Pro-Ject Audio - Phono Box DC - MM/MC Phono preamp with line output - Blk Input Impedence MM: 47k ohms / 120pf, Input Pmpedence MC: 100 ohms / 120pF Gain MM: 40dB / Gain MC: 60 dB Noise MM: 86 dB/ Noise MC: 68 dB THD: MM 0.01% / THD: MC 0.05% RIAA EQ Curve Accuracy: 20 Hz - 20kHz / max 0.5 dB