Drawing on more than a decade of experience in the field of digital audio mixing, the Soundcraft® Si Expression exploits some of the newest DSP, component technology and manufacturing techniques to deliver our most powerful cost effective digital console ever! Each console in the range is identical in its feature set so your only choice is how many faders and local mic amps you want. With a range covering the super portable 19" rack mount Expression 1 to the mighty Si Expression 3 with its 30+2 faders and 32 mic/line inputs there is a model to meet all needs.
The Si Expression 2 features 24 recallable mic pre amps (16 on Si Expression 1 and 32 on Si Expression 3)plus 4 line inputs, 4 internal stereo FX returns, AES in, and a 64x64 expansion slot offering more than enough scope to use every one of the 66 input processing channels. Every input processing channel has dedicated processing for high pass filter, input delay, gate, compressor and four band EQ whilst keeping it under control is a comprehensive automation system augmented with four mute groups and FaderGlow™ to light the way so you are never lost
.All Si Expression consoles have busses, output processing and connectivity to match the versatility of the inputs; the 14 aux/group mixes can be configured as 14 mono mixes, 8 mono plus 6 stereo mixes or almost anything in between, whilst the 4 matrix mixes can be mono or stereo as needed. The bus and matrix mixes are complemented with four more mix busses dedicated to the internal Lexicon FX processors all in addition to the left, right and centre busses. Each bus mix features a compressor, 4 band EQ, BSS graphic EQ and delay always available all of the time. Output connectivity is comprehensive with all models featuring 16 balanced line outputs, headphone monitor out, AES out and of course the 64x64 option slot.
To complement the channel and bus processing all Si Expression consoles integrate four stereo Lexicon FX processors based on the MX400 providing a wealth of sounds, user adjustable parameters and dedicated tap-tempo keys. As the FX are hardware based, use of all the effects, even on the most demanding programmes does not affect other processing in any way and all dynamics, EQs, filters, delays, and GEQs remain available regardless what you are doing.
Flexible onboard and expansion I/O options ensure your Si Expression integrates effortlessly with other system components utilising any of the ViSi Connect™ Si series option cards including MADI USB Combo, BSS Digital Audio Bus (BLU Link), Dante™, CAT5 or optical MADI, AVIOM™, CobraNet™ and others. The MADI card, as well as being an interface to multi-track recording systems or plug-in systems like the Soundcraft Realtime Rack™, enables users to link the Si Expression to any of the Soundcraft or Studer stageboxes to extend the I/O power and flexibility. Adding a stagebox to an Si Expression actually increases the number of channels you can mix at once not just how many inputs you have available to choose from! It is said 'Power is nothing without control' and here the Si Expression excels with a comprehensive but 'simple to use' control surface incorporating a dedicated control for every parameter, a row of global mode encoders and colour touch screen ensuring operation is quick and easy.
As you would expect from any Soundcraft digital mixer the facilities are extensive and include legendary audio quality courtesy of the latest generation EMMA™ DSP processor, the same DSP platform that has helped propel previous Soundcraft Si series consoles to fame. All this power united with reliability, flexibility and usability puts the Si Expression in a class of its own
In the Box:
Soundcraft Si Expression 2 Digital Mixer
Power Cord
Limited 1-Year Warranty
Preamplifier 24 x Balanced XLR's with preamps
Faders 22
Frequency Response Mic/Line Input to any output ±1.5 dB, 20 to 20,000 Hz
THD Mic sensitivity -30 dBu: 0.01% at 1 kHz
Residual Noise Master output; no inputs routed, mix fader at 0 dB: -86 dBu
Mic Input Noise (E.I.N.) -126 dBu (150 Ω source)
Mix Output Noise -86 dBu
Input Noise 1 input to mix at unity gain: -84 dBu
CMRR Mic at 1 kHz: -80 dBu
Crosstalk Channel On attenuation: 120 dBChannel Fader attenuation: 120 dB
Mic-Mic: -100 dB at 1 kHz, -85 dB at 10 kHz
Line - Line: -100 dB at 1 kHz, -85 dB at 10 kHz
Input Gain Microphone: -5 to 58 dB integrated pad design in 1 dB stepsLine Trim: -10 to 16 dB
Gate Threshold: -60 dBfs to -6 dBfsDepth: -60 to -3 dB
Attack: 0.1 to 200 ms
Release: 20 to 500 ms
Side-chain HPF 22 to 2,500 Hz
Side-Chain LPF 160 to 20,000 Hz
Compressor
Threshold -52 dBfs to -6 dBfsRatio 1:1 to 20:1
Ratio 1:1 to 20:1
Attack 0.1 to 200 ms
Release 5 to 900 ms
Make-up Gain 0 to 24 dB
Equalizer
Equalizer Hi Mid and Low Mid: 22 to 20,000 Hz, ± 15 dB, Q 6 to 0.3Shelf (HF): 800 to 20,000 Hz, ± 15 dB
Shelf (LF): 20 to 500 Hz, ± 15 dB
HPF: 40 to 1,000 Hz
Audio Delay User adjustable 1 sample to 500 ms
Graphic EQ 31 to 16 kHz, 1/3 octave
Digital I/O AES Sample Rate Converter range: 8 to 200 kHzExternal World Clock In range: 48 kHz ±7 Hz (internal systems), ±3 Hz with stageboxes
Word Clock Out jitter: ±7 ns
Analogue Out for 0 dBfs: +21.5 dBu
Converter resolution: 24 bit
DSP resolution: 40 bit floating point
Latency Mic In to Line Out: 0.8 msAnalogue In to AES Out: 0.6 ms
AES In to Line Out: 0.8 ms
AES In to AES Out; 0.5 ms
Stagebox Mic In to Stagebox: 0.9 ms
Input Level Mic Input: +22 dBu maxLine Input: +22 dBu max
Output Level Mix Output: +21.5 dBu maxHeadphones at 150 Ω 300 mW (recommended impedance 32 to 200 Ω)
Input Impedance Mic Input: 3 kΩLine Input: 10 kΩ
AES Input: 110 kΩ
Word Clock used as Input: 110 kΩ
Output Impedance Outputs: 150 Ω (balanced), 75 Ω (unbalanced)Word Clock used as Output: 50 Ω
Word Clock used as Input: 47 kΩ
AES Output: 110 Ω:
Lamp 12 VDC at 100 mA per socket
Power Consumption 130 WAC Input Voltage range: 88 to 264 VAC auto sensing
AC Frequency range: 47 to 63 Hz
Operating Conditions Operating Temperature range: 41 to 113°F (5 to 45°C)Humidity: 0 to 90% non condensing Ta= 104°F (40°C)
Storage Temperature range: -4 to 140°F (-20 to 60°C)
Dimensions 6.70 x 28.2 x 20.5" (169 x 716 x 520 mm)
Weight 34.1 lb (15.5 kg)
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