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Allen & Heath Qu-24 30-In/24-Out Digital Mixer

Allen & Heath QU-24 Specs

Mixer
Number of Analog Input Channels 24
Mix Routing 4 x Stereo FX Return
Groups 4 x Mute Group
Display 5″ Touchscreen
Display Resolution/Color Main Display:
800 x 480
Faders 3.9″ / 100 mm Motorized
Meter Range -48 to -3 dBFS Peak/Clip (+19 dBu at XLR Output)
Meter Calibration 0 dB on Meter = -18 dBFS (+4 dBu at XLR Output)
Signal Processing
Gain/Trim Range Line:
±24 dB (Stereo Channels)
Mic/Line:
-10 dB to +60 dB (in 1 dB Steps)
Input Polarity Normal/Reverse
Gate Parameters Threshold: -72 to +18 dBu
Depth: 0 to 60 dB
Attack: 50 μs to 300 ms
Hold: 10 ms to 5 sec
Release: 10 ms to 1 sec
Compressor Parameters Threshold: -46 to 18 dBu
Ratio: 1:1 to ∞:1
Attack: 300 μs to 300 ms
Release: 100 ms to 1 sec
Knee: Soft / Hard
EQ FX Returns:
4-Band Parametric
EQ Parameters 1 x HF Shelf:
±15 dB at 20 Hz to 20 kHz (Shelf or Bell Selectable)
2 x MF Notch/Peak:
±15 dB at 20 Hz to 20 kHz
1 x LF Shelf:
±15 dB at 20 Hz to 20 kHz (Shelf or Bell Selectable)
Graphic EQ 28-Band 1/3 Octave, ±12 dB 31 Hz to 16 kHz
Filters High-Pass: 20 Hz to 20 kHz, 12 dB/Octave
Channel Output/Source Monitoring AFL, PFL, Post-Preamp, Post-EQ, Post-FX
Built-In Effects Reverb
Delay
Reverb (Gated)
ADT
Chorus
Phaser
Flanger
Real Time Analyzer 31-Band 1/3 Octave, 20 Hz to 20 kHz
Audio Delay Adjustable Up to 170 ms
Digital Audio
Sample Rates 48 kHz
AES3 Output:
48 kHz
Bit Depth AD/DA Conversion:
24-Bit Delta Sigma
Latency 1.2 ms (Mic Input to XLR Output)
0.7 ms (Mic Input to AES Output)
Performance
dBFS Reference Level +18 dBu = 0 dBFS
Headroom +18 dB
Frequency Response 20 Hz to 20 kHz +0/-0.5 dB
Max Input Level Mic Input:
+19 dBu
Line Input:
+29 dBu
Aux Input:
+22 dBu (+4 dBu)
+18 dBu (0 dBu)
Output Level Line Output:
+22 dBu (Max)
+4 dBu (Nominal)
Stereo Output:
+22 dBu (Max)
+4 dBu (Nominal)
Analog Dynamic Range 112 dB
I/O Impedance 1/4″ Stereo Output:
< 75 Ohms
AES3 Output:
110 Ohms
Aux Input:
> 7 Kilohms
XLR Line Output:
< 75 Ohms
XLR Mic/Line Input:
> 5 Kilohms
1/4″ Mic/Line Input:
> 10 Kilohms
Noise Floor -90 dBu (with Inputs Muted)
-91 dBu (with Inputs Muted)
THD+N Mic/Line Input:
0.0005% at Unity Gain
0.001% at +30 dB Gain
Signal Generator Sine, White, Pink, or Band-Pass Noise (Assignable to Any Mix)
Connectivity
Analog Inputs 1 x XLR Talkback Input
24 x XLR Balanced Mic Input
24 x 1/4″ TRS Balanced Line Input
4 x 1/4″ TRS Balanced Aux Input (2 Stereo Pairs, Half-Normalled)
1 x 1/8″ / 3.5 mm Unbalanced Aux Input
Analog Outputs 10 x XLR Balanced Mix Output
2 x XLR Balanced Main Output
4 x XLR Balanced Subgroup Output
4 x XLR Balanced Matrix Output
4 x 1/4″ TRS Balanced Aux Output (2 Stereo Pairs)
Digital I/O 1 x RJ45 (Network)
1 x XLR AES3 Output
1 x etherCON dSNAKE (I/O)
Power
AC Input Power 100 to 240 VAC, 50 / 60 Hz
Power Consumption 120 W (Maximum)
Physical
Operating Temperature 32 to 95°F / 0 to 35°C
Dimensions 24.9 x 19.7 x 7.4″ / 632 x 500 x 186 mm
Weight 31 lb / 14 kg
Packaging Info
Package Weight 39.5 lb
Box Dimensions (LxWxH) 30.75 x 26.5 x 13.75″
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THE MIXER THAT CHANGED THE RULES

30 in / 24 out Digital Mixer with remote wireless control

Our best-selling digital mixer combines exceptional functionality with innovative design to deliver a professional mixing experience with class-leading sound quality.

Whether you’re making the move from analogue or updating your digital desk, mixing live or in the studio, it’s time to experience Qu.

MAKES MIXING FEEL NATURAL

Massive processing power and advanced functionality counts for nothing if you can’t access the controls you need in a heartbeat.

Qu-24 has a fader per mono input channel and fewer fader layers for simpler, quicker workflow. Because every mic input is presented on its own fader for fast, easy control, this makes Qu-24 the perfect mixer for first-time converts from analogue to digital and those not comfortable working with several layers of faders.

The True Colour Touchscreen and its dedicated rotary encoder form the heart of Qu-24’s interface, providing super-fast access to all settings and parameters. Dedicated keys and screen tabs quickly guide you to meter and RTA views, FX racks, channel processing, USB audio control, scenes, setup menus and much more.

Complementing the touchscreen is the SuperStrip – a set of single-function physical controls for instant access to gain, HPF, 4 band PEQ, gate, compressor, GEQ and pan.

Coming from analogue? Qu will make you feel at home.

Qu-Drive: Record without a computer


Qu has an integrated multitrack USB recorder, providing 18 channels of 48kHz, 24bit recording and playback straight to / from your USB key or hard drive.

Capturing multitrack recordings of your shows has never been so easy. A selectable stereo pair can be recorded alongside the 16 Mono channels, and multitrack audio can be played back to the 16 Mono inputs plus ST1.

On top of this, Qu-Drive also provides stereo recording patchable from any pair of Mix outputs, the Main LR (pre, post, or summed to mono) or even the PAFL bus, with 2- track stereo playback to ST3.

AMM: Automatic Mic Mixer


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 minimising the risk of feedback, the Automatic Microphone Mixer helps the engineer to manage the levels of multiple mic inputs, ensuring that each speaker’s contribution is heard clearly.

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.

FEATURE SUMMARY

  • 24 Mono Mic/Line Inputs (TRS + XLR)
  • Recallable AnaLOGIQTM Preamps
  • 3 Stereo Inputs (TRS)
  • 20 Mix Outputs (XLR)
  • 2 Stereo Groups (switchable to Mix mode)
  • Up to 9 Monitor Mixes (4 mono + 5 stereo)
  • 2 Stereo Matrix Outs
  • 4 FX Engines
  • 4 dedicated FX Sends / Returns
  • 4 Mute Groups
  • 4 DCA Groups
  • AES Digital Out
  • 32×30 USB Audio Interface
  • dSNAKETM Remote Audio Port
  • 25 Motor Faders
  • 800×480 Touchscreen
  • 10 Soft Keys
  • 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
  • RackFX Library
  • Built-in Signal Generator
  • RTA with Peak Band indication
  • Spectrogram to aid feedback elimination and room acoustics
  • Qu-Drive Direct Multitrack Recording / Playback on USB drives
  • DAW MIDI Control
  • Qu-Pad iPad App
  • Qu-You iPhone / Android personal monitoring app
  • Qu-Control customisable iOS app for simple wireless control
  • Compatible with ME Personal Mixing System

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