SPU #1 S Technical data

Output voltage at 1000 Hz, 5cm/sec. – 0.18 mV
Channel balance at 1 kHz  –  1.5 dB
Channel separation at 1 kHz  –  20 dB
Channel separation at 15 kHz  –  10 dB
Frequency response – 20-25.000 Hz –  ± 3 dB
Tracking ability at 315Hz at recommended tracking force *)  65 µm
Compliance, dynamic, lateral – 10 µm/mN
Stylus type – Spherical / Elliptical
Stylus tip radius – R 18 µm  / r/R 8/18 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