I demo'd the 800 D3 at a hifi shop and was very impressed. What impressed me most was that it sounded utterly effortless like they were utterly effortless. They

I demo'd the 800 D3 at a hifi shop and was very impressed. What impressed me most was that it sounded utterly effortless like they were utterly effortless. They were powered by a pair of 1KW monoblocks and every peak in the music was reproduced without a hint of strain even at concert levels. I will say that there was a lot of treble. Stereophile's measurements (which I did not see until after the demo, so please don't think they colored my impressions!) show some big 5dB humps in the upper treble which I would say correlates to what I was hearing. https://www.stereophile.com/content/bampw-800-diamond-loudspeaker-measurements https://www.stereophile.com/content/bampw-800-diamond-loudsp... I think this boosted treble is generally a part of B&W's secret sauce across their product range. I really believe their speakers are tailored for middle-aged and elderly guys with some degree of high frequency hearing loss. Makes sense; those are the guys with enough cash to blow on speakers like these. I am one of those guys (well, the hearing part... not the cash part) but I prefer maybe 2-3dB of boosted treble and not a full-on tweeter assault. =)