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.
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, lateral - 8 µm/mN Stylus type - Nude Spherical Stylus tip radius - R 18 µm Tracking force range - 3.0-5.0 g (30-50 mN) Tracking force, recommended - 4.0 g (40 mN) Tracking angle - 20° *) Typical value
Internal impedance, DC resistance - 2 ohm Recommended load impedance > 10 ohm Cartridge body material - Ground wood and resin composite Coilwire material - High Purity Copper (OFC) Cartridge colour - Black matte Cartridge weight - 30 g