Feature: 1. IMPROVED CONSTRUCTION: The AT91R is a logical improvement on the AT91 turntable, featuring an aluminum cantilever, a double V shaped magnet design, and a tapered stylus 2. EXCELLENT PERFORMANCE: Dual magnet cartridge with channel separation and low distortion for excellent sound quality, you can use with confidence 3. APPLICABLE MODEL: This is a standard phono for AT LP3 turntable, which can be mounted on any singing arm, very versatile, useful and practical 4. TECHNICAL PARAMETERS: The frequency range of dual magnet phono cartridge is 20 ~ 20000Hz, the output voltage is 3.5mV, the channel separation is 18dB, and the needle pressure is 1.5‑2.5g 5. IMPEDANCE AND ANGLE: The coil impedance of the dual moving magnet cartridge is 3300ohms, the vertical orbit angle is 20°, and the needle tip shape is 0.6mil jointed round needle Specification: Item Type: Dual Magnet Cartridge Frequency Range: 20 - 20000Hz Output Voltage: 3.5mV (1kHz at 5cm/s) Channel Separation: 18dB (1kHz) Channel Balance: 2.5dB (1kHz) Tracking Force: 1.5 - 2.5 grams (2.0 grams standard) Coil Impedance: 3300ohms (1kHz) DC Resistance: 410ohms Load Impedance: 47000ohms Load Capacitance: 100 - 200pF Coil Inductance: 400mH (1kHz) Stylus Shape: 0.6 mil bonded round Cantilever: Carbon fiber Vertical Tracking Angle: 20° Material: ABS. Package List: 1 x Cartridge 1 x Protective Cover 2 x Screw