Moving magnetic cartridge with diamond stylus needle Excellent sound quality and strong tracking ability Ready to just plug in, balance and play SL 1650, SL 1900, SL 1950, SL 2000, SL 3310 Output voltage (at 1k Hz, 5 cm/sec): 5.5 mV +- 3dB; Channel balance (at 1kHz): below 1 dB; Channel separation (at 1kHz): more than 15 dB; Frequency response: 20 ~ 20k Hz; Tracking force: 3.0g (2.5 ~ 3.5g); Stylus Tip: stereo spherical diamond tip Mirror finish Stunning Mirror finish Chromium plated headshell with gold coloured brass fittings - gives a classic quality appearance to your deck