Quick Klispch question

Not sure of all differences but will give it a shot.

Heresy IIIs
exponential midhorn/titanium compression driver
tractrix high frequency horn/titanium compression driver

Heresy IIs
exponential midhorn/phenolic compression driver
exponential high frequency horn/phenolic driver 

As mentioned, shoot over to the Klipsch Forum and ask your question.
https://community.klipsch.com/index.php?/forum/34-general-klipsch-info/

Bill

I have enjoyed Heresy 1s(recapped crossovers/CT-125 tweeters) for close to 10 years and Heresy 2s(bone stock) for about 8 years.  Both sound wonderful with their setups.  I am continually looking for a good deal on Heresy 3s not because they are "better", which I have no doubt they are, but because I just want a pair. 

From all I have heard and read, the Heresy 3s are definitely more refined and a more complete version with better parts and of course more changes than I mentioned in my above post.  I know many folks that have owned all three versions and it is pretty unanimous that the 3s are at the top of the heap.

When you mention Heresy 2s and updating, do you mean refreshing/recapping crossovers and replacing tweeter diaphragm with titanium ones or getting a Heresy 2 to Heresy 3 upgrade kit?

Bill