The best speaker you ever heard?


In my opinion, the speaker is by far the most important part of the audio system. After all, it is the only part you hear. OK, the other stuff really matters a lot, but without a great speaker... No go.

I am a bit 'speaker-obsessed' I guess, and now I am wondering: What are the best speakers you have ever heard, and what made them the best?
njonker
I can say with no doubt, that the Green Mountain
C-3 is the best speaker I have ever heard anywhere.

More later as they break in.
Nautilus 800 and 801.
There are always trade-offs in any speakers that I listened to. Some have 99% imaging but 85% in freq range Some have 99% transparency (like logan) but lacking in dynamic, some has good low level details but sound compress when played loud.
I like the Nautilus 800 and 801 because they score 95+ across all spectrums (excellent dynamic, imaging, details, frequency range and transparent).
Avantgarde Duo's - I've heard a lot of speakers, but nothing has made me "Enjoy" listening to music like these horns with a great SET amp. Set-up is critical (heard good and bad ones), but when done right, these are absolutely magical - foot couldn't stop tapping. I can't wait to hear Trios, although I might sell my car to buy them if I heard them.
Audioprism Mantisa pre-amp
Krell Ksa-250 amp
Apogee Duetts Signatures

One of the best, if not the best. The Duetta Sig's are the best all-around speaker I have owned....they do it all!!!

I have owned many a speaker system but NONE sound as real as these do.

Dave
Well, there's always the JM Utopia Be. Perfect speaker, but who wants perfection? Perfection is cold. The best purveyor of music is the Sonus Faber Amati Homage. Oh. My. Gosh. Give me this. Anyone have a pair they want to give me for $5,000? :)