Q.Bert stylus Technical Data:

Output voltage at 1000Hz, 5cm/sec. – 11 mV
Channel balance at 1kHz – 1,5 dB
Channel separation at 1kHz – 22 dB
Frequency response – 20-20.000 Hz -3 dB
Tracking ability at 315 Hz at recommended tracking force – 90 μm
Compliance, dynamic lateral – 12 μm/m N
Stylus type – Spherical
Stylus tip radius – R 18 μm

Tracking force range – 2.0-4.0 g (20-40 mN)
Tracking force recommended – 3.0 g (30 mN)
Tracking angle – 20°
Internal impedance, DC resistance – 1.680 Ohm
Internal inductance – 920 mH
Recommended load resistance – 47 kOhm
Recommended load capacitance – 200-400 pF
Concorde cartridge weight – 18.5 g