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.
Specifications | |
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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° |
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 |