Audio-Technica AT-OC9 III Cartridge

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Audio-Technica AT-OC9 III Cartridge

Audio-Technica AT-OC9 III Cartridge

Audio-Technica AT-OC9 III  £479

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The Audio-Technica AT-OC9 III Cartridge 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 AT-OC9 III.

“Performance is civilized and cultured to a degree, and might suit those seeking a smooth performance with relaxed music”
Hi-Fi Choice

This cartridge shows outstanding performance. It has a high tracking ability and produces remarkable detail.

Audio Technica Specification Table

Cartridge Audio-Technica AT-OC9 III Audio-Technica VM510CB
Type Dual Moving Coil VM Type
Mounting  – 1/2″ Centres
Frequency Response 15 – 50,000Hz 20 – 20,000Hz
Body Material Aluminium B
Channel Separation 30dB (1kHz) 25dB (1kHz)
Output Channel Balance 0.5dB (1kHz) 1.5dB (1kHz)
Output Voltage 0.4mV (1kHz and 5cm/sec.) 5.0mV (1kHz, 5cm/sec.)
Vertical Tracking Angle 23° 23˚
Vertical Tracking Force Range 1.8 – 2.2g (2.0g standard) 1.8 – 2.2g (2.0g standard)
Stylus Shape Special Line contact stylus Conical Bonded
Stylus Size  – 0.6 mil
Stylus Curvature Radius 40 x 7µm
Stylus Construction Nude Square Shank Bonded Round Shank
Cantilever 0.26 mm diameter solid boron Aluminium Pipe
Coil Impedance 12Ω (1kHz) 2,700Ω (1kHz)
Coil Inductance 25 µm (1kHz)
DC Resistance 12Ω
Static Compliance 35×10-6cm/dyne 35 x 10-6 cm/dyne
Dynamic Compliance 18×10-6cm/dyne (100Hz) 8 x 10-6 cm/dyne (100Hz)
Recommended Load Impedance Min 100Ω 47,000Ω
Recommended Load Capacitance  – 100 – 200pF
Weight 8.0g 6.4g
Dimensions 17.3 (H) x 16.8 (W) x 25.7 (L) mm 17.3 (H) x 17.0 (W) x 28.2 (L) mm