The white and blue Ortofon OM Scratch Pre-Mounted on SH-4 Headshell combines the white Scratch cartridge and spherical stylus with a blue SH-4 headshell to create a ready-to-install turntable solution for S-shaped tonearms.
The OM Scratch is designed to provide increased tracking ability and features reinforced rubber suspension to ensure sound quality and lengthen stylus life when working with higher tracking forces. With solid bass reproduction and extended highs, the Scratch can be used for any music style.
Output Voltage | 7 mV at 1 kHz, 5 cm per Second |
Channel Balance | 1.5 dB at 1 kHz |
Channel Separation | 25 dB at 1 kHz 15 dB at 15 kHz |
Frequency Range | 20 Hz to 20 kHz (-3 dB) |
Frequency Response | 20 Hz to 15 kHz (+3 dB / -2 dB) |
Tracking Ability | Recommended Tracking Force: 80 μm at 315 Hz |
Compliance | Dynamic Lateral: 6 μm/mN |
Stylus Type | Spherical |
Stylus Radius | Tip: R 18 μm |
Tracking Force | Range: 3 to 5 g (30 - 50 mN) Recommended: 4 g (40 mN) |
Tracking Angle | 20° |
Internal Impedance | DC Resistance: 750 Ohms |
Internal Inductance | 450 mH |
Load Resistance | Recommended: 47 kOhms |
Load Capacitance | Recommended: 200 to 600 pF |
Replacement Stylus | Scratch White |
Cartridge Weight | OM Premounted on SH-4 Weight: 0.5 oz / 14.5 g (Includes Screws) |
Brand | Ortofon |
Color | Blue |
Compatible Brand | For Ortofon |
Compatible Model | Universal |
Type | Headshell |
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