User Manual

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Soundcraft Si Expression User Guide V1.0 0213
Si EXPRESSION TYPICAL SPECIFICATIONS
Frequency Response
Mic / Line Input to any Output +/-1.5dB, 20Hz – 20kHz
T.H.D.
Mic Sensitivity -30dBu < 0.01% @ 1kHz
Noise
Residual noise -86dBu
Mic Input E.I.N. (maximum gain) -126dBu (150Ω source)
Mix noise, masters at unity < -86dBu
1 input to mix at unity gain -84dBu
CMRR mic @1KHz (max gain) -80dBu
Crosstalk (@ 1kHz)
Channel ON attenuation <120dB
Channel Fader attenuation <120dB
Mic – Mic -100dB @ 1K, -85dB@10K
Line – Line -100dB @ 1K, -85dB@10K
Input Gain
Mic Gain -5dB – 58dB integrated pad design 1dB steps
Line Trim -10dB - +16dB
Gate
Threshold -60dBfs - -6dBfs
Depth -60dB - -3dB
Attack 0.1ms – 200ms
Release 20ms – 500ms
Side-chain HPF 22Hz – 2.5KHz
Side-chain LPF 160Hz – 20KHz
Compressor
Threshold -52dBfs - -6dBfs
Ratio 1:1 – 20:1
Attack 0.1ms – 200ms
Release 5ms – 900ms
Makeup Gain 0dB – 24dB
EQ
HI MID & LO MID 22Hz – 20KHz, +/-15dB Q 6-0.3
Shelf (HF) 800Hz – 20KHz, +/-15dB
Shelf (LF) 20Hz – 500Hz, +/-15dB
HPF 40Hz – 1KHz
Delay
User adjustable delay 1sample – 500ms
GEQ 31Hz – 16KHz 1/3 octave