I don't agree here the power di of the newer B&W seems to be slightly better than di of the older models if you have a look at the spinoramas which are available at least.It should be added though that your old 705s come from a time where the B&Ws had smoother directivity so they can be better equalised than their later offerings.
You need to ably more eq though.
Newer Bowers & Wilkins 803 D3
A collection of loudspeakers measurements
pierreaubert.github.io
A collection of loudspeakers measurements
pierreaubert.github.io
Newer Bowers & Wilkins 607 S2 Anniversary Edition
A collection of loudspeakers measurements
pierreaubert.github.io
A collection of loudspeakers measurements
pierreaubert.github.io
Edit: P.S. The wopping Preference Score of 8.7 with a perfect subwoofer and EQ of the 802N shows why even some studios use this speaker with eq.
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