Page 7 - 1Soundcraft® Si3 User Guide
SPECIFICATIONS
Frequency Response
Mic input to Line output +0/-1dB, 20Hz – 20kHz
Stereo input to master output +0.5/-0.5dB, 20Hz – 20kHz
T.H.D. & Noise
10Hz-22kHz Mic In (min gain) to Bus output 0.006% @ 1kHz
Mic In (max gain) to Bus output 0.008% @ 1kHz
Stereo input to master output 0.005% @ 1kHz
Mic Input E.I.N.
22Hz-22kHz bandwidth, unweighted <-126dBu (150 Ohm source)
Residual Noise
Master output; no inputs routed, Mix fader @0dB <-88dBu
CMRR
80dB @ 1kHz Mic input
Sampling Frequency
48kHz
Convertor Resolution
24 bit
Latency
Mic Input to Bus output < 1ms @48kHz
DSP Resolution
40-bit floating point
Internal Clock
Accuracy < +/- 50ppm
Jitter < +/- 5ns
Input & Output Levels
Mic Inputs +26dBu max
Stereo Inputs / Returns +28dBu max
Bus Outputs +22dBu max
Nominal Operating Level 0dBu (-22dBFS)
Input & Output Impedances
Mic Inputs 6.8 kOhms
All other analogue Inputs >10 kOhms
Line Ouptuts <75 Ohms
Oscillator
20Hz to 20kHz Sine/Pink Noise, variable level
Filters
Channel HP Filter 22Hz-1kHz, 18dB per octave
Channel LP Filter 500Hz-20kHz, 18dB per octave