Ortofon SPU Moving Coil Cartridge (Black) - Mono CG 25 DI MKII

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Literature

The SPU Mono CG 25 Di MkII is for the playback of early 25 µm mono recordings.

The Mono CG 25 Di MkII is an SPU-style Moving Coil cartridge with a spherical stylus profile, for the playback of early 25 µm mono recordings. The CG 25 Di MkII provides an authentic method of playing back these early vinyl recordings with a remarkable level of sonic accuracy.

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.

Specifications
Output voltage at 1000 Hz, 5cm/sec. 1.5 mV
Frequency response20-15.000 Hz + 3/- 1 dB
Tracking ability at 315Hz at recommended tracking force *) > 60 µm
Compliance, dynamic, lateral 7 µm/mN
Stylus typeSpherical
Stylus tip radius R 25 µm
Tracking force range3.0-4.0 g (30-40 mN)
Tracking force, recommended 3.5 g (35 mN)
Tracking angle20°
Internal impedance, DC resistance 6 ohm
Recommended load impedance> 100 ohm
Cartridge body material Ground wood and resin composite
Coilwire materialHigh Purity Copper (OFC)
Cartridge colourBlack matte
Cartridge weight 37 g