Dual Moving Coil Cartridge


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The AT33MONO is designed specifically for use with mono vinyl records.* Due to the horizontal configuration of its PCOCC (Pure Copper by Ohno Continuous Casting) voice coils, the AT33MONO cartridge only generates electrical signal with horizontal movement, yet it also has appropriate compliance in the vertical direction, making it safe for use with stereo records.



  • Dual moving coil cartridge designed specifically for use with mono vinyl records.*
  • 0.65 mil conical stylus is mounted on a hard duralumin cantilever
  • Strong, rigid body construction
  • Hanenite anti-vibration, high-damping rubber in the housing interior and cantilever fulcrum support eliminates unnecessary vibrations
  • PCOCC (Pure Copper by Ohno Continuous Casting) coil enables pure signal transfer
  • High-quality brass fastening screw
  • Compatible with stereo playback systems
* This cartridge with 0.6 mil conical stylus is not compatible with SP (standard play) shellac records. It is designed to play microgroove 33-1/3 and 45 RPM vinyl records.


Cartridge & Stylus
Frequency Response 20-20,000 Hz
Channel Separation 30dB (1kHz)
Vertical Tracking Angle 23°
Vertical Tracking Force 2.3-2.7 g (2.5 g standard)
Recommended Load Impedance More than 100 ohms (when head amplifier is connected)
Coil Impedance 10 ohms (1 kHz)
DC Resistance 10 ohms
Coil Inductance 28 µH (1 kHz)
Output Voltage 0.35 mV (at 1 kHz, 5 cm/sec)
Output Channel Balance 1.0dB (1kHz)
Stylus Shape 0.65 mil conical
Cantilever Duralumin pipe
Static Compliance 20 x 10-6 cm/dyne
Dynamic Compliance 6 x 10-6 cm/dyne (100 Hz)
Mounting Half-inch
Dimensions 16.0 mm (0.63") H × 16.6 mm (0.65") W × 26.5 mm (1.04") D
Accessories Included Non-magnetic screwdriver; 2 washers; 2 nuts; cartridge installation screws (13 mm × 2, 19 mm × 2); plastic protector; brush; PCOCC lead wire set
Body Material Aluminium/Synthetic Resin
Mounting Feature Half-inch mount
Stylus Size Nude square shank
Type MC-type
Weight 6.9 g (0.24 oz)
Notes Note: Moving coil cartridges require receivers or preamps with compatible inputs; their stylus assemblies are not field-replaceable.