Ortofon OM1S Cartridges

Adding choice to our value propositions

The OM 1S is a magnetic cartridge (MM) with a Spherical shaped stylus that provides balanced and distortion-free playback for general purpose applications.

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

MM moving magnet cartridge design

Adopt a round stylus

Output 4.5mV

Weight 5g

It is recommended to input capacitive reactance 200-500F

MM moving magnet cartridge design

Adopt a round stylus

Output 4.5mV

​Weight 5g

It is recommended to input capacitive reactance 200-500F

Output voltage at 1000 Hz, 5cm/sec.  -  4.5 mV
Channel balance at 1 kHz  -  2 dB
Channel separation at 1 kHz  -  20 dB
Channel separation at 15 kHz  -  12 dB
Frequency response  -  20-22.000 Hz 
Tracking ability at 315Hz at recommended tracking force *)  -  60 µm
Compliance, dynamic, lateral  -  20 µm/mN
Stylus type  -  Spherical
Stylus tip radius  -  R 18 µm