Ortofon Moving Coil Cartridge with Spherical Stylus - SPU Classic GM MKII

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The SPU Classic GM MkII Refurbished is a Moving Coil cartridge with an 18 µm spherical stylus profile.

The SPU Classic series embodies the essence of the original Moving Coils and are a perfect solution for the playback of both early and modern and contemporary stereo recordings. The SPU Classic GM MkII  is known for its dynamic and powerful sound reproduction.

The ST-7 step-up transformer is recommended for the SPU Classic series.

Output voltage at 1000 Hz, 5cm/sec.0.2 mV
Channel balance at 1 kHz < 1 dB
Channel separation at 1 kHz > 20 dB
Channel separation at 15 kHz > 10 dB
Frequency response 20-20.000 Hz + 3/- 3 dB
Tracking ability at 315Hz at recommended tracking force *) > 65 µm
Compliance, dynamic, lateral8 µm/mN
Stylus type Nude Spherical
Stylus tip radiusR 18 µm
Tracking force range 3.0-5.0 g (30-50 mN)
Tracking force, recommended4.0 g (40 mN)
Tracking angle 20°
Internal impedance, DC resistance2 ohm
Recommended load impedance > 10 ohm
Cartridge body materialGround wood and resin composite
Coilwire material High Purity Copper (OFC)
Cartridge colourBlack matte
Cartridge weight 30 g