0.3 mm x 0.7 mm elliptical cartridge fits both half-inch and p-mount turntables, Frequency response: 15-27,000 Hz , Channel separation: 29/18 dB, Vertical tracking force: 1.0-1.5 grams , Recommended load impedance: 47,000 ohms , Output: 5.0 mV , Channel balance: 1.25 dB