Input channels Mic input electronically balanced, discrete input configuration Mic E.I.N. (22 Hz - 22 kHz) -129.5 dBu, 150 Ohm source -117.3 dBqp, 150 Ohm source -132.0 dBu, input shorted -122.0 dBqp, input shorted Distortion (THD&N) 0.007% at +4 dBu, 1 kHz, Bandwidth 80 kHz Gain range +10 dB to +60 dB Max input (Mic) +12 dBu Line input electronically balanced Sensitivity range +10 dBu to -40 dBu Max input (line) +22 dBu Channel fader range +10 dB to -85 dB Aux Send gain range off to +15 dB Equalization Hi shelving 12 kHz +/- 15 dB, Q fixed at 2 oct. Mid bell 2.5 kHz +/- 15 dB, Q fixed at 2 oct. Lo shelving 80 Hz +/- 15 dB, Q fixed at 2 oct. Lo Cut filter -3 dB at 75 Hz, 18 dB/oct. Main Mix Section Noise bus noise, fader 0 dB, channels muted: -100.0 dBr (ref.: +4 dBu), fader 0 dB, all input channels assigned and set to Unity Gain: -88.5 dBr (ref.: +4 dBu) Max output +28 dBu balanced XLR, +22 dBu unbalanced, 1/4" jacks Aux Returns gain range off to Unity to +20 dB Aux Sends max out +22 dBu