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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 the 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.
The ST-7 transformer is a perfect match for the SPU Classic N cartridge.Technical dataOutput voltage at 1000 Hz, 5cm/sec. - 0.2 mVChannel balance at 1 kHz < 1 dBChannel separation at 1 kHz > 20 dBChannel separation at 15 kHz > 10 dBFrequency response - 20-20.000 Hz ± 3 dBTracking ability at 315Hz at recommended tracking force *) - 60 µmCompliance, dynamic, lateral - 8 µm/mNStylus type - Nude SphericalStylus tip radius - R 18 µmTracking force range - 3.0-5.0 g (30-50 mN)Tracking force, recommended - 4.0 g (40 mN)Tracking angle - 20°*) Typical valueInternal impedance, DC resistance - 2.0 ohmRecommended load impedance > 10 ohmCoilwire material - High Purity Copper (OFC)Cartridge colour - Black matteCartridge weight - 13 g
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