Allen & Heath QU-SB Portable 32 Channel 18 IN / 14 OUT Digital Mixer with Remote Wireless Control

SKU
AH-QU-SB
$1,399.99

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Qu harnesses the full potential of digital mixing technology, with total recall of settings (including the all-important fader position and preamp gain), convenient recording and playback solutions, iPad control, personal monitoring options and the choice of local or remote Cat5 I/O.

Qu-SB is an ultra-compact digital mixer which frees you to mix from anywhere in the venue and provides a smart, portable solution for performing bands and artists. Qu-SB is portable enough to carry under one arm and comes loaded with our highly acclaimed suite of FX emulations and dynamics, making it a smart replacement for an old analogue mixer and a rack full of outboard FX. The companion Qu-Pad app is a slick, intuitive interface for setting up the show and mixing live from your iPad, and there's also a customisable Qu-Control app that lets you choose just a few essential controls that you really need in front of you for easy access during the show. Couple these with the Qu-You personal monitoring app for Android / iOS and Qu-SB is a fantastic choice if you're mixing your own monitors and want to get the same great sound wherever you play. With all of your settings saved and ready, plus multi-track recording and playback of previous shows for virtual soundchecks, you'll be all set to play in record time. On top of the 18 on board inputs and 14 outputs, Qu-SB has you future-proofed with plug n' play expansion up to 38 inputs / 24 outputs via a family of remote AudioRacks. Having massive processing power and advanced functionality is great, but it counts for nothing if you can't access the controls you need in a heartbeat. Qu-SB is designed to integrate seamlessly with the fully-featured Qu-Pad iPad app, providing super-fast, easy access to all settings, including channel processing, meters and RTA views, FX racks, scene management, USB audio control, setup menus and much more.

Qu-Pad gives you instant access to all live mixing parameters and frees you to EQ and mix monitors on stage, roam around the venue whilst adjusting the PA, and mix the show from on-stage or the heart of the audience by connecting to the mixer over Wi-Fi. Qu-You allows up to seven performers to control their own monitor mixes using any iOS or Android device, and frees up the engineer to focus on mixing for the audience. Qu-Control is a customisable iOS app providing a simple interface for non-technical users to control the essential parameters of Qu mixers when technical operators are not around. Qu Apps require the connection of a Wi-Fi router or access point to the mixer's Network port. Qu-SB's sixteen AnalogiQTM total recall preamps feature zero crossing detection and an advanced padless 1dB step gain stage, closely allied to the DSP for optimal gain accuracy and audio transparency. The analogue signal is captured by high class, low latency 24bit analogue to digital converters matched to high quality 24bit digital to analogue converters to deliver the required outputs. The AnalogiQTM design has been refined over many months to offer superb transparency, minimal distortion and an ultra-low noise floor, with a warm, musical sound that is missing from some digital consoles. Qu-SB's dynamics and FX algorithms are derived from those used in Allen & Heath's pro touring consoles. Some of the world's most respected audio engineers have chosen to use RackFX on tour in preference to top-end plug-ins and external FX units. Qu-SB boasts 4 stereo RackFX engines, featuring lovingly crafted emulations of legendary classic reverbs, gated reverbs, delays, modulators, flangers and more. FX are returned to the mix on dedicated return channels, so you're not tying up your mono and stereo input channels. Each Stereo FX Return has a dedicated 4 band PEQ.

Allen & Heath QU-SB Digital Mixer Features:

  • Band mixer for on-stage live mixing, personal monitoring, live and DAW multitrack recording.
  • Corporate event mixing complete with built-in automatic mic mixer (AMM.)
  • 32 channel mix engine with 4 internal FX and full processing on all inputs and outputs.
  • 16 Mic/Line inputs expandable to 32 via dSNAKE (using optional AudioRack.)
  • 37 sources to the mix including 32 Mic/Line, 1 stereo Line input, 4 dedicated FX returns.
  • 12 mixes (4 mono, 3 stereo, LR), 4 stereo groups, 2 stereo matrix.
  • Local outputs for the 12 mixes, LR and MTX1-2. Access other outputs via dSNAKE.
  • Ability to convert groups to mixes (provide up to 4 mono and 7 stereo monitor mixes.)
  • Free standing or 19" 4U rack mount (optional rack ear kit.)
  • 4 Mute groups, 4 DCA groups.
  • Input processing - Preamp, HPF, Gate, PEQ, Compressor, Delay, Ducking.
  • Output processing - PEQ, Graphic EQ, Compressor, Delay.
  • 100 Scene memories with recall filters, safes and USB data transfer.
  • Qu-Drive for stereo and 18-track recording/playback to USB device.
  • 32 in, 32 out USB streaming, MIDI DAW control.
  • Qu-Pad complete mixing wireless remote app for iPad.
  • Qu-You personal monitoring app for iPhone, iPad, iPod Touch, Android.
  • Qu-Control customizable app for iOS enabling intuitive wireless control in installed environments.
  • Compatible with the Allen & Heath ME personal mixing system.
  • User permissions and login to enable operator access.

Allen & Heath QU-SB Product Specifications:
Inputs
Mic/Line InputsBalanced, XLR and 1/4" TRS jack, fully recallable
Input Sensitivity (XLR / TRS)-60 to +5dBu / -50 to +15dBu
Analogue Gain-5 to +60dB, 1dB steps
Maximum Input Level (XLR / TRS)+19dBu / +29dBu
Input Impedance (XLR / TRS)>5kΩ / >10 kΩ
THD+N, Unity gain 0dB0.0005% -89 dBu (20-20kHz, Direct Out @0dBu 1kHz)
THD+N, Mid gain +30dB0.001% -83dBu (20-20kHz, Direct Out @0dBu 1kHz)
Phantom Power+48V
Stereo Line Inputs
ST1, ST2 connectorBalanced, 1/4" TRS jack, half normalled
ST3 connector (not Qu-SB)Unbalanced, stereo 3.5mm Mini Jack
Input Sensitivity (ST1, ST2 / ST3)Nominal +4dBu / 0dBu
Trim+/-24dB
Maximum Input Level (ST1,ST2 / ST3)+22dBu / +18dBu
Input Impedance>7kΩ
Outputs
Mix1-10 and LR OutBalanced, XLR
Group and Matrix Out (not Qu-16)(1/4" TRS Matrix Out on Qu-SB)
Output Impedance<75Ω
Nominal Output+4dBu = 0dB meter reading
Maximum Output Level+22dBu
Residual Output Noise-90 dBu (muted, 20-20kHz)
Stereo Alt Out & 2Trk Out (not Qu-SB)Balanced, 1/4" TRS jack
Source (Alt Output / 2Trk Output)Patchable / LR post-fade
Output Impedance<75Ω
Nominal Output+4dBu = 0dB meter reading
Maximum Output Level+22dBu
Residual Output Noise-90 dBu (muted, 20-20kHz)
AES Digital Output (not Qu-SB)2 channel, 48kHz sampling rate, XLR
2.5Vpp balanced terminated 110Ω
Control
Faders Qu-16, 24, 32100mm motorised
Touch Screen Qu-16, 24, Pac5" TFT, 800x480 resolution
Touch Screen Qu-327" TFT, 800x480 resolution
SoftKeys4 (Qu-16), 10 (Qu-24, 32), 15 (Qu-Pac)
Mute Groups / DCA Groups4 / 4
NetworkTCP/IP Ethernet for MIDI and iOS apps
Input Processing
Source
CH1-32, ST1, ST2Local, dSNAKE, or USB
ST3Local, dSNAKE, or USB Stereo
USB Global SourceQu-Drive or USB B Streaming
Stereo LinkingOdd/even input pairs
Parameters linkedEQ, dynamics, insert, delay, assignments, sends, Ducker
Link optionsPreamp, polarity, sidechains, fader/mute, pan
PolarityNormal/Reverse
High Pass Filter12dB/octave 20Hz - 2kHz
InsertFX or Ducker
DelayUp to 85ms
GateSelf key Sidechain
Threshold / Depth-72dBu to +18dBu / 0 to 60dB
Attack / Hold / Release50us to 300ms / 10ms to 5s / 10ms to 1s
PEQ4-Band fully parametric, 20-20kHz, +/-15dB
Band 1, Band 4Selectable Shelving (Baxandall), Bell
Band 2, Band 3Bell
Bell WidthNon-constant Q, variable, 1.5 to 1/9th octave
CompressorSelf key Sidechain
Threshold / Ratio-46dBu to 18dBu / 1:1 to infinity
Attack / Release300us - 300ms / 100ms - 2s
KneeSoft/Hard
TypesPeak Manual, RMS Manual, SlowOpto, PunchBag
Channel Direct Out to USBFollow Fader, follow Mute (global options)
Source select (global)Post-Preamp, Pre-EQ, Post-EQ, Post-Delay
dSNAKE
InputsPatchable to CH1-32, ST1, ST2, ST3
OutputsPatchable from Mix1-10, LR, Grp1-8, MTX1-4
Compatible with AudioRacks AR2412, AR84, AB168
Compatible with ME personal mixing system
System
Measured balanced XLR in to XLR out, 0dB gain, 0dBu input
Dynamic Range112 dB
Frequency Response+0/-0.5dB 20Hz to 20kHz
Headroom+18dB
Internal operating Level0dBu
dBFS Alignment+18dBu = 0dBFS (+22dBu at XLR output)
Meter Calibration0dB meter = -18dBFS (+4dBu at XLR out)
Meter Peak indication-3dBFS (+19dBu at XLR out), multi-point sensing
Meter Signal indication-48dBFS (-26dBu at XLR out)
Meter TypeFast (peak) response
Sampling Rate48kHz +/-100PPM
ADC, DAC24-bit Delta-Sigma
Latency1.2 ms (local XLR in to XLR out)
0.7 ms (local XLR in to AES out)
Operating Temperature Range0 deg C to 35 deg C (32 deg F to 95 deg F)
Mains Power100-240V AC, 50/60Hz
Max Power Consumption Qu-16/24/32/Pac/SB   82W/120W/150W/55W/49W
Mix Processing
InsertAssign FX into Mix channels
DelayUp to 170ms
GEQConstant 1/3 oct, 28 bands 31Hz-16kHz, +/-12dB Gain
PEQAs Input PEQ
CompressorAs Input Compressor
AMM
Available onCH1-16
ModeGain Sharing
Sidechain Filter HPF / LPF12dB/octave 20Hz - 2kHz / 120Hz - 20kHz
Priority-15dB to +15dB per channel
Ducker
Available onCH1-32, ST1-3, Group
Trigger SourceSelectable from any Input or Output
ModeSingle or Ganged
Threshold / Depth-72dBu to +18dBu / 0 to 60dB
Attack / Hold / ReleaseFast, Medium, Slow
USB Audio
Qu-DriveUSB A
Stereo Record2 channel, WAV, 48kHz, 24-bit, patchable
Stereo Playback2 channel, WAV, 44.1 or 48kHz, 16 or 24-bit, to ST3
Multitrack Record18 channel, WAV, 48kHz, 24-bit, patchable
Multitrack Playback18 channel, WAV, 48kHz, 24-bit
USB Audio StreamingUSB B, Core Audio compliant
Send (upstream) Qu-16/24/32/Pac/SB
Return (downstream) Qu-16/24/32/Pac/SB22/30/32/32/32 channel, WAV, 48kHz, 24-bit
FX
Internal FX4x RackFX engine, Send>Return or Inserted
TypesReverbs, Delays, Gated Reverb, ADT
Chorus, Symphonic Chorus, Phaser, Flanger
4 dedicated Stereo FX returnsFader, Pan, Mute, Routing to Mix/LR, 4-Band PEQ
Audio Tools
PAFLPFL or stereo in-place AFL, 0 to -24dB Trim, 85ms Delay
TalkbackAssignable to any mix, Gain, 48V, 12dB/oct HPF
Signal GeneratorAssignable to any mix, Sine / White/Pink/Bandpass Noise
RTA31-Bands 1/3 octave 20-20kHz, follows PAFL source
Dimensions & Weights
Qu-SBWidth x Depth x Height
Desk mounted / stagebox use435 x 174 x 162 mm (17.2" x 6.9" x 6.4")
Rack mounted-
Packed in shipping box550 x 270 x 270 mm (21.7" x 10.6" x 10.6")
Unpacked weight4.5 kg (9.9 lbs)
Packed weight5.7 kg (12.7 lbs)

Each QU-SB Retail Box Includes:
(1) Allen & Heath QU-SB Portable 32 Channel 18 IN / 14 OUT Digital Mixer with Remote Wireless Control
(1) Mains lead cable
(1) Qu-Series Getting Started Guide
(1) Safety Sheet

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