume would have to be bespoke, and the engineering and Fab effort necessary for something so worthless...
The whole thing is nonsense anyway because for audio you only care about short-term jitter, not long-term stability or frequency accuracy. You could use the cheapest ceramic resonator and it would make no difference as long as your clocking circuit doesn't have too much jitter.
