Grado Platinum 4 Phono Cartridge

The Grado Platinum 4 Phono Cartridge encases a precision moving iron transducer within a resonance-controlled Mediterranean olive wood body, engineered for vinyl enthusiasts seeking nuanced analogue reproduction. As an integral member of the Timbre Series, this cartridge employs ultra-high-purity 6N oxygen-free continuous-cast copper coils and a bonded elliptical diamond stylus to trace record grooves with exacting mechanical stability. Available in High Output and Low Output configurations, the cartridge interfaces seamlessly with standard moving-magnet or dedicated high-gain phono stages without requiring capacitance adjustments.The Hi-Fi Centre Team TakeLiving with the Grado Platinum 4 means enjoying an organic, full-bodied tonal balance that brings late-night listening sessions to life with genuine warmth and intimacy. The dense Mediterranean olive wood housing naturally tempers mechanical resonance, yielding an articulate, fatigue-free presentation across hours of continuous playback. Its moving iron generator delivers the dynamic agility and low effective moving mass typically associated with moving-coil designs, without excessive fragility or sensitive capacitive loading demands. For music lovers in Vancouver curating cherished record collections, this cartridge provides an inviting window into the performance that makes acoustic instruments and vocals feel remarkably present.Key Acoustic & Design Features Mediterranean Olive Wood: Damps internal resonance and chassis vibration to preserve an organic, naturally balanced tonal profile. Moving Iron Architecture: Delivers exceptionally low effective moving mass and rapid transient response using Joseph Grado's patented flux-bridger principle. High-Purity 6N Coils: Employs cryogenically treated 6N OCC copper wiring for pristine signal transmission and wide channel separation. Authorized Dealer Support: Procured through Hi-Fi Centre as an Authorized Dealer, ensuring authentic Grado factory warranty coverage and dedicated specialist technical support. Technical Specifications Brand: Grado Model: Platinum 4 Series: Timbre Series Transducer Type: Moving Iron (MI) Body Material: Mediterranean Olive Wood Cantilever: Aluminium Stylus Profile: Bonded Elliptical Diamond Internal Wiring: 6N OCC Copper (Cryogenically Treated) Available Output Variants: High Output (4.0 mV @ 5 CMV 45°), Low Output (1.0 mV @ 5 CMV 45°) Frequency Response: 10 Hz – 60,000 Hz Channel Separation: 30 dB average (10 Hz – 30,000 Hz) Recommended Tracking Force: 1.6 – 1.9 g Compliance: 20 µm/mN Internal Resistance: High Output: 660 Ω | Low Output: 70 Ω Inductance: High Output: 55 mH | Low Output: 6 mH Input Load: 10,000 Ω – 47,000 Ω Cartridge Weight: 9.4 g