@hgeifman Great post but your information is not correct. From SA.
No horse in the race, I have ansuz d3
High-Permeability EMI Absorber
A highly permeable EMI absorber (>120 @1MHz) is applied inside the system to reduce electrical interference.
high performance emi absorber
Noise-filtering Power Adapter
Medical-grade power adapter to provide stable power and ensure precise operations.
Also this YT Video from Hans points out that SA makes some of the components in the EE SW8.
https://www.youtube.com/watch?v=WuQSA7sRWfA
https://jatstereo.com/products/silent-angel-bonn-n8-audio-network-switch