The Allen & Heath QU-SB Digital Mixer is a compact yet powerful digital mixing solution designed for live sound and studio applications. This innovative mixer features a 19-inch rack-mountable design, making it highly portable and space-efficient. Equipped with 16 onboard mic preamps and expandable to 32 channels, the QU-SB delivers exceptional audio quality with its 24-bit/48kHz resolution. The mixer is controlled via the Qu-Pad app on an iPad, providing a wireless and intuitive interface for mixing from anywhere in the venue. With its advanced DSP processing, it offers a wide range of effects, dynamic controls, and automatic mic mixing capabilities. The QU-SB also supports multi-track recording directly to USB drives and integrates seamlessly with DAWs via USB-B connectivity. Built with robust construction, it ensures durability and reliability for demanding live environments. The Allen & Heath QU-SB Digital Mixer is the perfect blend of flexibility, control, and professional-grade performance.
• 16 local Mono Mic/Line Inputs (TRS + XLR)
• Recallable AnaLOGIQ Preamps
• 1 Stereo Input (TRS)
• 12 local Mix Outputs (XLR)
• 1 Stereo Output (TRS)
• Expandable up to 32 input, 24 out using dSNAKE AudioRack
• Up to 11 Monitor Mixes (4 mono + 7 stereo)
• 4 Stereo Groups (switchable to Mix mode)
• 4 FX Engines
• 4 dedicated FX Sends / Returns
• 4 Mute Groups
• 4 DCA Groups
• 32×32 USB Audio Interface
• Qu-Drive Multitrack Recording / Playback direct to USB device
• dSNAKE Remote Audio Port
• Qu-Pad fully-featured iPad App
• Qu-You iPhone / Android personal monitoring app
• Qu-Control customisable iOS app for simple wireless control
• Trim, polarity, HPF, gate, insert, 4-band PEQ, compressor, delay on all Inputs
• Insert, 4-band PEQ, 1/3 octave GEQ, compressor, delay on all Outputs
• Automatic Mic Mixer
• Channel Ducker on all Inputs
• ProFactory Mic Presets
• iLive FX Library
• Built-in Signal Generator
• RTA with Peak Band indication
• Spectrogram to aid feedback elimination and room acoustics
• DAW MIDI Control
• Compatible with ME Personal Mixing System
• 19” Rack Mountable with optional rack ears
• Mic/Line Inputs: Balanced, 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): >5k(omega) / >10 k(omega)
• THD+N, Unity gain 0dB: 0.0005% -89 dBu (20-20kHz, Direct Out @0dBu 1kHz)
• THD+N, Mid gain +30dB: 0.001% -83dBu (20-20kHz, Direct Out @0dBu 1kHz)
• ST1, connector: Balanced, 1/4" TRS jack, half normalled
• Input Sensitivity (ST1, ST2 / ST3): Nominal +4dBu / 0dBu
• Trim: +/-24dB
• Maximum Input Level (ST1,ST2 / ST3): +22dBu / +18dBu
• Input Impedance: >7k(omega)
• Mix1-10 and LR Out: Balanced, XLR
• Output Impedance: <75(omega)
• Nominal Output: +4dBu = 0dB meter reading
• Maximum Output Level: +22dBu
• Residual Output Noise: -90 dBu (muted, 20-20kHz)
• Mtx 1-2: Balanced, 1/4" TRS jack
• Source (Alt Output / 2Trk Output): Patchable / LR post-fade
• Output Impedance: <75(omega)
• Nominal Output: +4dBu = 0dB met...2 channel, WAV, 48kHz, 24-bit
• Compressor: Self-key Sidechain
• Threshold / Ratio: -46dBu to 18dBu / 1:1 to infinity
• Attack / Release: 300us – 300ms / 100ms - 2s
• Knee: Soft/Hard
• Types: Peak Manual, RMS Manual, SlowOpto, PunchBag
• Internal FX: 4x RackFX engine, Send>Return or Inserted
• Audio Tools:
• Types: Reverbs, Delays, Gated Reverb, ADT Chorus, Symphonic Chorus, Phaser, Flanger
• 4 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, 85ms Delay
• Talkback: Assignable to any mix, 12dB/oct HPF
• Signal Generator: Assignable to any mix, Sine / White/Pink/Band-pass Noise
• RTA: 31-Bands 1/3 octave 20-20kHz, follows PAFL source
• Dimensions & Weights (W x D x H):
• Desk mounted/stagebox use: 435.5 x 174.5 x 161 mm (17.2" x 6.9" x 6.4")
• Rack mounted: 483 x 135.4 x 177 mm (19" x 6.9" x 7") 4U
• Packed in shipping box: 550 x 270 x 270 mm (21.7" x 10.6" x 10.6")
• Unpacked weight: 5.7 kg (12.7 lbs)
(1) Allen & Heath Qu-SB Mixer
(1) Power Cord
(1) Operator's Instructions
