Wilson WP7 versus X1 - Gen III and Maxx II's

Having owned WP 5.1's,6's MAXX series 1, X-1 series 3 and now X-2's I feel I can comment on your question. First off if you get the Series 3 X-1's at this price it should be considered BUT I must tell you that the Maxx ll is a far better speaker, so much so that Wilson has discontinued production of the X-1 ALTHOUGH they do have a series 5 upgrade for it at a cost of $15-$20K. It depends on how far term you are looking. For that money the X-1 is indeed a great speaker but needs patience in the setup. It will throw one heck of a believabe soundstage. The Maxx ll however has much of the X-2 technology and should not be discounted if it falls within your price range. It is an absolutely amazing speaker for the money and likewise throws an amazing soundstage. Is your room big enough for the X-1?

I also have an XS but now use it only with HT and LFE. You really won't need it with the X-1

BTW--your room size should be fine for the X-1's and/or the Maxx

I also have a room with a vaulted ceiling which is heavily trapped but no deficiencies with the X-2's

I looked at photos of your room with the WP7's.

If this is the room you will be using I would say that it is too small for the X-1's

The other option to consider is to buy a used pair of Maxx l's which go for $15-$20K and do the Maxx ll upgrade which can be done in the field. I believe it costs ~$5500

Not sure what you mean by Lamm. I have the ML 2.1 driving my huge X-2's. At 18 wpc I assure you that there is plenty of headroom. It is the most musical amp that I have ever owned.