Those cheap plastic strips for computers definitely affect sonics.
Wiremold makes a very transparent power strip with no filters. There are many configurations, the best being aluminum with 6 ft. cord.
https://www.mscdirect.com/industrialtools/wiremold-power-strip.html
Wiremold makes a very transparent power strip with no filters. There are many configurations, the best being aluminum with 6 ft. cord.
https://www.mscdirect.com/industrialtools/wiremold-power-strip.html