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Audio-Technica® AT-OC9/III MicroCoil™ Cartridge
Audio-Technica® AT-OC9/III MicroCoil™ Cartridge 0
Audio-Technica® AT-OC9/III MicroCoil™ Cartridge 1

Audio-Technica® AT-OC9/III MicroCoil™ Cartridge

Model #: AT-OC9/III
At a Glance
Audio-Technica® AT-OC9/III MicroCoil™ Cartridge with special line contact stylus and neodymium magnet
Available in Store Only
$999.00Save $NaN

Get to know this product.

Audio-Technica’s AT-OC9/III MicroCoil™ Cartridge features a special line contact stylus embedded into a low-profile solid boron cantilever, ensuring the music signals read by the tip of the stylus are transmitted reliably to the coils. The cartridge’s “VC mold” design ensures stability and rigidity while the dual moving coil offers excellent stereo separation and improved frequency response for long-lasting performance. The use of PCOCC wire (Pure Copper by Ohno Continuous Casting), a special copper with virtually no transverse crystal barriers to impede signal transmission, perfects the performance of the advanced dual coil design.

  • Flagship model with extremely high-quality sound
  • Builds on the characteristics of the critically acclaimed AT-OC9ML/II
  • Special line contact stylus and solid boron cantilever with a 0.26 mm diameter
  • Neodymium magnet and permendur yoke significantly increase magnetic energy
  • PCOCC used for coils and terminal pins
  • Dual moving coil with high separation and wide response
  • VC mold for minimizing unnecessary vibration
  • Rugged body dedicated to achieving a design with increased rigidity
Useful Documents


Frequency Response15-50,000 Hz
Channel Separation30 dB (at 1 kHz)
Vertical Tracking Force1.88-2.2 grams (standard: 2.0 grams)
Recommended Load ImpedanceMin. 100 ohms (when head amplifier is connected)
Output0.4 mV (at 1 kHz, 5 cm/sec)
Channel Balance0.5 dB (at 1 kHz)
Stylus ShapeLine contact
Cantilever0.26 mm diameter solid boron

Misc. Specs

Frequency Response15 - 50,000 Hz
Manufacturer Warranty1 Year
WarningProposition 65 Warning for California Residents