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'm pretty sure it was just because they were probably using the wrong electronics with the panels as they should never sound hot. Now, electronics are something that can sound hot.
Interesting comments regarding Quads.

I have a pair of ESL57 refurbished by Wayne Piquet, and they are truly stunning. More than enough bass to satisfy my love of Jazz, Classical, etc. Even Prince sounds majestic through these. The realism of vocals, and acoustic instruments are beyond reproach.

And yes, they do create a very realistic soundstage, disappearing on many good recordings. Also have a pair of Dynaudio C1 sig, and Proac 2.5. My Quads stand up to both quite well. More forgiving of poor recordings, and can listen for hours without fatigue.
I have become quite a fan of Sanders new 10D stats. Tough to find a flaw. First night I had them, I called the cops to report a robbery - they just dissappeared!
Tidal Audio Piano Cera's run with ASR Emitter 2 amplification. Simply a match made in heaven.
I heard one of the Gamut (Can't remember which model) floor standers at a London Hi Fi Show a few years ago. What a great sound - coherent, tight and everything so well controlled.
I have also heard great things about Vivid Audio. Unusual speakers made in South Africa. Roll on the Munich Hi Fi Show, May 17th '14!