The Kontrapunkt "a" has an aluminum cantilever that is mounted with a super polished nude fine line stylus. Coils are made from 6-nines pure silver wire, and the output is as high as 450 µ Volt at 5 cm/sec. by 1 kHz
Output voltage at 1000 Hz, 5cm/sec. - 0,45 mV
Channel balance at 1 kHz - < 1,5 dB
Channel separation at 1 kHz - > 25 dB
Channel separation at 15 kHz - > 15 dB
Frequency range at - 3dB - 20-40.000 Hz
Frequency response - 20-20.000 Hz ± 1,5 dB
Tracking ability at 315Hz at recommended tracking force - 80 µm
Compliance, dynamic, lateral - 12 µm/mN
Stylus type - Nude Fine Line on Alu.cantilever
Stylus tip radius - r/R 8/40 µm

Tracking force range - 2,2-2,7 g (22-27 mN)
Tracking force, recommended - 2,5 g (25 mN)
Tracking angle - 20°
Internal impedance, DC resistance - 5 Ohm
Recommended load impedance - 50-500 Ohm
Cartridge body material - Stainless Steel
Cartridge colour - Black
Cartridge weight - 10 g