most accurate loudspeakers....

How do we define most accurate? Here are a couple possibilities:
1. Most accurate at creating the illusion of a live concert or musicians in your home?
2. Most accurate and reproducing the input signal's waveform in room at your listening seat?

At this time I believe these 2 possibilities are mutually exclusive.

I know some speakers that do a good job at #1, like Sound Labs. I don't know ANY speaker which can do #2.

Donald North

the problem with a subjective criterion like the illusion of a live concert is the wide range of assessments associated with a given stereo system.

the pursuit of accuracy, the measurement of accuracy and the criteria for accuracy are all counter productive.

if i can say i like the sound of a stereo system it doesn't matter how inaccurate it is.

the question for all of us, why do we like the sound of a stereo system ?

"Why Is There Air?"
-Bill Cosby, 1965

The first and last speaker to fool me I was listening to a live performance is the Apogee Scintilla. No other system, in any room has come close.

That moment when I walked into an audio store, where I had listened to scores of speakers, I heard a piano being played - in the near vicinity - I literally walked all about the store looking for the recital.

I completely agree with Donald. You cannot have both and I prefer the first possibility he's mentioned. I would only add the old Quads to his Sound Labs.
Cheers,