When I read that word used to describe a piece of gear (or listening session) I think of it just like how Kotta explained it. Everything is clicking together and you are enjoying the music instead of analyzing the system. Kind of like the days before you thought you had to upgrade.
"That's why is so important to have tons of equipment lying everywhere around the house!" ROTFLMAO
"That's why is so important to have tons of equipment lying everywhere around the house!" ROTFLMAO