No, but thanks for bringing it to my attention. I currently have Shuguang 845b that are really good but the price is nice on these Black Treasures as a possible upgrade.
All 845 owners
Has anyone seen, better yet, heard, the new Black Treasure 845-Z from Shuguang?
http://psvanetube.com/wordpress/store/products/treasure-845-z-select-pair/
http://psvanetube.com/wordpress/store/products/treasure-845-z-select-pair/