Audio-Technica AT-OC9 III Cartridge
We are not permitted to offer this brand of cartridge outside the UK.
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 |
