Audio Technica AT3600 Standard Mount Magnetic Cartridge Frequency response 20-20000hz; vertical tracking force 1. 5 - 3. 0 grams Stylus construction; alloy tube cantilever, bonded round shank, 0.7mil conical tip Recommended load impedence; 47k ohms Output 4.2mV at 1kHz, 5cm/sec; Channel Balance 1. 5dB