Quote Originally Posted by SonusSancti View Post
Hi Dave,

Can you tell us more about the Raal tweeter? How it was chosen, how it compares to the diamond tweeter, its crossover point, etc. Thanks!
Hi SonusSancti,

The tweeter in the Sierra-2EX is the same as in our Sierra-2. Together with RAAL (the manufacturer) we actually designed this tweeter.

There is a ton more information in the Sierra-2 development thread here:


Are you familiar with true ribbon tweeters?