Thiel Owners

@tomthiel, understood. Could the parameters of the original woofers be modified to make them more appropriate?

Tom,
   "Does anybody here know if the SS2.2 has the room boundary compensation.?"

Yes, it does. Mine is corrected in meters,, rather than feet. 

Brayeagle - thanks. I also confirmed with Rob that the SS2.2 is all Jim's design, updated by an improved amplifier.
Unsound - I don't know. The motor and coil could be the same, but the surround, spider - compliance in general, and moving system mass would have to be altered. It would be a piece of cake for Jim to modify such a woofer, and could also be done by SEAS, etc. But, as usual, a stable forward-reaching company would have to take on such an endeavor, DIY couldn't in my opinion.
Robrink - sorry that I missed it. I gather that you have 03As. Well worth upgrading. I remember those plinths as made from Baltic Birch, which could be repaired by a local cabinet shop.

@tomthiel, the flat concentric mid/tweeter of the 3.7’s are of greater interest to me than the 3.6’s separate drivers. I would imagine the concentric driver could go a long way towards ameliorating lobing issues?

rockrink

Welcome! Good to see you here. Consult Mr. Rob Gillum at Coherent Source Service (CSS) in Lexington KY. Keep us posted on your progress. I look forward in reading more about your musical tastes and system.

Happy Listening!