Ortofon SPU Mono GM MKII Moving Coil Cartridge (Black)

Model: MGMMKII UPC: 5705796240283 Item: 169091

$959.00 OR

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Ortofon SPU Mono GM MKII Moving Coil Cartridge Overview

Providing an authentic method playback for early 25 micrometer mono recordings, the Ortofon SPU Mono GM MKII Moving Coil Cartridge is an excellent choice for use with your precious early vinyl recordings. The SPU Mono allows vinyl lovers to achieve a remarkable level of sonic accuracy from their phonograph needle. This turntable cartridge features a spherical stylus profile for precise and realistic reproduction of early vinyl sound. With its 3 mV high output, this phono cartridge eliminates the need for a moving coil transformer. With its shiny black ground wood and resin body, the SPU Mono is an attractive and high-performance cartridge for the most advanced audiophile. Ortofon SPU Series cartridges are renowned for their refined linearity and full body, and the SPU Mono Series continues this proud tradition.

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Product highlights

  • Moving coil (MC) turntable cartridge delivers detail, accuracy and less distortion of sound
  • Spherical stylus profile with an R 25 micrometer tip radius
  • SPU Mono CG 25 phono cartridge is designed to for playback of early 25 micrometer mono recordings
  • Output voltage at 1000 Hz, 5 cm/sec: 3 mV 
  • Frequency response: 20 to 15,000 Hz + 2/-1 dB
  • Tracking ability (315 Hz, lateral): 60 micrometers
  • Tracking angle: 20 degrees
  • Provides authentic playback with a remarkable level of sonic accuracy
  • 3 mV high output eliminates the need for a moving coil transformer
  • Crafted with ground wood and resin composite body and High Purity copper coilwire materials
  • Dimensions: 0.75" H X 0.70" W
  • Weight: 1.05 oz.
  • Warranty: 1 Year - World Wide Stereo is an authorized dealer for every brand we sell
  • World Wide Stereo 60-day guarantee and expert product support



  • Output voltage at 1000Hz, 5cm/sec: 3mV
  • Frequency response: 20 - 15,000Hz + 2/-1dB
  • Tracking ability at 315Hz at recommended tracking force: >70 µm
  • Compliance, dynamic, lateral: 12 µm/mN
  • Stylus type: Spherical
  • Stylus tip radius: R 25 µm
  • Tracking force range: 3.0 - 5.0g (30 - 50mN)
  • Tracking force, recommended: 3.5g (35mN)
  • Tracking angle: 20°
  • Internal impedance, DC resistance: 100 ohm
  • Recommended load impedance: >47 ohm
  • Cartridge body material: Ground wood and resin composite
  • Coilwire material: High purity copper
  • Cartridge color: Shiny black
  • Cartridge weight: 30g

What's in the Box

What's in the Box:

  • SPU Mono GM MKII Moving Coil Cartridge


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Can this cartridge be used with any tonearm that accepts a headshell?
A shopper on May 10, 2020
  Thanks for your question. This cartridge will work with many (but not all) tonearms. It is designed specifically for early 25 microM mono recordings. Note that is not designed to play 78 rpm records. It is a high output moving coil that will connect directly to a mm phono input or separate mm cartridge preamplifer. It is a relatively heavy cartridge at 30 grams. Not all tonearms can support and properly balance cartridges in this weight range.