AFT 26mm Titanium Diaphragm Dome Tweeter For B&W DM605 S1, DM602 S1, DM601 S1,8Ω | eBay
Bowers & Wilkins - Nineteen years in the making - a history of the 600 Series. http://blog.bowers-wilkins.com/music/the-new-bowers-wilkins-600-series-how-engineering-has-driven-almost-20-years-of-development/ | Facebook
Bowers & Wilkins B&W DM 603 S1 Barely used Photo #3266887 - US Audio Mart