S21 Audio Console

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The Digico S21 consists of a worksurface, an audio engine and a range of onboard inputs and outputs.

The S21 can be connected using optional DiGiCo DMI Cards to a variety of DiGiCo racks and other audio input/output devices.  The console worksurface consists of two (2) sections that can be configured to control up to forty (40) mono or stereo input channels, ten (10) VCAs, sixteen (16) mono or stereo busses plus a Master buss and a ten (10) Input x eight (8) Output Matrix.  The left and right sections have ten (10) assignable faders and ten (10) sets of assignable on-screen channel controls, the right hand section also has a dedicated Master fader and mute, a Master/Solo meter, a set of six (6) assignable encoder/switches and worksurface navigation controls The console's buss architecture is dynamic, and can support mono and stereo configurations.  Multiple console setups can provide: Front of House and Monitoring with shared stage racks and gain tracking.

More Information
Manufacturer DiGiCo

  • 48 Flexi Input Channels
  • 16 Flexi Aux / Sub-Group Busses
  • LR Master Bus
  • 10 x 8 Full Processing Matrix
  • 2 Solo
  • 4 (To Follow) Dynamic Equalizers
  • 4 Assignable DiDiTuBes
  • 4 Assignable Multiband Compressors
  • 8 Digital FX
  • 16 Assignable Graphic Equalizer
  • Optional Waves Integration
  • 96kHz Sample Rate

Particular Specification
Dimensions (WxDxH) 762 x 586 x 295mm
30 x 23.1 x 11.6"
Weight 19.05kg
Faders 21 x 100mm touch-sensitive, motorised
Screens 2 x multi-touch screens

Audio Specifications
Sample Rate 48kHz, 96kHz
Processing Delay 2ms Typical @ 48k(60 Stereo Channels, Stage)
Input Through L-R Buss to Stage Output) 1.1ms @ 96kHz
Internal Processing Up to 40-bit, Floating Point
Converter Bit Depth A>D & D>A 24-bit
Frequency Response ±0.6dB (20Hz - 20kHz)
THD <0.05% @ Unity Gain, 10dB Input @ 1kHz
Channel Seperation Better Than 90dB (40Hz - 15kHz)
Residual Output <90dBu Typical
Noise 20Hz - 20kHz
Microphone Input Better Than -126dB Equivalent Noise
Maximum Output Level +22dBu
Maximum Input Level +22dBu

General Specifications
46 busses: 16 x flexi-busses Mono/Stereo (equivalent of 32 DSP busses), Stereo Master (2), Solo busses (2 stereo, 4 total), and 10 x 8 Matrix (8)
10 x Control Groups
1 x Compressor per channel and buss
1 x Gate per channel and buss (switchable to ducker, or compressor with side chain access)
16 x assignable 32 band Graphic EQs
8 x FX engines (reverbs, delays, w/modulation and enhancer)
4 x assignable DiGiTuBes
4 x assignable Multiband Comps
User definable Macros
An extremely high power headphone amplifier with 1/4 inch and mini jack socket
96kHz as standard
24 mic line inputs
12 analogue outs
2 AES I/O (mono)
Word Clock I/O
1 GPI and 1 GPO
DVI out (for an external monitor)
2 DMI Card slots (up to 64 I/O per slot)
2 Ethernet connections for Networking
2 x 24 segment master/solo meters
Touch sensitive rotaries with integrated switch & HTL
2 x multi-touch screens
21 x touch sensitive moving faders
4 x layers of banks of 10 faders
Customisable bank and channel layout
Integrated USB2 Audio I/O interface for recording and playback of up to 48 channels 40 x Input flex-channels Mono/Stereo (equivalent of 80 DSP channels)