Thanks amir, appreciate the return of the thermal testing again (and also love the new level vs SINAD graph that started recently).
Okay, so it seems the 4499 has brought some ugly-ness with it. Firstly, whats up with devices jitter performance aside from USB being pretty meh. Manufacturer went out of business? That's fine, but the same source provides Coax AND Toslink? Doubt that, there's no way no manufacturer exists anymore that produce these in the quality that existed just a year ago...
Second, no output buffer? While it's nice companies are going for outright distortion performance in these new chips (though I really doubt these are the best implementations), Not happy seeing regressions elsewhere in performance. If power had to be axed, I'd accept that seeing as how all these produce far more power than I can reasonably fathom anyone would need out of a DAC. Or if something like build quality had to be axed, I'd somewhat stomach that. But lets not have performance specifically be axed for another performance metric.
Another thing now confirmed is, AKM done messed up. Where's the nice ~20.5Khz brick wall filter? AKA Sharp, as it was called in the older chips? Not happy to now see that gone. Just seems like they forgot or something.
Lastly, what's going on in this industry, I know it's like the Wild West with no standards or whatnot. But I tried looking for standards in output and input impedances of devices and I can't find jack. Am I fruitless in this search because I am inept, or because it's the case there are no standards?