In Reply to: RE: Could be.... posted by Mister Pig on April 15, 2019 at 06:09:17:
1. Good, clean, external, DC power supply.
2. USB galvanic isolation.
3. Regenerated, single port, reclocked USB signal.
The PS Audio LanRover is a very good device for galvanic isolation, regenerating the isochronous USB signal.
The SU-1 has a noisy power supply, - many folks have either modded the SU-1 to use a much better external DC supply, - or just purchased the F-1 version of SU-1 which performs much better.
But if your Mac Mini is anywhere near your audio rack, - (One of the more important aspects of the LanRover is to get your noisy {multifunction} computer away from the audio rack), - it's not going to be as effective as using it as a layer 3 USB extender.
I think that other folks speculating about your DAC is a good start. When I read these exchanges, - I am curious about where your computer is, and what's going on with your power, and specifically, - if you have SMPSs sending noise back into your mains.
Cheers,
"Asylums with doors open wide,
Where people had paid to see inside,
For entertainment they watch his body twist
Behind his eyes he says, 'I still exist.'"
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Follow Ups
- 3 important USB considerations for great USB performance - Sordidman 04/16/1908:40:52 04/16/19 (2)
- RE: 3 important USB considerations for great USB performance - Mister Pig 06:23:58 04/17/19 (1)
- Thanks for the clarifications - Sordidman 10:09:36 04/17/19 (0)