> These were in fact taken at the DAC input, except the last one which was > taken at the hcu04.
I was tired when I read your post - now it's obvious, sorry! Interesting then, it seems there's around 10ps or so added by the circuitry / traces between the clock and the DAC, which is pretty good, but explains the audible benefit of the direct feed I've now implemented, which has made this little unassuming box sound rather marvellous and very engaging! It might be interesting too to try a linear reg dedicated to the 'U04, in order to see the benefits of that, which I would expect to be clearly resolvable, although one does need to implement it with care to optimise results*. Great stuff, thanks for sharing it! Andy. * re-reading it looks as if you may have tried this - the pk-pk change is probably simply down to the spectra of the PSU noise, with the skirts being affected more than the main distribution of jitter? -- Andrew L. Weekes _______________________________________________ audiophiles mailing list [email protected] http://lists.slimdevices.com/lists/listinfo/audiophiles
