Clocking: again!


There are all manner of folk claiming that clocking is irrelevant to Ethernet and USB connections. While this is obviously ignorant of the RMI/EMI and ground level effects on DA conversion and the analogue stages of a DAC, the level to which digital clocking matters was again brought into stark relief when I changed the clock cable between the Antelope 10m clock and the Etherregen from the cable supplied by Antelope to a Shunyata Clock75 Sigma cable. Shazam! Everything jumping into focus and significantly more snap and reverb. In our hobby everything matters and we are only at the very beginning of optimizing streaming.

antigrunge2

I am afraid a TXCO clock, possibly with a generic BNC cable in most cases will be inferior to the internal clock of your DAC resulting in a very pointy and ultimately unpleasant sound. As I said in my original post superior cables are needed if you go to an external master clock and that clock has to be OCXO or Rubidium to be better than the Dac‘s own. The idea is not to add more but better clocking, both in terms of accuracy and phase noise.

Yes, ocxo and rubidium clock superior to txco, my switch was advertised as ocxo clock, I opened up and discovered txco clock. Regardless, I presume I'd have unhappy with ocxo clock as well.

 

I'm convinced enough of my presumptions that any more clocking upgrades not on horizon for me. My present planned upgrades will  be all discreet componentry. Roon library on present modded mac mini to either diy or Euphony Summus server running Stylus OS to Euphony streamer/endpoint to dac, all components running LPS. Already have all AQ Vodka ethernet, AQ Diamond usb and FMC. Server processing power will be sufficient for HQPlayer DSP if desired.

 

 

My research has convinced me all discreet components optimum setup, running multi services within one component noisier. Things are getting more complex, not less for me. Clocks are of secondary importance for me at this point. My dac already runs ocxo clock.

I already run LPS on Etherregen and the Chinese clock , both have home brew power cords and feed from an Isotek sigmas gen 2 with a DC blocker on the power cord feeding the isotek.

I have built and engineered (including hands-on physical inspection and RF analytics) of 100s of thousands of  Ethernet ports. Ethernet does not have a clock on the wire.

If you are running industrial Ethernet (e.g. Electrical grid switching, trading floors, IP Studio - SMPTE 2110, AES67, Dante etc.) you may need to run Precision Time Protocol IEEE 15888, but no-one is doing that domestically!

Sorry maxwellseq reality isn't a commodity accepted here. Give us your over the top useless personal anecdotal blabber referencing psuedoscience double talk the sellers of these components use to get idiots to buy this nonsense. Then you'll be in the club.