Technical specifications Pro-Ject Phono Box S3 B Input impedance: 10, 50, 100, 1k, 47k ohms Input capacitance: 50, 150, 300, 400 pF Gain (+ 6dB using XLR Out sockets): 40, 45, 60, 65 dB Signal / Noise ratio MM (40dB): 103dBV, 110dBV - 'A' weighted Signal / Noise ratio MC (60dB): 85dBV, 90dBV - 'A' weighted THD at 1 kHz: <0,001% MM, < 0,005% MC THD (20Hz-20kHz): <0,008% MM, < 0,01% MC RIAA-equalization curve accuracy: <0,3dB / 20Hz - 20kHz Subsonic filter: at 20Hz with 18dB/octave Input: 1