Sapphire has given way to diamond tips mounted in metal shanks welded to the cantilever. Acceleration of up to 1000 gravities requires a very low stylus mass. So as metal adds mass, some are made of pure diamond mounted directly, and are called naked diamond styli.
"DR. COBAN HAS RESTORED ALBUMS AND 45'S FOR ME OVER THE PAST SEVERAL YEARS. HIS WORK IS OUTSTANDING AND HIS CUSTOMER SERVICE IS SECOND TO NONE. HE KNOWS HOW DETAILED I AM AND IS SO PATIENCE AND KIND IN PROVIDING ME WITH THE BEST POSSIBLE SOUND FROM MY RECORDINGS. THANKS AGAIN."
