Audio Technica AT33xMLD Moving Coil Cartridge
Audio Technica AT33xMLD Moving Coil Cartridge
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The Audio-Technica AT33 series (Microlinear / Duralumin edition) represents a major redesign of Audio-Technica’s legendary moving coil cartridge family, specifically tuned to deliver enhanced warmth, body, and tonal fullness without sacrificing detail. Featuring a high-precision Microlinear diamond stylus coupled with a rigid duralumin cantilever, this cartridge provides exceptionally accurate groove tracking, extended high-frequency response, and minimal inner-groove distortion.
Built upon a low-resonance composite multi-material body, the cartridge houses Audio-Technica's signature Dual Moving Coil architecture wound with high-purity PCOCC (Pure Copper by Ohno Continuous Casting) wire. This design achieves outstanding channel separation and dynamic range while suppressing parasitic mechanical resonances. Designed for modern ease of use, it features integrated threaded mounting holes for direct headshell installation and comes supplied with a non-magnetic screwdriver, mounting hardware, and protective accessories.
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- Redesigned AT33 Acoustic Tuning: Expertly voiced to introduce added warmth, natural weight, and midband fullness compared to traditional analytical moving coil cartridges.
- Microlinear Diamond Stylus: Advanced line-contact profile mirrors the shape of a cutting lathe stylus, reducing tracing distortion and extending stylus and record life.
- Rigid Duralumin Cantilever: High-rigidity, low-mass duralumin tube delivers rapid transient transfer from the vinyl groove to the coil assembly.
- Dual Moving Coil with PCOCC Wiring: Independent left/right coil structure using ultra-pure PCOCC copper wire yields low internal impedance, superior channel separation, and high signal purity.
- Low-Resonance Composite Body: Multi-material sandwich construction dampens internal mechanical reflections for a quiet, low-noise background.
- Threaded Mounting Inserts: Integrated M2.6 threaded body eliminates the need for loose nuts during headshell alignment and installation.
SPECIFICATIONS
| Cartridge Type | Dual Moving Coil (MC) |
| Stylus Profile | Microlinear |
| Cantilever Material | Duralumin Pipe |
| Coil Wire Material | PCOCC (Pure Copper by Ohno Continuous Casting) |
| Frequency Response | 20 Hz – 42,000 Hz |
| Output Voltage | 0.4 mV (1 kHz, 5 cm/sec.) |
| Channel Separation | 27 dB (at 1 kHz) |
| Channel Balance | 1.0 dB (at 1 kHz) |
| Tracking Force Range | 1.8 to 2.2 g (2.0 g Standard) |
| Static Compliance | 21 x 10⁻⁶ cm/dyne |
| Dynamic Compliance | 6 x 10⁻⁶ cm/dyne (at 100 Hz) |
| DC Resistance | 12 Ω |
| Coil Inductance | 26 µH (at 1 kHz) |
| Recommended Load Impedance | ≥ 100 Ω |
| Vertical Tracking Angle (VTA) | 19° |
| Body Construction | Composite Multi-Material with Threaded M2.6 Holes |
| Dimensions (H x W x D) | 16.1 x 16.6 x 26.1 mm |
| Net Weight | 10.1 g |
| Included Accessories | Non-Magnetic Screwdriver, Stylus Cleaning Brush, 2x Washers, M2.6 Installation Screws (8 mm x2, 10 mm x2, 13 mm x2), Stylus Protector |
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