Description of the OM Pro S from the official Ortofon website:
New DJ? This entry-level cartridge is perfect for newcomers on the DJ scene who want to start off with decent, but not too expensive equipment.
The Pro S has a spherical diamond stylus which minimizes scratching and a solid cantilever which can survive hectic activity at the turntable. No matter what the application, the Pro S provides remarkable versatility for virtually any setting. The sound quality is absolutely not to worry about.
The cartridges in this set come premounted on Ortofon SH-4 headshells.
Please note, we are an AUTHORIZED ORTOFON DEALER as well as a direct partner of ORTOFON USA. Every ORTOFON product we sell comes with ORTOFON’S standard one year factory warranty. With nearly a decade of pro-audio retail experience, we offer you the expertise, commitment and attentive customer service to make sure you will be 100% satisfied with your purchase, each and every time. Please shop with confidence and peace of mind.
Output voltage at 1000 Hz, 5cm/sec: 5 mV
Channel balance at 1 kHz: 2 dB
Channel separation at 1 kHz: 20 dB
Channel separation at 15 kHz: 15 dB
Frequency range at – 3dB: 20-20.000 Hz
Frequency response: 20-18.000 Hz + 2dB
Tracking ability at 315Hz at recommended tracking force: 70 µm
Compliance, dynamic, lateral: 7 µm/mN
Stylus type: Spherical
Stylus tip radius: R 26µm
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
Internal inductance: 450 mH
Recommended load resistance: 47 kOhm
Recommended load capacitance: 200-600 pF
Cartridge weight: 18.5 g
Replacement stylus unit: Pro S
Shop with an AUTHORIZED ORTOFON DEALER and receive a 1 year warranty on your item:
All of Ortofon’s cartridges are backed by a 1-year guarantee against defects in workmanship and materials when purchased from an authorized Ortofon dealer. Should your item malfunction as a result of faulty materials or workmanship, Ortofon will repair the defect(s) or replace the merchandise. Ortofon’s warranty does not cover expendable items or used/demo items.