Karen Vaughn-Smith is a Miyazawa Artist.  She plays the Classic RH model with the M6 headjoint, featuring a platinum riser.  Current models can be viewed at www.miyazawa.com
 
Karen has been the featured artist by Miyazawa Flutes, Inc., most recently in September 2015.  To read the informative interview:
http://www.miyazawa.com/artists/miyazawas-artists/north-america/karen-vaughn-smith/#interview
 
My Miyazawa flute is everything I could have wanted, and more. The depth and color that is possible with this instrument is astounding, and intonation is the best of any flute I have owned. The search for the ultimate flute is over!