SPU Mono CG 65 Di MkII



The Mono CG 65 Di MkII is an SPU-style Moving Coil cartridge with a spherical stylus profile. The CG 65 Di MkII provides an authentic method of playing back these early recordings with a remarkable level of sonic accuracy, regardless of the materials used to manufacture these discs.
This cartridge features a 1.5mV output, which makes it suitable for use with a variety of medium-gain moving coil transformers. Ortofon ST-M25 moving coil transformer is designed exclusively for the SPU Mono CG 25 Di MkII and SPU Mono CG 65 Di MkII.

Additional information


Technical data

Output voltage at 1000 Hz, 5cm/sec. – 1.5 mV
Frequency response – 20-15.000 Hz + 3/- 1 dB
Tracking ability at 315Hz at recommended tracking force *) > 60 µm
Compliance, dynamic, lateral – 7 µm/mN
Stylus type – Spherical
Stylus tip radius – R 65 µm
Tracking force range – 4.0-5.0 g (40-50 mN)
Tracking force, recommended – 4.5 g (45 mN)
Tracking angle – 20°
Internal impedance, DC resistance 6 ohm
Recommended load impedance > 100 ohm
*) Typical value

Cartridge body material – Ground wood and resin composite
Coilwire material – High Purity Copper (OFC)
Cartridge colour – Shiny black
Cartridge weight – 33 g


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