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Achieving fantastic accuracy and control, the Reference3 does everything the Master3 can do – but does it better thanks to specialized intricate processes while being crafted.
Gradomodifiedits five-piece OTL cantilever technology to achieve a 5% tip mass reduction over the Prestige Series.The Reference3 uses ultra-high purity long crystal (UHPLC) oxygen-free copper wire in the coils, and a Grado-designed nude elliptical diamond.
Each Reference3 is hand-built by Grado’steam in Brooklyn, as it has been for decades.
Body:Australian jarrah
Cantilever:Machined boron, diamond tip
Output (high, low):4 mV,1 mV
Inductance (high, low):55 mH,6 mH
Resistance (high, low):660 Ohm,70 Ohm
Input load:10k-47k Ohm
Weight:10 g
Tracking force:1.6-1.9 g