MOVING COIL CARTRIDGES / AT33 SERIES
AT33Sa Dual moving coil stereo cartridge with Shibata stylus
Nude Square Shank Shibata
• MC cartridge with Shibata stylus The AT33Sa is the first Audio‑Technica MC cartridge model to feature a Shibata stylus. In addition to its superior high-range performance as a line-contact stylus, the Shibata stylus produces mid and bass sound that is strong and rich. The Shibata stylus is mounted on a boron cantilever with a double damper to greatly improve sound quality. • Advanced tapered boron cantilever and reduced weight The AT33Sa uses a tapered boron cantilever. Tapering the cantilever and revising the number of coil rotations reduce the weight, giving the cartridge better high range performance and wide range reproduction. • Neodymium magnet with dramatically enhanced magnetic energy and permendur yoke The model uses a neodymium magnet with maximum energy product BHmax of 50 [kJ/m3] and a permendur yoke with high saturation flux density and outstanding magnetic properties, which further enhances the concentrated magnetic field of the coil gap.
• High-separation, wide response dual moving coil The basic structure is an original MC type, with separate cylindrical coils to the left and right channels. Since power is generated independently in each of the left and right channels, this structure offers truly superior separation. If the signal from the opposite channel escapes, this can cause intermodulation distortion and have a decisive impact on audio quality and how the stereo sound spreads. The structure of this product ensures a clear and smooth sound. Additionally, the two coils have a reverse-V shape which reduces effective moving mass as seen from the stylus tip, limiting unnecessary movement of the coil and further eliminating distortion. • A tough body designed to be rigid The product’s housing is made of precision-cast hard aluminium alloy. Hard synthetic resin sandwiching in the structure on the top and bottom suppresses parasitic resonance. This minimizes unnecessary noise while enhancing rigidity and the signal-to-ratio.
AT33PTG/II Dual moving coil stereo cartridge with Microlinear stylus
Nude Square Shank Microlinear
• Advanced nude tapered boron and weight reduction This model succeeds in thinning down and shortening the cantilever, compared to the AT33PTG. The coil impedance is also refined from 17 W to 10 W . We realized significant weight reduction of the vibration system and successfully improved the basic performance and sound quality of the cartridge.
• High performance and long-life Microlinear stylus Microlinear (ML) is a specially polished line contact stylus. This has a better high range performance than the conical or elliptical stylus due to its small curvature radius and realizes low distortion and expanding high range reproduction even when playing at the inner circumference of records. And the constancy of the line contact shape is one of its main features with an average product lifetime of around 1,000 hours.
AT33EV Dual moving coil stereo cartridge with Elliptical stylus
Nude Square Shank Elliptical
• Elliptical stylus and hard duralumin tapered pipe cantilever The big advantage to the elliptical chip is its ability to richly reproduce sounds in the medium and low ranges. This elliptical diamond is embedded into a hard duralumin tapered pipe cantilever. With its outstanding machine strength, the duralumin cantilever is tough enough for the job and produces natural sounds without distortion. The cantilever of this product, moreover, goes through a tapering process to harden it, making it faster to transmit sound than conventional duralumin cantilevers and producing unsurpassed response. Supporting this cantilever fulcrum with the traditional double damper disperses resonance, enables stable tracing and achieves linear frequency characteristics.
• “Hanenite” vibration-controlling rubber minimizes unnecessary vibration
The vibration-controlling rubber “hanenite” is used in the housing interior and the cantilever fulcrum support to minimize unnecessary vibration. The body structure, designed to be rigid and suppress vibration, allows the outstanding basic performance of the dual moving coil to fully express itself.
Audio-Technica Phono Cartridges Guide 2025 - 23
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