Features & Applications
Features
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Applications
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Detailed Description SQ-6
SQ-6 is a 48-channel digital mixer in the Allen & Heath SQ range, built around a 96 kHz XCVI FPGA engine. This model provides 24 local microphone inputs, a dedicated talkback input and 25 motorized faders arranged across six layers. Twelve stereo mixes can operate as auxiliaries or groups alongside the main LR mix.
The touchscreen, assignable channel strips, Chromatic metering and physical processing controls support a customizable mixing layout. Channel processing includes a gate, parametric EQ, compressor and delay, with graphic EQ on mixes and eight stereo FX engines. DEEP add-ons extend the available processing when licensed.
SLink connects compatible stageboxes and personal-monitoring systems, while an option-card slot supports additional audio formats. SQ-Drive records directly to USB storage; the USB-B interface provides 32-channel computer recording and playback. Scene memories, recall filters and automatic mic mixing support live events, worship, AV and installed systems.
Manufacturer documents: Technical Datasheet · SQ Brochure
Technical Specifications SQ-6
Architecture and control |
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|---|---|
| TYPE | 96 kHz XCVI FPGA digital mixer |
| INPUT PROCESSING CHANNELS | 48 |
| MIX ARCHITECTURE | 12 stereo mixes, configurable as aux / group, plus Main LR; 36 total buses |
| LOCAL MIC INPUTS | 24 |
| TALKBACK | Dedicated XLR microphone input |
| LOCAL LINE OUTPUTS | 14 × XLR plus 2 × TRS A/B |
| MOTORIZED FADERS | 25; 6 layers |
| SOFTKEYS | 16 |
| SOFTROTARIES | 4 |
| SCENE MEMORIES | 300 per show |
Inputs |
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| 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 |
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| 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 |
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| XLR OUTPUTS | 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 110 Ω |
SLink |
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| CONNECTION | Neutrik EtherCON (RJ45) |
| DSNAKE MODE (48KHZ DEVICES) | 40 input 20+40(ME) output channels |
| DX MODE (96KHZ DEVICES) | 32 input 32 output channels |
| GIGAACE/GX (96KHZ DEVICES) | 128 input 128 output channels |
| INPUTS | Fully Patchable |
| OUTPUTS | Fully Patchable |
| SYNC/SRC | Assignable as master audio sync for all modes, SRC |
I/O Port |
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| INPUTS | Fully Patchable |
| OUTPUTS | Fully Patchable |
| SYNC/SRC | Assignable as master audio sync |
System |
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| 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 | Chromatic Channel 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 to Main L/R |
| OPERATING TEMPERATURE RANGE | 0 deg C to 40 deg C (32 deg F to 104 deg F) |
| MAINS POWER | 100-240V AC, 50/60Hz |
| MAXIMUM POWER CONSUMPTION | 90 W |
Control |
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| FADERS | 100mm motorised |
| TOUCH SCREEN | 7″ Capacitive, 800 x 480 resolution, 24 bit RGB |
| SOFTKEYS | 16 |
| SOFTROTARYS | 4 |
| 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 |
Input processing |
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| INPUT CHANNEL SOURCES | Fully patchable |
| CH1-48 | Fully patchable |
| USB GLOBAL SOURCE | SQ-Drive or USB B Streaming |
| POLARITY | Normal/Invert |
| TRIM | -24 to +24dB |
| HIGH PASS FILTER | 12/18/24dB per 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, HPF/LPF 12dB/octave |
| BAND 2, BAND 3 | Bell |
| BELL WIDTH | Variable Q, 1.5 to 1/9th octave |
| COMPRESSOR | Patchable Sidechain, DEEP options |
| 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) |
| SOURCE SELECT | Post-Preamp, Post-HPF, Post-Gate, Insert Return, Post-PEQ, Post-Comp, Post-Delay trim -infin to 10dB per channel |
Mix processing |
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| INSERT (PRE EQ/COMP) | Fully Patchable |
| DELAY | Up to 682ms |
| GEQ | 28 bands 31Hz-16kHz, +/-12dB Gain, Constant 1/3 oct, DEEP options |
| PEQ | As Input PEQ |
| COMPRESSOR | As Input Compressor |
FX |
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| INTERNAL FX | 8 x RackFX engine, Send>Return or Inserted (4 dedicated fx bus) |
| TYPES | SMR Reverb, Stereo Tap Delay, Gated Reverb, ADT, Blue Chorus Symphonic Chorus, Flanger, Phaser |
| 8 DEDICATED STEREO FX RETURNS | Fader, Pan, Mute, Routing to Mix/LR, 4-Band PEQ |
Audio Tools |
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| 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 input or mix, Sine/White/Pink/Bandpass Noise |
| RTA’S | 2x 31-Band 1/3 octave (Stereo) or 61-Band 1/6 octave (Mono) 20-20kHz. PAFL/Selected Channel or Fixed Source |
USB Audio |
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| SQ-DRIVE | USB-A |
| 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 | 1-16 channel 96kHz, 1-32 channel 48kHz, 24-bit, WAV, fully patchable |
| MULTITRACK PLAYBACK | 1-16 channel 96kHz, 1-32 channel 48kHz, 24-bit, WAV, fully patchable |
| USB AUDIO STREAMING | USB-B, Core Audio compliant, ASIO/WDM for Windows |
| SEND (UPSTREAM) | 32 channel, 48/96kHz, 24-bit |
| RETURN (DOWNSTREAM) | 32 channel, 48/96kHz, 24-bit |
AMMs |
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| CONFIGURATION | 2x 24ch or 1x 48ch, freely assignable |
| TYPE | Gain Sharing |
| SIDECHAIN FILTER HPF / LPF | 12dB/octave 20Hz – 5kHz / 120Hz – 20kHz |
| PRIORITY | -15dB to +15dB per channel |
Add-ons |
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| DEEP PREAMPS | Tube Stage |
| DEEP COMPRESSORS | Opto, 16T, 16VU, PeakLimiter76, Mighty |
| DEEP GEQ’S | Proportional-Q, DiGi-GEQ, Hybrid |
| RACKFX UNITS | De-Esser, DynEQ4, MultiBD3, MultiBD4, Bucket Brigade, Echo, Hypabass |
Dimensions and weight |
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| DIMENSIONS (W × D × H) | 638 × 514.9 × 198 mm |
| WEIGHT | 14.5 kg |
| PACKED DIMENSIONS (W × D × H) | 820 × 680 × 360 mm |
| PACKED WEIGHT | 17.3 kg |
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