I did not get the impression from AJinFL that the off-axis was absolutely crucial, but on a $16K speakers, I think AJ expected a lot better.
Look at the Salon2, KEF 207/2, and KEF 201/2 measurements on Stereophile and Soundstage.
Sure, no speaker measures perfectly on everything, but these speakers don't have a SINGLE terrible measurement.
Can anyone look at these speakers and say, "The Infinity P360 or any other cheaper speakers measure much better on so and so parameters"?
It doesn't have to be horizontal off-axis or vertical off-axis. It could be any other measurements.
Do these high-end speakers measure a lot better than any other speakers that cost A LOT less?
I think the point is, for $16K, the B&W 802D should not have a single TERRIBLE measurement. At worst, it should equal a $500/pr speaker on ANY given measurement. The FACT that a $16K speaker severely got its a$$ kicked on 2 measurements by a $500 speaker should raise some flags and not be overlooked and brushed under the rugs.
Sure, it's not everything. It's not the only thing. It's not the most important. But it is SOMETHING. To be exact, it is TWO things.
Does the Salon2, Studio2, KEF 207/2, KEF 201/2 have ONE thing terrible?
Does the Sony $27K speaker have ONE thing terrible?
If the P360 had a terrible horizontal & vertical off-axis response, people would say, "So, what? What do you expect? They are cheaply made speakers!"
What excuse does B&W have for the 802D?
We charge you $16K, and we don't care at all about the off-axis response since the off-axis response is 100% useless and unimportant? People should not even measure off-axis response? They should only measure cabinet resonance since it is the most important? Who cares about off-axis.
If the Sony $27K measures 35Hz-20kHz +/-3.5dB on axis, I would say it is NOT a great speaker.