The Grado Reference Master uses Grado's specially designed nude elliptical diamond and features a Mahogany wood body with a fixed coil design. The 47 parts of each Reference cartridge are bonded together, creating a cartridge with a single resonance point. With just one resonance point to control, Grado is able to precisely control their desired frequency response. This is state-of-the-art in moving magnet design.
The Master model uses a five piece OTL cantilever technology, achieving an additional 5% tip mass reduction over the Platinum and Sonata models. Reducing tip mass creates a cartridge with faster response, much like a high-end moving coil. The coils are wound with ultra-high purity long crystal (UHPLC) oxygen free copper wire.
Frequency Response - 10-60Principal - MIChannel Separation at 1KHz - 40Input Load - 47KOutput at 1KHz (5CM/sec.) - 5mVRecommended Tracking Force - 1.5Stylus Type - EllipticalInductance - 45mHResistance - 475Compliance CUs - 20Stylus Replacement (F=Factory) - FMounting - standardWeight - 6.5g
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