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Allen & Heath QUSB Compact digital mixer expandable to 38 x 28, iPad control

$1,599.00 $1,299.00

Features: Designed to accommodate a wide variety of live-sound reinforcement and recording scenarios, the Allen & Heath Qu-SB is an 18-in/14-out rack-mountable, console-less digital mixer that doubles as a 32x32 USB recording interface. Featuring 16 of the company's recallable AnalogiQ microphone preamps, and powered by a 5-core ARM processor, the...

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Features:

Designed to accommodate a wide variety of live-sound reinforcement and recording scenarios, the Allen & Heath Qu-SB is an 18-in/14-out rack-mountable, console-less digital mixer that doubles as a 32x32 USB recording interface. Featuring 16 of the company's recallable AnalogiQ microphone preamps, and powered by a 5-core ARM processor, the Qu-SB provides a variety of integrated effects and processing, including channel-independent 4-band parametric EQs, compressors, delay, and reverb. The mixer is compatible with both the ME Personal Mixing System and dSNAKE digital connectivity system from Allen & Heath, which allows for up to 38 inputs. The Qu-SB is designed to be used with the Qu-Pad app, allowing you to use your iPad to mix from anywhere in the venue when connected to a wireless network. Qu-Pad Mixing App:

  • Qu-SB is designed to integrate seamlessly with the 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 connects to the mixer over Wi-Fi and gives you the freedom to adjust the monitors on stage, roam around the venue whilst tweaking the PA, and then mix the show from the heart of the audience
  • AnalogiQ Preamps:
  • Qu-SB's sixteen AnalogiQ total recall preamps feature zero-crossing detection and an advanced pad-less 1 dB 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 24-bit analog-to-digital converters matched to high-quality 24-bit digital-to-analog converters to deliver the required outputs. The AnalogiQ design offers superb transparency, minimal distortion and an ultra-low noise floor, with a warm, musical sound
  • Qu-Drive:
  • Qu-SB has an integrated multitrack USB recorder, providing 18 channels of 48 kHz/24-bit recording and playback straight to/from your USB hard drive. Mixes and FX returns can be recorded alongside channels, and multitrack audio can be played back to the mixer for virtual soundchecks
  • An independent set of controls is provided for quick stereo recording of the main LR or other mix outputs, and a 2-track USB return can be routed to ST3 for playback of stereo WAV files such as walk-in music
  • iLive FX:
  • Qu-SB's dynamics and FX algorithms are derived from the FX used in the iLive pro touring series. Qu-SB boasts 4 stereo iLive FX engines, featuring emulations of legendary classic reverbs, gated reverbs, delays, modulators, flangers and more
  • Automatic Mic Mixer (AMM):
  • AMM is vital in applications such as conferences, meetings and panel discussions where a number of microphones are open at the same time, reducing background noise and minimizing the risk of feedback. The Automatic Microphone Mixer feature helps the engineer manage the levels of multiple mic inputs, ensuring that each speaker's contribution is heard. The D-Classic dynamic gain-sharing algorithm is inspired by industry-standard automixers. Up to 16 microphone sources can be mixed at once, with each channel having a priority setting which determines its 'weight' in the total system gain
  • Features:

  • 16 Mono Inputs (TRS + XLR)
  • 1 Stereo Input (TRS)
  • 12 on-board Mix Outputs (LR, Mono Mix 1-4, Stereo Mix 1-3)
  • 1 Stereo Matrix Out (TRS)
  • Qu-32 Core inside (32 Mono + 3 Stereo Input Channels)
  • Up to 11 Monitor Mixes (4 mono + 7 stereo)
  • 4 FX Engines
  • 4 FX Sends/Returns
  • 4 Mute Groups
  • 4 DCA Groups
  • Recallable AnaLOGIQ Preamps
  • iLive FX Library
  • dSNAKE Remote Audio Port expansion up to 38 inputs
  • Automatic Mic Mixer
  • 32?????ƒ?§’???¦’???32 USB Audio Interface
  • Qu-Drive direct Multitrack Recording/Playback on USB drives
  • Compatible with ME Personal Mixing System
  • Qu-Pad iPad App
  • Qu-You iPhone/Android personal monitoring app
  • Trim, polarity, HPF, gate, insert/ducker, 4-band PEQ, compressor and delay on all Inputs
  • Insert, 1/3 octave GEQ, 4-band PEQ, compressor and delay on all Mix outputs
  • Built-in Signal Generator
  • RTA with Peak Band indication
  • 19ƒ?? Rack Mountable with optional rack ears
  • Specifications: Inputs:
  • Mic/Line Inputs:
    • Balanced, XLR and 1/4" TRS jacks, fully recallable
    • Input Sensitivity: -60 to +5 dBu / -50 to +15 dBu (XLR / TRS)
    • Analog Gain: -5 to +60 dB, 1 dB steps
    • Maximum Input Level: +19 / +29 dBu
    • Input Impedance: >5 kOhms (XLR), >10 kOhms (TRS)
    • THD+N, Unity Gain 0 dB: 0.0005%, -89 dBu (20 Hz to 20 kHz, direct out @ 0 dBu, 1 kHz)
    • THD+N, Mid Gain +30 dB: 0.001%, -83 dBu (20 Hz to 20 kHz, direct out @ 0 dBu, 1 kHz)
  • Stereo Line Inputs:
    • ST1 Connector: Balanced, 1/4" (6.3 mm) TRS jacks, half-normalled
    • Input Sensitivity (ST1): +4 /0 dBu, nominal
    • Trim: ?ø?ñ24 dB
    • Maximum Input Level (ST1): +22 /+18 dBu
    • Input Impedance: >7 kOhms
    Outputs:
  • Line Outputs:
    • Mix 1 to 10 & LR Out: Balanced XLR
    • Output Impedance: <75 Ohms
    • Nominal Output: +4 dBu = 0 dB meter reading
    • Maximum Output Level: +22 dBu
    • Residual Output Noise: -90 dBu (muted, 20 Hz to 20 kHz)
  • Stereo Output:
  • MTX 1-2: Balanced 1/4" (6.3 mm) TRS jacks
  • Source (Alt Output/2 Trk Output): Patchable/LR post fade
  • Output Impedance: <75 Ohms
  • Nominal Output: +4 dBu = 0 dB meter reading
  • Maximum Output Level: +22 dBu
  • Residual Output Noise: -90 dBu (muted, 20 Hz to 20 kHz)
  • dSNAKE:
  • Inputs: Remote source for CH1-32, ST1, ST2, ST3
  • Outputs:
    • Patchable from Mix 1-10, LR, Grp 1-8, MTX 1-4
    • Compatible with AudioRacks AR2412, AR84, AB168
    • Compatible with ME personal mixing system
    System:
  • Dynamic Range: 112 dB
  • Frequency Response: 20 Hz to 20 kHz (+0/-0.5 dB)
  • Headroom: +18 dB
  • Operating Level: Internal Operating Level: 0 dBu
  • Alignment: dBFS: +18 dBu = 0 dBFS (+22 dBu @ XLR output)
  • Calibration: Meter Calibration: 0 dB meter = -18 dBFS (+4 dBu @ XLR output)
  • Indicators:
    • Meter Peak Indication: -3 dBFS (+19 dBu @ XLR out), multi-point sensing
    • Meter Signal Indication: -48 dBFS (-26 dBu @ XLR out)
    • Meter Type: Fast (peak) response
  • Sampling Rate: 48 kHz ?ø?ñ100 PPM
  • Converters: 24-bit Delta-Sigma
  • Latency:
    • 1.2 ms (local XLR in to XLR out)
    • 0.7 ms (local XLR in to AES out)
  • Operating Temperature: 32 to 95?ø??F (0 to 35?ø??C)
  • Power: Mains Power: 100-240 VAC, 50/60 Hz, 150 W maximum
  • USB:
  • USB Audio:
    • Qu-Drive: USB A
    • Device: Use a USB hard drive (not a USB key)
    • Stereo Record: 2-channel, WAV, 48 kHz, 24-bit, patchable
    • Stereo Playback: 2-channel, WAV, 44.1 or 48 kHz, 16- or 24-bit, to ST1
    • Multitrack Record: 18-channel, WAV, 48 kHz, 24-bit, patchable
    • Multitrack Playback: 18-channel, WAV, 48 kHz, 24-bit
    • USB Audio Streaming: USB B, Core Audio compliant
    • Send (upstream): 32-channel, WAV, 48 kHz, 24-bit
    • Return (downstream): 32-channel, WAV, 48 kHz, 24-bit
    Controls:
  • Softkeys: 10
  • Groups:
    • Mute Groups: 4
    • DCA Groups: 4
  • Network: TCP/IP Ethernet for MIDI commands and iPad app
  • Input Processing:
  • Source:
    • Channels 1 to 32: Local, dSNAKE, or USB
    • ST1, ST2: Local, dSNAKE, or USB
    • ST3: Local, dSNAKE, or USB Stereo
    • USB Global Source: Qu-Drive or USB B Streaming
  • Stereo Linking:
    • Stereo Linking: Odd/even input pairs
    • Parameters Linked: EQ, dynamics, insert, delay, assignments, sends
    • Link Options: Preamp, polarity, sidechains, fader, mute, pan
  • Polarity: Normal & reverse
  • HPF: 12 dB/octave, 20 Hz to 20 kHz
  • Insert: Assign FX1-4 into input channels
  • Delay: Up to 85 ms
  • Gate:
    • Self-key sidechain
    • Threshold: -72 to +18 dBu
    • Depth: 0 to 60 dB
    • Attack: 50 ?ø??s to 300 ms
    • Hold: 10 ms to 5 s
    • Release: 10 ms to 1 s
  • Equalizer:
    • 4-band fully parametric, 20 Hz to 20 kHz, +/-15 dB
    • Band 1: Selectable LF shelving (Baxandall), bell
    • Band 2 & 3: Bell
    • Band 4: Selectable HF shelving (Baxandall), bell
    • Bell Width: Non-constant Q, variable, 1.5 to 1/9 octave
  • Compressor:
    • Self-key sidechain
    • Threshold: -46 to 18 dBu
    • Ratio: 1:1 to infinity
    • Attack: 300 ?ø??s to 300 ms
    • Release: 100 ms to 2 s
    • Knee: Soft or Hard
    • Types: Peak manual, RMS manual, SlowOpto, PunchBag
    Mix Processing:
  • USB Output:
    • Channel Direct Out to USB: Follow fader, follow mute (global options)
    • Source Select (Global): Post-preamp, pre-EQ, post-EQ, post-delay
  • Insert: Assign FX into Mix channels
  • Delay: Up to 170 ms
  • Equalizer:
    • Graphic EQ: Constant 1/3 octave, 28 bands from 31 Hz to 16 kHz, +/-12 dB
    • Parametric EQ: 4-band fully parametric, 20 Hz to 20 kHz, +/- 15 dB
    • Band 1: Selectable LF shelving (Baxandall), bell
    • Band 2 & 3: Bell
    • Band 4: Selectable HF shelving (Baxandall), bell
    • Bell Width: Non-constant Q, variable, 1.5 to 1/9 octave
  • Compressor:
    • Self-key sidechain
    • Threshold: -46 to 18 dBu
    • Ratio: 1:1 to infinity
    • Attack: 300 ?ø??s to 300 ms
    • Release: 100 ms to 2 s
    • Knee: Soft or Hard
    • Types: Peak manual, RMS manual, SlowOpto, PunchBag
  • Effects:
    • Internal FX: 4x RackFX engines, Send>Return or Inserted
    • Types: Reverbs, delays, gated reverbs, ADT, chorus, symphonic chorus, phaser, flanger
    • 4x Dedicated Stereo FX Returns: Fader, pan, mute, routing to Mix/LR, 4-band PEQ
    Audio Tools:
  • PAFL:
    • PFL or stereo in-place AFL
    • 0 to -24 dB trim
    • 85 ms delay
  • Talkback:
    • Assignable to any mix
    • 12 dB/octave HPF
  • Signal Generator:
    • Assignable to any mix
    • Sine, white, pink, bandpass noise
  • RTA:
    • 31-bands, 1/3 octave 20 Hz to 20 kHz
    • Follows PAFL source
    General:
  • Dimensions (WxDxH): Desk mounted: 17.1 x 6.9 x 6.3" / 435.5 x 174.5 x 161.0 mm
  • Rack mounted: 19.0 x 5.3 x 7.0" / 483.0 x 135.4 x 177.0 mm, 4U
  • Weight: 12.7 lb / 5.8 kg


  • Model: QUSB
    Manufacturer: Allen & Heath
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