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http://www.ortofon.com/spu-a90th-p-644-n-4873
SPU 90th Anniversary Technical data
Output voltage at 1000 Hz, 5cm/sec. - 0,3 mV
Channel balance at 1 kHz - < 1 dB
Channel separation at 1 kHz - > 23 dB
Channel separation at 15 kHz - > 15 dB
Frequency range at - 3dB - 20-30.000 Hz
Frequency response - 20-20.000 Hz ± 2 dB
Tracking ability at 315Hz at recommended tracking force - 80 μm
Compliance, dynamic, lateral - 10 μm/mN
Stylus type - Nude elliptical
Stylus tip radius - r/R 8/18 μm
Tracking force range - 2,5-3,5 g (25-35 mN)
Tracking force, recommended - 3,0 g (30 mN)
Tracking angle - 20°
Internal impedance, DC resistance - 2 Ohm
Recommended load impedance - 10 - 50 Ohm
Cartridge body material - Wood powder + Phenolic resin
Coilwire material - Silverplated Copper
Cartridge colour - Shiny Black
Cartridge weight - 30 g |
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