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Review Summary
Mic / Line In to any Output: +/-1.5 dB, 20 Hz to 20 kHz
Mic Sensitivity: -30 dBu
Residual Noise: -86 dBu
Mic Input E.I.N: 22 Hz to 22 kHz, Unweighted (max gain) 126 dBu (150 ohm source)
Mix Noise, Masters at Unity: < -86 dBu 1 Input to Mix at Unity Gain: -84 dBu
CMRR Mic at 1 kHz (max gain): -80 dBu
Crosstalk (at 1 kHz)
Channel ON Attenuation: < 120 dB
Channel Fader Attenuation: < 120 dB
Mic: -100 dB at 1 kHz, -85 dB at 10 kHz
Line: -100 dB at 1 kHz, -85 dB at 10 kHz
Mic Gain: -5 to 58 dB integrated pad design, 1 dB steps
Line Trim: -10 to +16 dB
Threshold: -60 to -6 dBfs
Depth: -60 to -3 dB
Attack: 0.1 to 200 ms
Release: 20 to 500 ms
Side-chain HPF: 22 Hz to 2.5 kHz
Side-chain LPF: 160 Hz to 20 kHz
Threshold: -52 to -6 dBfs
Ratio: 1:1 to 20:1
Attack: 0.1 to 200 ms
Release: 5 to 900 ms
Makeup Gain: 0 to 24 dB
All Bands: 22 Hz to 20 kHz, +/-15 dB, Q 6 to 0.3
Shelf (HF): 800 Hz to 20 kHz, +/-15 dB
Shelf (LF): 20 Hz to 500 Hz, +/-15 dB
HPF: 40 Hz to 1 kHz
User adjustable delay: 1 sample to 500 ms
31 Hz to 16 kHz 1/3 octave
External Word Clock: In range 48 kHz +/-7 Hz (internal systems), +/-3 Hz with stageboxes
Word Clock Out Jitter: +/-7 ns
Analog Out for 0 dBfs: +21.5 dBu
Converter Resolution: 24-bit
DSP Resolution: 40-bit floating point
Mic In to Line Out: < 0.8 ms
Analog In to AES Out: < 0.6 ms
Stagebox Mic In to Stagebox: < 0.9 ms
Mic Input: +22 dBu max
Line Input: +22 dBu max
Mix Output: +21.5 dBu max
Headphones: (at 150 ohms) 300 mW (recommended impedance 75 to 200 ohms)
Mic Input: 3 kOhms
Line Input: 10 kOhms
Outputs: 150 ohms (balanced), 75 ohms (unbalanced)
Word Clock used as Output: 50 ohms
Word Clock used as Input: 47 ohms
AES Output: 110 ohms
Max Current: 500 mA
Consumption: < 130 W (typical)
AC Input Voltage Range: 88 to 264 VAC auto sensing
AC Frequency Range: 47 to 63 Hz
4 to 113 deg. F / -16 to 45 deg. C
-4 to 140 deg. F / -20 to 60 deg. C
0-90%, non-condensing Ta = 104 deg. F (40 deg. C)
6.3 x 29.5 x 19.7" / 160.02 x 749.30 x 500.38mm
44.1lbs / 20.00kg
Become the master of live sound mixing with the Soundcraft Si Impact 40-Input Digital Mixing Console. This sophisticated console is engineered to deliver the legendary British sound that has defined Soundcraft's legacy in professional audio equipment. With a heritage rooted in over 40 years of experience, the Si Impact combines the intuitive simplicity of an analog mixer with the advanced capabilities of digital technology.
The Si Impact boasts a comprehensive array of features, including 32 high-quality microphone inputs and 8 XLR/1/4" combi-jacks for versatile line inputs and instrument connections. Its 40 DSP input channels, comprising 32 mono inputs and 4 stereo channels/returns, offer unparalleled control over your audio sources. The console is equipped with 31 output busses, each with full DSP processing and graphic equalization, ensuring precise sound shaping capabilities.
Experience the precision of a 4-band fully parametric EQ on each channel and bus, along with 8 variable control audio (VCA) groups and 8 mute groups for advanced audio routing. The Si Impact's 26 motorized faders, including 24 for inputs plus left/right/mono, provide tactile control over your mix, complemented by 4 fully customizable fader layers for personalized workflow.
The built-in stage box connectivity simplifies setup, while the 5" touchscreen display and multi-color LCD channel displays on each input fader offer immediate visual feedback. The console's 4 studio-grade Lexicon Effects engines and dedicated FX busses bring world-class reverbs, delays, and modulations to your fingertips, alongside BSS Graphic Equalizers on every bus for industry-standard sound shaping.
With 20 sub-group/aux busses and 4 mono/stereo matrix busses, the Si Impact provides extensive routing options. The integrated 32x32 USB audio interface facilitates seamless multi-track recording and playback, making this console a powerhouse for both live and studio applications.
Innovative digital mixing is at the core of the Si Impact, with features like the unique FaderGlow system that illuminates fader tracks in different colors for quick identification of their assigned functions. The clear multi-color LCD displays ensure you have all the critical information you need, right at your fingertips.
The Si Impact is not just about power; it's about flexibility. The optional Soundcraft Stage box can be connected via a single Cat 5 cable, allowing you to place your I/O exactly where it's needed, whether on stage or in the recording room. The console's pristine audio quality is easily captured directly to your DAW, with a free download of Ableton Live Lite 9 included for immediate recording capabilities.
For the ultimate in remote mixing, the Si Impact's capabilities can be accessed from anywhere in the venue using the Soundcraft remote iPad app. This innovative feature enables front-of-house mixing from the audience, monitor mixing from the stage, or even individual monitor mix adjustments from multiple iPad devices.
The Soundcraft Si Impact 40-Input Digital Mixing Console is the epitome of professional, high-quality audio mixing and recording. It's the perfect choice for audio professionals who demand the best in sound quality, flexibility, and innovative digital features.