Hand-built in Brooklyn, the Reference3 is fine tuned for everything from entry-level turntables up to the highest-end stereo systems, the solid mass of the wood helps keep the Reference3 steady and producing the Grado signature sound. Grado's Reference3 is made using a new 2 step shielding process to bring the exact unison between the four coils and unobstructed path for a cleaner signal. Undergoing a longer build time, results in a more colourful and deeper sound. The music is allowed to travel undistorted through the coils, greatly reducing mechanical noise while improving tracking. There is an extreme clarity over the full frequency range, with absolutely no stridency or shrillness. Precisely hand tipped with a diamond, a great amount of care go into each cartridge we build. To make the Timbre Series work as a whole, we created a way for Jarrah, diamonds, and a twin magnet system to integrate with our Flux-Bridge™. Unlike the cartridges before it, we modified our five piece OTL cantilever technology to achieve a 5% tip mass reduction over the Prestige Series and use ultra-high purity long crystal (UHPLC) oxygen free copper wire in the coils. The Reference3 uses a specially Grado designed nude elliptical diamond.In the Details. Specifications: Body: Australian Jarrah Wood Cantileaver: Machined Boron / Diamond Tip Output:High 4.0mV @5 CMV (45)Low 1.0mV @5 CMV (45) Inductance:High Output 55mHLow Output 6mH Resistance:High Output 660 ohmsLow Output 70 ohms Input Load: 10k-47k ohms Cartridge Weight: 10 grams Tracking Force: 1.6-1.9 grams Compliance 20μm/mN Channel Separation: Average 30db - 10-30k Hz Controlled Frequency Response: 10-60 KHz Non-Sensative to Capacitive Load Builds: High Output, Low Output, Mono
