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Optimum Match Cartridge

A perfect match to tonearms

Ortofon Optimum Match (OM) cartridges match most tonearms perfectly. If your tonearm has a standard headshell or a cartridge mount, then step up to optimal sound reproduction with OM’s. A glance at anyone of these cartridges will reveal Ortofon’s answer to perfect tonearm matching.

Ingeniously tucked into the top of the mounting bracket is a tiny, removable weight-plate.
• If your tonearm is an standard tonearm, just leave the weight-plate.
• If your tonearm is one of the low mass types, then simply remove the weight. The mass of your OM cartridge is now a mere 2.5g.

An OM cartridge from Ortofon makes it possible to upgrade the performance of an entire music system very easily by upgrading the stylus. We offer a wide range of replacement styli for OM cartridges.

With the OM cartridge you instantly hear the improvement: music you’ve heard many times takes on new dimensions.



  • Output voltage at 1,000 Hz, 5cm/sec. 4 mV
  • Channel balance at 1 kHz/dB 2.0
  • Channel separation at 1 kHz/dB 22
  • Frequency response Hz 20-18,000
  • Tracking ability (315Hz, lateral)/µm 60
  • Compliance, dynamic (lateral)/µm/mN 20
  • Stylus type Elliptical
  • Stylus tip radius/µm r/R 8/18
  • Tracking force range/g 1.5-2.0
  • Recommended tracking force/g 1.75
  • Tracking angle (vertical) 20°
  • Internal impedance, DC resistance/Ohm 750
  • Internal inductance / mH 450
  • Recommended load resistance/kOhm 47
  • Recommended load capacitance/pF 200 – 500
  • Cartridge weight 5 g



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