Mono Inputs
Microphone Inputs (IMP Invisible Mic Preamp)
Type: XLR, electronically balanced, discrete input circuit
Mic E.I.N. (20Hz – 20kHz)
@ 0 ohms source resistance: -134dB / 135.7dB A-weighted
@ 50 ohms source resistance: -131dB / 133.3dB A-weighted
@ 150 ohms source resistance: -129dB / 130.5dB A-weighted
Frequency response
< 10Hz – 150kHz (-1dB), < 10Hz – 200kHz (-3dB)
Gain range: +10 to +60dB
Max. input level: +12dBu @ +10dB gain
Impedance: approx. 2.6k ohms balanced
Signal-to-noise ratio: 110dB / 112dB A-weighted (0dBu In @ +22dB gain)
Distortion (THD+N): 0.005% / 0.004% A-weighted
Line Input
Type: 1/4″ TRS connector electronically balanced
Impedance: approx. 20k ohms balanced, 10k ohms unbalanced
Gain range: -10 to +40dB
Max. input level: 30dBu
Stereo Inputs
Type: 1/4″ TRS connector, electronically balanced
Impedance: approx. 20k ohms
Max. input level: +22dBu