I agree that can be a problem. I fix it by buying RCA cables that have a little cylinder they wrap around (I’m thinking it is called a toroidal transformer or something like that). Usually takes the hum out. If not, I go after cable runs to make them perpendicular to power cables. Etc. etc.


BIAB 2026 Win Audiophile. Software: Fender Studio One 8, Swam horns, Acoustica-7, Notion 6, Song Master Pro, Win 11 Home. Hardware: Intel i9, 32 Gb; Presonus Quantom HD8 & Faderport 8, Royer 121, Adam Sub8 & Neumann 120 monitors.