Soundcraft Si Compact Series SOUNDCRAFT Si3

SOUNDCRAFT Si2

The Soundcraft Si2 is a smaller partner to the Si3, and is bound to appeal to those wanting a compact and highly-featured digital console at a competitive price.

The Si2 comes in a smaller footprint than its bigger brother and has 48 mic inputs mapped on 24 faders (the Si3 has 64 inputs), but this is where the differences end. Si2, like the Si3 has four dedicated Stereo Line channels, four dedicated FX Returns from the four stereo Lexicon FX processors, 8 balanced insert sends and 8 balanced insert returns. Si2 is complete with 24 Group/Aux busses available at all times, 8 matrix busses and a full compliment of monitor talkback and main bus outputs. One of the most unique and compelling features of the Si series is that every input and output has its own dedicated input (output) socket on the back of the console.

Like the Si3, the Si2 uses a combination of rotary encoders and OLED screens on every channel so the engineer mixes at source, without recourse to a central screen, an interface welcomed by many engineers since the console’s launch last year. Four assignable on-board lexicon effect engines supplement 4 stereo inputs to provide a really powerful mix package.

This package will be highly suited for installations where a smaller footprint is critical, such as Theatres, Houses of Worship and smaller toursound systems.

With all input and output connections and power supply on board, the Si2 can simply drop in where an existing analogue console sits, utilising existing copper cable snakes and splitter systems.

Technical 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 outpu	0.008% @ 1kHz
Stereo input to master output	0.005% @ 1kHz

Mic Input E.I.N.	<-126dBu (150Ω source)
22Hz-22kHz bandwidth, unweighted

Residual Noise	<-88dBu
Master output; no inputs routed, Mix fader @0dB

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 poin

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	6k8Ω
All other analogue Inputs	>10kΩ
Line Ouptuts	<75Ω

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

EQ (Inputs and Bus Outputs)
HF	22Hz-20kHz, +/-15dB, Q= 0.3-6.0 or Shelving
Hi-Mid	22Hz-20kHz, +/-15dB, Q=0.3-6.0
Lo-Mid	22Hz-20kHz, +/-15dB, Q=0.3-6.0
LF	22Hz-20kHz, +/-15dB, Q= 0.3-6.0 or Shelving

Metering	Internal 14-segment LED bargraphs for all Outputs. 12-section plus 9-section gain reduction OLED meters for all Inputs.

Mains Voltage Operating Range	90-264V, 47-63Hz, autoranging

Mains Power Consumption	400W

Temperature/Humidity Range
Operating Temperature Range	0°C – 45°C (32°F – 113°F)
Relative Humidity	Relative Humidity0% – 90%, non-condensing Ta=40°C (104°F)
Storage Temperature Range	-20°C – 60°C (-4°F – 140°F)

Soundcraft reserves the right to improve or otherwise alter any information supplied in this document or any other documentation supplied hereafter. E&OE 03/06

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