Analog inputs & output; XLR & TRS Jack (all balanced, except INSTR./LINE IN: unbalanced) Maximum input gain (Line) 28 dBu Maximum input gain (Instrument) 12 dBu Input impedance (Line) 12 kΩ Input impedance (Instrument) 1 MΩ Output impedance 50 Ω Frequency range (-3 dB) 10 Hz – 180 kHz Noise (A-weighted, Mic Preamp, 20 dB Gain) -97.5 dBu Noise (A-weighted, Mic Preamp, 40 dB Gain) -91.0 dBu Noise (A-weighted, Mic Preamp, 62 dB Gain) -67 dBu E.I.N. (150 Ω) -129 dBu Noise (A-weighted, Line/Instr Preamp, 7 dB Gain) -98.4 dBu Noise (A-weighted, Line/Instr Preamp, 20 dB Gain) -95.8 dBu Noise (A-weighted, Line/Instr Preamp, 42 dB Gain) -77.2 dBu Common mode rejection (1 kHz) 80 dB Dynamic range 115 dB Internal Linear Power Supply with Shielded Toroidal Transformer Operating voltage for analog audio +/- 15 V Mains Power Supply Mains voltage (selectable) 230 V AC / 50; 115 V AC / 60 Hz Fuse for 230 V T 315 mA Fuse for 115 V T 630 mA Power consumption max. 20 W Dimensions & Weight W x H x D (width x height x depth) 482 x 44 x 300 mm 19 x 1.73 x 11.8 inch Unit weight 4.15 kg 9.15 lbs Shipping weight (incl. packaging) 5 kg 11.02 lbs