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Audio Technica AT33SA Dual Moving Stereo Cartridge
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Audio Technica AT33SA Dual Moving Stereo Cartridge

£679.00   
£565.83 Exc. VAT |  
  

|

Manufacturer:  Audio Technica

Audio Technica AT33SA Dual Moving Stereo Cartridge

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 

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

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.

The neodymium magnet provides maximum energy (BHmax of 50[kJ/m3]), while the pure iron yoke provides excellent magnetic properties. Together, they further boast the magnetic field concentrated in the coil gap area.

PCOCC coil

The PCOCC coil enables purer transmission because it is not subject to grain boundaries in the direction of transmission. *PCOCC = Pure Copper by Ohno Continuous Casting process (Monocrystalline high-purity oxygen- free copper)

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.

VC mould

The VC mould that affixes the coils is made with hard synthetic resin containing potassium titanate to make it highly strong and rigid. This improvement results in a lighter product, which reduces unnecessary vibration.

Design

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 minimises unnecessary noise while enhancing rigidity and the signal-to-ratio.

 

Specifications

- Type: Moving Coil VM Dual Magnet Stereo
- Playback frequency range: 15 ~ 50,000 Hz
- Output voltage: 0.4 mV (1kHz, 5 cm/sec.)
- Channel separation: 30 dB (1kHz)
- Output balance: 0.5 dB (1kHz)
- Tracking force: 1.8 ~ 2.2 g (2.0 g standard)
- Coil impedance: 10 Ω (1kHz)
- DC resistance: 10 Ω
- Rec. load impedance: 100 Ω or more (when head amplifier connected)
- Coil inductance: 22 μH (1kHz)
- Static compliance: 40 × 40-6 cm/dyne
- Dynamic compliance: 10 × 10-6 cm/dyne (100Hz)
- Stylus: Shibata
- Cantilever: Boron solid taper
- Vertical tracking angle: 23 °
- Dimensions: 16(H) × 16.6(W) × 26.5(D) mm
- Weight: 6.9 g
 
 Accessories:
non-magnetic driver × 1,
washer × 2,
Protector × 1,
Cartridge mounting screws 13mm × 2 & 19 mm × 2,
Nut × 2,
Brush × 1,
PCOCC lead set × 1.
 

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