Allen & Heath SQ-6

Features

• 96kHz FPGA processing
• 48 Input Channels
• DEEP Processing ready
• 25 Faders / 6 Layers
• 12 Stereo mixes + LR
• 3 Stereo Matrix
• 8 Stereo FX Engines + dedicated returns
• 7” capacitive touchscreen
• SLink port for remote audio / expansion
• 64ch I/O Port for audio networking
• 32×32 USB audio interface
• SQ-Drive direct recording to USB
• AES output
• Chromatic channel metering
• Integrated LED illumination
• Dedicated physical controls
• 16 Assignable SoftKeys
• 4 Assignable Soft Rotaries
• Channel LCD displays

Specifications

Mic/Line Inputs (Balanced XLR, fully recallable)

• Input Sensitivity: -60 to +0dBu
• Switchable Pad: -20dB 
• Analogue Gain: 0dB to +60dB, 1dB steps
• Maximum Input Level: +30dBu
• Input Impedance: >5kΩ
• THD+N, Unity gain 0dB: 0.002% -92dBu (20Hz-20kHz, AES Direct Out, @0dBu 1kHz)
• THD+N, Mid gain +30dB: 0.003% -91dBu (20Hz-20kHz, AES Direct Out, @-30dBu INPUT 1kHz)
• Phantom Power: +48V (+3V / -2V)

Stereo Line Inputs

• ST1, ST2 connectors: Balanced, 1/4" TRS jack
• ST3 connector: Unbalanced, stereo 3.5mm Mini Jack
• Input Sensitivity (ST1, ST2 / ST3): Nominal +4dBu ST1, ST2 / 0dBu ST3
• Trim: +/-24dB
• Maximum Input Level (ST1,ST2 / ST3): +22dBu / +18dBu
• Input Impedance: >7kΩ

Outputs

• Outputs 1-12 (SQ-5) and 1- 14 (SQ-6): Balanced, XLR
• Outputs A and B: Balanced 1/4" TRS Jack
• Source: Patchable
• Output Impedance: <75Ω
• Nominal Output: +4dBu = 0dB meter reading 
• Maximum Output Level: +22dBu
• Residual Output Noise: -90dBu (muted, 20Hz-20kHz)

AES Digital Output

• Balanced XLR 2 channel,
• 96kHz sampling rate (Default with SRC Bypassed)
• Switchable output sample rates,44.1kHz/ 48kHz/ 88.2kHz/ (96kHz)
• 2.5Vpp balanced terminated 110Ω
   
• Connection: Neutrik EtherCON (RJ45)
• dsnake mode (48kHz devices)*: 64 channels assignable, compatible with AR2412, AR84, AB168, ME
• dx mode (96kHz devices): 32 channels assignable*, compatible with DX168
• gigaACE (96kHz devices): 128 channels assignable, compatible with dLive, SQ and DXHub*
• Inputs: Fully Patchable
• Outputs: Fully Patchable
• Sync/SRC: assignable as master audio sync for all modes, * SRC 64 channel
   
• Faders: 100mm motorised
• Touch Screen: 7" Capacitive, 800 x 480 resolution, 24 bit RGB
• SoftKeys: 8 (SQ-5), 16 (SQ-6)
• Mute Groups / DCA Groups: 8 / 8
• Network: TCP/IP Ethernet for MIDI and Control
• MIDI: TCP/IP and USB B
• Footswitch: Single or Dual, Momentary or Latching*

Source

• CH1-48: Fully patchable
• USB Global Source: SQ-Drive or USB B Streaming​
   
• Polarity: Normal/Invert
• Trim: -24 to +24dB
• High Pass Filter: 12dB/octave 20Hz – 2kHz
• Insert (Pre EQ/Comp): Fully Patchable 
• Delay: Up to 341ms

Gate: Patchable Sidechain

• Sidechain filter: Hi-pass (20-5k), band-pass (120-10k), Lo-pass (120-20k)
• Threshold / Depth: -72dBu to +18dBu / 0 to 60dB
• Attack / Hold / Release: 50μs to 300ms / 10ms to 5s / 10ms to 1s
   

PEQ: 4-Band fully parametric, 20-20kHz, +/-15dB

• Band 1, Band 4: Selectable Shelving (Baxandall), Bell
• Band 2, Band 3: Bell
• Bell Width: Variable Q, 1.5 to 1/9th octave
   

Compressor: Patchable Sidechain

• Sidechain filter: Hi-pass (20-5k), band-pass (120-10k), Lo-pass (120-20k), Q=1
• Threshold / Ratio: -46dBu to 18dBu / 1:1 to infinity 
• Attack / Release: 30μs to 300ms / 50ms to 2s
• Knee: Soft/Hard
• Detector response: Peak/RMS switchable 
• Parallel Path Compression: dry/wet -infin to 0dB
   
• Channel direct Out: Follow Fader, Mute, Mute Group, DCA (Global all ch) Multi-channel IO Option Module
• Inputs: Fully patchable
• Outputs: Fully patchable
• Sync/SRC: Assignable as master audio sync
   
• Dynamic Range: 112 dB
• Frequency Response: +0/-0.5dB 20Hz to 20kHz 
• Headroom: +18dB
• Internal operating Level: 0dBu
• THD+N, Mic/Line routed to Main L/R Out: Unity gain faders@0dB, 0.006%, - 84dBu (20 - 20kHz)
• dBFS Alignment: +18dBu = 0dBFS (+22dBu at XLR output)
• Meter Calibration: 0dB meter = -18dBFS (+4dBu at XLR out)
• Main Meter Type: 2 x 12 segment, fast (peak) response
• Channel Meter Type: Single Point Metering, fully programmable colour/brightness
• Peak Indication: -3dBFS (+19dBu at XLR out), multi- point sensing
• Sampling Rate: 96kHz
• Bit Depth: Uses XCVI core custom bit widths in algorithms, up to 96bits
• Latency: <0.7mS, Local Mic Input routed to Main L/R. (Direct, No EQ/ Effects)
• Operating Temperature Range: 0 deg C to 40 deg C (32 deg F to 104 deg F)
• Mains Power: 100-240V AC, 50/60Hz 
• Max Power Consumption SQ- 5/SQ-6: 75W / 90W

Physical Specifications

• Desk mounted: 638 x 514.9 x 198 mm (25.1" x 20.3" x 7.8")
• Packed in shipping box: 820 x 680 x 360 mm (32.3" x 26.8" x 14.2")
• Unpacked weight: 13.3 kg (29.3 lbs) 
• Packed weight: 17.3 kg (38.1 lbs)
   
• Source select: 
  • Post-Preamp
  • Post-HPF
  • Post Gate
  • Insert Return
  • Post PEQ
  • Post Comp
  • Post Delay
  • trim -infin to 10dB per channel
• Insert (Pre EQ/Comp): Fully Patchable
• Delay: Up to 682ms
• GEQ: 28 bands 31Hz-16kHz, +/-12dB Gain, Constant 1/3 oct
• PEQ: As Input PEQ
• Compressor: As Input Compressor
• Internal FX: 8 x RackFX engine, Send>Return or Inserted (4 dedicated fx bus)
• Types: 
  • SMR Reverb, StereoTap Delay, Gated Reverb, ADT, BlueChorus
  • Symphonic Chorus, Flanger, Phaser
• 8 dedicated Stereo FX returns: Fader, Pan, Mute, Routing to Mix/LR, 4-Band PEQ
• PAFL: PFL or stereo in-place AFL, 0 to -24dB Trim, PAFL Delay Up to 682ms
• Talkback: dedicated input, Assignable to any mix, Gain, Pad, 48V, 12dB/oct HPF
• Signal Generator: Assignable to any mix, Sine/White/Pink/Bandpass Noise
• RTA: 31-Bands 1/3 octave 20-20kHz, follows PAFL source
   

SQ-Drive

• Stereo Record: 2 channel, WAV, 96kHz, 24-bit, source fully patchable
• Stereo Playback : 1/2 channel, WAV, 44.1, 48, 96kHz 16,24-bit, source fully patchable
• Multitrack Record: 16 channel, WAV, 96kHz, 24-bit, track sources fully patchable
• Multitrack Playback: 16 channel, WAV, 96kHz, 24-bit fully patchable
   

USB Audio Streaming

• Send (upstream): 32 channel, 96kHz, 24-bit
• Return (downstream: 32 channel, 96kHz, 24-bit