Ortofon SPU Mono CG 25 Di MkII
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.
Technical data
Output voltage at 1000 Hz, 5cm/sec.
1.5 mV
Frequency range at – 3dB
20-18.000 Hz
Frequency response
20-15.000 Hz + 3 / – 1 dB
Tracking ability at 315Hz at recommended tracking force *)
>60 µm
Compliance, dynamic, lateral
Stylus type
Spherical
Stylus tip radius
R 25 µm
Tracking force range
3.0-4.0 g (30-40 mN)
Tracking force, recommended
3.5 g (35 mN)
Tracking angle
20°
Internal impedance, DC resistance
6 Ohm
Recommended load impedance
>100 Ohm
Cartridge body material
Grinded wood
Coilwire material
High Purity Copper (OFC)
Cartridge colour
Black
Cartridge weight
33 g