Scratch Replacement Stylus As implied by the name, the Scratch is intended especially for the disciplines of scratch and back-cueing. It is made of a fluorescent neon-red material with the intention of it becoming highly apparent in the spotlight and luminous in ultraviolet light. For DJs that require increased tracking ability, the Scratch is up to the task. Featuring a reinforced rubber suspension, DJs need not worry about compromising sound quality and stylus life when working with higher tracking forces. With solid bass reproduction and extended highs, the Scratch is great for any style, providing energetic, in-your-face sound. Very high output! Maximum scratch performance guaranteed! Channel balance at 1 kHz:           1.5 dB Output voltage at 1 kHz, 5cm/sec:   7 mV Channel separation at 1 kHz:        25 dB Frequency response (20 Hz – 20 kHz): +3 dB / -2 dB Tracking ability at 315 Hz:         80 μm Compliance, dynamic, lateral:       6 μm/mN Stylus type:                        Spherical Stylus tip radius:                  R 18 μm Tracking force range:               3.0 – 5.0 g (30–50 mN) Tracking force, recommended:        4.0 g (40 mN) Tracking angle:                     20° Internal impedance, DC resistance:  750 Ohm Cartridge weight:                   18.5 g Recommended load resistance:        47 kOhm Internal inductance:                450 mH Recommended load capacitance:       200 – 600 pF