The SPU Classic N is sold without the integrated headshell unit.
The SPU Classic N is a Moving Coil (MC) cartridge with an 18µm spherical stylus profile.
Listeners who wish to mount the SPU Classic on a traditional headshell may do so by using SPU N adaptor. Those with vintage SPU-type headshells can use the Classic N to recreate an authentic and functional SPU cartridge. NB: Vintage SPU-type headshells are no longer available.
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 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 – 2.5 ohm
Recommended load impedance > 10 ohm
Coilwire material – High Purity Copper (OFC)
Cartridge colour – Black
Cartridge weight – 13 g