Ortofon SPU Classic N
The SPU Classic N provides the same sound reproduction properties as the SPU Classic GM series, but 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.
*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 range at – 3dB||20-25.000 Hz|
|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)|
|Internal impedance, DC resistance||6 Ohm|
|Recommended load impedance||> 10 Ohm|
|Coilwire material||High Purity Copper (OFC)|
|Cartridge weight||13 g|
|*) Typical value|