This thread has made me curious about the reasons we may have for having multiple speakers. Which will lead to a question for those on this thread.
One obvious reason is that people may have multiple systems for multiple uses - e.g. main 2 channel "serious" listening system, and one in the office or whatever, so we can listen to music in more than one room. But it seems many of us go beyond and and have multiple speakers because we just like different speakers.
It seems interesting to contemplate the implications when we also think of research in to speaker preferences - e.g. all the research from Floyd Toole, Harman Kardon etc. Given there are speaker designs, brands like Revel and some others, that have been demonstrated as preferred in blind tests with a high statistical confidence, one could say "the safe bet if I want to like music through my system is to just buy one of those speakers and be done with it." But of course, there isn't just the facts of human taste/perception in strictly controlled sessions. There's variations on human psychology that operate outside of those conditions - e.g. the conditions under which we actually purchase and enjoy our equipment at home.
I just really like speakers. I like the fact that speakers sound different. I can appreciate what one speaker does that I like, vs another that may do something else that I like. I've yet to hear a speaker that 'does it all' in the sense of combining the disparate things I like about very different speakers. (E.g. I can very much enjoy a coloration sometimes in a speaker, other times really like neutrality and low coloration).
My personal hunch is that, psychologically, just buying a Harmon Kardon (or like) speaker wouldn't be the end-all for me, that it wouldn't just satisfy all my itches about speakers. I'm pretty sure I'd still want some other speaker designs around for variety just as I do now. (And when I auditioned Revel speakers while I admired them, I found plenty in other speakers that I liked as well, so they didn't strike me as "the answer to all my speaker desires" under those conditions).
What are other people's thoughts on this? Why do you have multiple speakers and do you think buying one of the "Blind Research Approved" brands would obviate your desire for owning more than one speaker?