Si Expression 3 เครื่องผสมสัญญาณเสียงแบบดิจิตอล 32 Microphone Pre-Amp 64 x 64 Ch Expansion Slot, 14 Auxiliary/Group Mixes iPAD Control
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Si Expression 3 เครื่องผสมสัญญาณเสียงแบบดิจิตอล 32 Microphone Pre-Amp 64 x 64 Ch Expansion Slot, 14 Auxiliary/Group Mixes iPAD Control
Soundcraft Si Expression 3 Digital Mixer is a digital mixing console designed for live sound applications. The mixer features 32 microphone preamps, 4 line inputs, AES in, 4 internal stereo FX returns, 30 faders, a 64 x 64 expansion slot for additional routing possibilities, and 66 input processing channels.
Every input processing channel on the board can be routed through a dedicated high-pass filter, input delay, compressor, gate, and four-band equalizer. Each channel is also under the control of an automation system with four mute groups and illuminated faders to keep track of signal processing. For outputs, the mixer includes 16 balanced line outputs, a headphone monitor output, AES output, and the 64 x 64 expansion slot.
The mixer features 14 aux/group mixes that can be used as 14 mono mixes, or 8 mono and 6 stereo mixes, or any combination between. The mixer also utilizes 4 matrix mixes that allow you to assign any combination of inputs to any combination of outputs in either mono or stereo mode. In addition to the auxiliary/group and matrix busses, the unit features four mix busses dedicated to the device’s internal Lexicon FX processing. Each bus mix includes a delay, compressor, a four-band equalizer, and a BSS graphic equalizer. Since the Lexicon FX processor is hardware based, using the effects does not influence the signal processing performance of the rest of the mixer.
For I/O expansion, the mixer will accept any of the Soundcraft Si series option cards including AES, AVIOM, CobraNet, Firewire/USB/ADAT, Dante CAT5, and optical MADI. The MADI card allows you to connect to multi-track recording systems, plug-ins such as WAVES, and Studer or Soundcraft stageboxes. Using a stagebox increases both the number of physical inputs, as well as the number of input processing channels. Every processing parameter utilizes a dedicated control so that you do not need to navigate through menu hierarchies to make adjustments. A row of global mode encoders above each channel gives you control over gain, high-pass filter parameters, and pan position.
Preamplifier | 32 x Balanced XLR’s with preamps |
Faders | 30 |
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 dB
Channel 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 steps
Line Trim: -10 to 16 dB |
Gate | Threshold: -60 dBfs to -6 dBfs
Depth: -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 | |
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Threshold | -52 dBfs to -6 dBfs
Ratio 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 |
Packaging Info | |
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Package Weight | 59.1 lb |
Box Dimensions (LxWxH) | 41.0 x 27.0 x 11.0″ |