Quote Originally Posted by sharkman View Post
I just finished upgrading a pair of Sierra 1 speakers, and the improvements puts a smile on my face. The ribbons really are detailed, and the driver is quite a treat. Jazz, vocals and instruments all sound so natural and open. This kit is definitely a worthwhile upgrade and I'd recommend it to anyone who wants more out of their music.
Excellent! Glad you are enjoying them and I hope the upgrade process itself was enjoyable.