High Quality Headshell, AT-3600L cartridge and stylus, needle for Technics SL 1500, SL 1510, SL 1600, SL 1610, SL1650, SL 1700, SL 1710, SL 1800, SL 1810, SL 1900, SL 1950, SL 2000 Technical Information: Frequency Response: 20 - 20,000Hz Channel Separation: 18 dB at 1kHz Channel Balance: 1.5dB Recommended Tracking Force: 2.5 - 3.5g Vertical Tracking Angle: 24° Recommended Load Impedance: 47kΩ Output Voltage: 4.2 mV (1kHz / 5cm/sec) Stylus Shape: Conical Features: 1. Premium performance, provides excellent clarity and detailed performance 2. High quality, each cartridge is carefully assembled and tested 3. Protective needle cover for when not in use Specification: Fixing hole spacing: 13mm (measure the centre distance of two holes) Cartridge terminal: R+, R-, L+, L- 4 Terminals colour: R+=red, R-=green, L+=white, L-=blue Recommended acupressure range: 1.5g-2g