AT-OC9/III

MicroCoil™ Cartridge

MSRP* US$1,129.00
One-Year Limited End-User Warranty

*Manufacturer's Suggested Retail Price. Actual selling price may vary; please check with an authorized Audio-Technica dealer.



  • Overview
  • Features
  • Specifications
  • Downloads
  • Reviews
  • Q & A

  • Overview

    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.

  • Features


    • 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

  • Specifications


    Frequency Response 15-50,000 Hz
    Channel Separation 30 dB (at 1 kHz)
    Vertical Tracking Force 1.88-2.2 grams (standard: 2.0 grams)
    Recommended Load Impedance Min. 100 ohms (when head amplifier is connected)
    Output 0.4 mV (at 1 kHz, 5 cm/sec)
    Channel Balance 0.5 dB (at 1 kHz)
    Stylus Shape Line contact
    Cantilever 0.26 mm diameter solid boron
    Mount Half-inch



    Note: moving coil cartridges require receivers or preamps with compatible inputs; their stylus assemblies are not field-replaceable.


    Conditions
  • Downloads

    A Guide to Phono Cartridges (pdf 669.29 KB)
    AT-OC9/III Manual (pdf 129.25 KB)
  • Reviews

    REVIEW SNAPSHOT®

    by PowerReviews
    Audio-TechnicaAT-OC9/III MicroCoil™ Cartridge
     
    3.0

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars

       

      (1)

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      (0)

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    Reviewed by 2 customers

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    5.0

    Brings out the subtleties in the music

    By 

    from Illinois

    Pros

      Cons

        Best Uses

          Comments about Audio-Technica AT-OC9/III MicroCoil™ Cartridge:

          I replaced a high end MM cartridge with the AT-OC9/iii. I was expecting more "punch" and better soundstaging, but what has impressed me most about the OC9/iii is the clarity of subtle signals. Very quiet passages with the MM were often audible, but not clear - like they were so soft that you couldn't quite make them out. The same passages with the OC9/iii are not louder, but are now perfectly clear. This effect doesn't just apply to very soft passages, but also to subtleties in tone and how the overall mix between instruments is perceived. Acoustic guitar is especially telling. Where before I would hear the notes, now I hear the fingers on the strings and the character of the instrument beneath the notes.

          • What best describes the environment the product was used in?:
          • Casual Listening
          • What best describes your level of audio knowledge?:
          • Audiophile
          • How long have you used this product?:
          • Up to a year
          • Reliability:
          •  
          • Audio Quality:
          •  
          • Durability:
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          • Ease of Use:
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          (1 of 2 customers found this review helpful)

           
          1.0

          Four decibels high, (WAY out of balance) on RIGHT channel

          By 

          from Illinois, USA

          Site Member

          Pros

            Cons

            • out of ballance

            Best Uses

              Comments about Audio-Technica AT-OC9/III MicroCoil™ Cartridge:

              I am asking for an exchange. Bought from L.P. Tunes, it came with ONE SCREW holding it to the shipping mount. The RIGHT CHANNEL is 4 DB hotter than the left. It is $800 and OUT OF BALANCE.

              • What best describes the environment the product was used in?:
              • Other
              • What best describes your level of audio knowledge?:
              • Audiophile
              • How long have you used this product?:
              • Less than a month
              • Reliability:
              •  
              • Audio Quality:
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              • Durability:
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            • Q & A

              Do you have questions about this product?

              Get answers from real customers and in-house experts with AnswerBox.

              2 Questions | 2 Answers
              Displaying questions 1-2
              • Q:

                Is it compatible with a Rega P3-24?

                Would I need any shims?
                Asked on 12/22/2011 by timosmith from New York, NY, USA

                1 answer

                • A:

                  The height of the AT-OC9/III Cartridge is 17.3 mm

                  We do not know the acceptable Cartridge height range specification for the Rega P3-24 Turntable

                  Please consult your Turntables documentation or contact Rega for further assistance

                  Answered on 12/30/2011 by AudioSolutionsSpec1 from Stow,OH
              • Q:

                alignment protractor

                I already have ATOC9mlII, but affraid to put on, because have no advice from manufacurer wich one to use?
                Asked on 12/5/2011 by Vladan from Belgrade, Serbia

                1 answer

                • A:

                  We have no specific recommendaton for an alignment protractor. Following is a good source for recommended protractor models based on the type of tone arm the Cartridge is mounted to. A-T

                  http://www.vinylengine.com/cartridge-alignment-protractors.shtml

                  Answered on 12/8/2011 by AudioSolutionsSpec1 from Stow,OH
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