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Bringing extreme levels of clarity over the full frequency range, the Opus3 bridges together entry-level and mid-range. The Opus3 is the easiest way to enter the family of our wooden cartridges.The Opus3 is the first Grado cartridge to be housed in maple. Maple produces a vibrant and luscious sound while staying consistent and clear. Through a variety of thermal aging processes, the housing gains the ability to better dampen and control the resonant frequencies.Each Opus3 is hand-built by Grado's team in Brooklyn.Read More
Body: Maple Wood Cantilever: Aluminum / Elliptical Diamond Output: High 4.0mV @5 CMV (45) Low 1.0mV @5 CMV (45) Inductance: High Output 55mH Low Output 6mH Resistance: High Output 660 ohms Low Output 70 ohms Input Load: 10k-47k ohms Cartridge Weight: 8 grams Tracking Force: 1.6-1.9 grams Compliance: 20μm/mN Channel Seperation: Average 30db - 10-30k Hz Controlled Frequency Response: 10-60 kHz Non-Sensative to Capacitive Load Styles: High Output, Low Output, Mono