This is new in the box . Stereophile Class A Component: September 2008, it has a detailed, holographic, sound with a very realistic harmonic presentation.
"Must be good-sounding 'cause it's so hard to hear:
The TU-3 lays it all out, then gets out of the way". - Michael Fremer
Diamond: Nude selected polished diamond
Diamond Shape: Super fine line
Compliance: 15 um x mN (-1)
Cross Talk: Better than 30 dB / 1 kHz
Internal Impedance: 25 Ohm
Trackability: 80 um (315 Hz) at 25 mN tracking force
Freq. Response: 20 Hz - 30 kHz +/- 2 dB
Fim Distortion: less than 0.3%
Max output voltage: 1.2mV
Load Impedance: 150 - 500 Ohm
Cartridge weight: 7.4 gr.
Body: Open cast aluminum / magnesium