Ortofon OM SCRATCH ON SH4 – OM Scratch White Premounted on Blue Headshell
Overview:
The Ortofon OM SCRATCH ON SH4 is Premounted and pairs an OM Scratch white high-output cartridge with a blue SH-4 headshell. This ready-mounted setup simplifies installation on compatible S-shaped tonearms. Its spherical stylus and reinforced rubber suspension support demanding vinyl techniques. With 7 mV output and a recommended 4.0 g tracking force, it suits DJs focused on scratching, back-cueing, and reliable groove tracking.
Key Features:
• Premounted SH-4 Headshell: The cartridge arrives fitted to a blue SH-4 headshell, simplifying installation and replacement.
• Spherical Stylus: An 18 μm spherical stylus tip maintains consistent groove contact during demanding DJ techniques.
• Reinforced Rubber Suspension: The reinforced suspension supports stronger tracking forces, helping maintain performance during scratching and back-cueing.
• High 7 mV Output: The 7 mV output produces a strong signal for suitable phono stages and DJ mixers.
• Universal Mount: The universal mounting configuration works with compatible S-shaped tonearms for straightforward turntable installation.
• Baerwald Alignment: Ortofon specifies Baerwald alignment with the major part of universal-mount tonearms.
• Stylus MFS Replacement: The cartridge supports the Stylus MFS as a replacement option when the stylus needs changing.
Specifications:
• Product: OM Scratch White Premounted
• Headshell: SH-4 Blue
• Stylus Type: Spherical
• Stylus Tip Radius: R 18 μm
• Output Voltage at 1 kHz, 5 cm/sec: 7 mV
• Channel Separation at 1 kHz: 25 dB
• Channel Balance at 1 kHz: 1.5 dB
• Frequency Response: 20 Hz - 20 kHz, 3 dB/-2 dB
• Tracking Ability at 315 Hz: 80 μm
• Compliance, Dynamic, Lateral: 6 μm/mN
• Tracking Force Range: 3.0-5.0 g (30-50 mN)
• Recommended Tracking Force: 4.0 g (40 mN)
• Tracking Angle: 20°
• Internal Impedance / DC Resistance: 750 Ohm
• Internal Inductance: 450 mH
• Cartridge Weight: 5 g
• Cartridge Weight Including Headshell: 18.5 g
• Recommended Load Resistance: 47 kOhm
• Recommended Load Capacitance: 200-600 pF
• Replacement Stylus: Stylus MFS
• Mounting: Universal mount
• Optimised For: Scratching
What's Included:
• Ortofon OM Scratch White cartridge
• Ortofon SH-4 Blue headshell
• Premounted cartridge and headshell assembly
• Stylus Scratch White
Built for Scratch DJs:
The Ortofon OM Scratch White Premounted suits DJs who use vinyl for scratching and back-cueing. Its premounted SH-4 headshell provides a practical setup for compatible S-shaped tonearms. Meanwhile, the high output and reinforced suspension support demanding DJ performance.