would b&w 802n be an upgrade to my b&w 804S?

Room is 25 by 25 and i have a paradigm servo 15a as a sub and a anthem p5 for the amp. i would hope the anthem would drive the 802 well.

Jimmy has good points. Your room seems plenty big...a big fan of dynamic range and effortlessness which i think would be an advantage of the 802 v 804...Jimmy's final point about amplification is a good one. I do not know the anthem p5. i would run the paradigm in parallel if you can.

Yes, I would think that room would benefit from the larger speakers.

Even on a hometheater setup?
how about this for a follow up question....

is the 802d twice as good as the older nautilus 802? i ask this because the nautilus 802 i can get for 4 k i have seen the 802d only go for 8k and even above..... so is it twice as good?

thanks
Bill

I'm not a fan of B&W Speakers and thus have to suggest you listen to other brands