Ever wonder why a record stops sounding great after thirty minutes? It is...

https://wiki-triod.win/index.php/The_Forgotten_Variable:_A_Listening_Room_Checklist_for_Comfort_Before_Sound_Tweaks

Ever wonder why a record stops sounding great after thirty minutes? It is usually just physical fatigue. Try raising your speakers to ear level today. You will hear more detail when your neck is not stiff. Comfort is the key to deep listening.