Grado Prestige 3 GoldBoth the Silver3 and Gold3 use a four piece OTL cantilever with a Grado specific elliptical diamond stylus mounted on a brass bushing. With the Silver3 and Gold3, a machined turned generator is used to achieve a lower distortion and greater transparency. The Gold3 are hand selected from Silver3 production runs which meet higher test specifications. Approximately 5% of the run usually exhibits these specs and become a Gold3. Grados OTL, or optimized