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The Audio-Technica AT-OC9 MLII AT-OC9MLII phono cartridge is one of the finest cartridges made for the money. It is manufactured extremely well and is very reliable. Its performance is both world class and top class.

The Audio-Technica AT-OC9 MLII is a significant achievement in precision manufacturing with tolerances held to mere thousands of an inch. Stringent quality control assures that these tolerances, as well as performance criteria, are maintained by every Audio-Technica AT-OC9ML II phono cartridge. In addition, the Audio-Technica AT-OC9ML II phono cartridge features:

• Dual-coil system for maximum channel separation.
• High-flux samarium cobalt magnet for improved electrical generation.
• PCOCC coil windings for low-loss "transparent" signal transmission.
• Gold-plated solid boron cantilever.
• MicroLine™ stylus.

The Audio-Technica AT-OC9 MLII phono cartridge is the second generation of the highly acclaimed model. A brand new design with a gold-plated boron cantilever and MicroLine diamond tip, the AT-OC9ML II has received many accolades from music listeners and audiophiles. Moving coil cartridges are preferred by many serious audiophiles, citing clarity and transparency of tone, better defined transients, precise stereo imaging and lower distortion as reasons for their preference.

The Audio-Technica AT-OC9 MLII phono cartridge features a Microline stylus, PCOCC coil windings for low-loss signal transmission, a high-flux samarium cobalt magnet and a low resonance, gold-plated boron cantilever. A brief technical outline is provided below.

Audio-Technica AT-OC9 MLII phono cartridge specifications

CARTRIDGE                                                    Audio Technica AT-OC9 MLII

Type                                                               Moving Coil

Output voltage                                             0.4mV

Frequency range                                         15Hz - 50kHz

Recommended load impedance               20 Ohms or higher

Channel balance @ 1 kHz                           1.0dB or less

Channel separation @ 1kHz/10kHz         32/21dB

Stylus shape                                                 MicroLine™

Stylus construction                                     Nude square shank

Cantilever                                                     Gold-plated solid boron

Wire used for coils                                       PCOCC

Dynamic compliance                                  9 x 10-6cm/dyne

Static compliance                                        35 x 10-6cm/dyne

Recommended tracking force       1.25 - 1.75g

Dimensions                                                   1.01" x 0.66" x 0.68"

Color                                                              Gold & Black

Weight                                                           8.0g

Mounting                                                       1/2" centers

Warranty                                                       One-year Limited Warranty

Suggested Retail Price                               US$499.00

Please note that moving coil cartridges require receivers and preamps with special compatible inputs. Their stylus assemblies are not user-replaceable.

Comments regarding the Audio-Technica AT-OC9 MLII can be found at:

Audio Asylum 1, 2, 3
High-endaudio.com