How can a rack on the side not mess with first reflections ?
Because you don’t plop it onto a 1st reflection point lol. Ideally it should be at around the same depth into the room as your seating position, or even further back.
If you have a turntable source (like me), sometimes moving the rack further away from speakers has its own benefit. IME, much more of the problematic stray energy is structure-borne, not air-borne. If you use subwoofers w/ vinyl - good luck lol.
@lovehifi22
For long XLRs, I don’t go crazy on the exotics. I hit up the used market for whatever of the older-line Audioquest 5m - 6m cables I can find, preferably with air tubes. These use good quality metals, and don’t mess with the sound in any particularly vexing way. Their older copper models like: King Cobra, Jaguar, Panther, Columbia, Colorado, Water, Earth - are all very good, and still sound good in long runs. I don’t need their expensive new lines’ "Zero" tech. On shorter runs and if I feel like splurging - sure, I love silver.