Description

Allen & Heath QU-24 Chrome Edition Digital Mixer

24 Mono Mic/Line Inputs (TRS XLR)
Recallable AnaLOGIQ^TM 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
dSNAKE^TM 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
Channel Ducker on all inputs
iLive FX Library
Built-in Signal Generator
RTA with Peak Band indication
Spectrogram to aid feedback elimination and room acoustics
Automatic Mic Mixer
Qu-Drive Direct Multitrack Recording / Playback on USB drives
DAW MIDI Control
Qu-Pad iPad App
Qu-You iPhone / Android personal monitoring app
Compatible with ME Personal Mixing System
High contrast metallic finish controls, matching premium GLD Chrome series

Item# ALHQU24

Allen & Heath QU-24 Specs

Inputs
Mic/Line Inputs	24x Balanced combo XLR/TRS jacks, fully recallable Input Sensitivity: -60 to +10 dBu (XLR), -50 to +20 dBu (TRS) Analog Gain: -10 to +60 dB, 1 dB steps Maximum Input Level: +19 dBu (XLR), +29 dBu (TRS) 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%, -83dBu 20 Hz to 20 kHz, direct out @ 0 dBu, 1 kHz)
Stereo Line Inputs	ST1, ST2 Connector: Balanced, 1/4″ (6.3 mm) TRS Jack, half-normalled ST3 Connector: Unbalanced 1/8″ (3.5 mm) mini jack Input Sensitivity (ST1, ST2, ST3): +4 dBu/0 dBu, nominal Trim: +/-24 dB Maximum Input Level (ST1, ST2, ST3): +22 dBu/+18 dBu Input Impedance: >7 kOhms

Mic/Line Inputs

24x Balanced combo XLR/TRS jacks, fully recallable
Input Sensitivity: -60 to +10 dBu (XLR), -50 to +20 dBu (TRS)
Analog Gain: -10 to +60 dB, 1 dB steps
Maximum Input Level: +19 dBu (XLR), +29 dBu (TRS)
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%, -83dBu 20 Hz to 20 kHz, direct out @ 0 dBu, 1 kHz)

Stereo Line Inputs

ST1, ST2 Connector: Balanced, 1/4″ (6.3 mm) TRS Jack, half-normalled
ST3 Connector: Unbalanced 1/8″ (3.5 mm) mini jack
Input Sensitivity (ST1, ST2, ST3): +4 dBu/0 dBu, nominal
Trim: +/-24 dB
Maximum Input Level (ST1, ST2, ST3): +22 dBu/+18 dBu
Input Impedance: >7 kOhms

Outputs
Line Outputs	Mix 1 to 10, GRP 1 to 4, MTX 1 to 4, 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 C31 dBu (muted, 20 Hz to 20 kHz)
Stereo Output	Alt Output & 2 Trk Output: 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: -91 dBu (muted, 20 Hz to 20 kHz)
AES Digital Audio Outputs	2-channel 48 kHz sampling rate XLR Out 2.5 Vpp balanced terminated 110 Ohms

dSNAKE
Inputs	Remote source for Channels 1 to 24, ST1, ST2, ST3
Outputs	Remote outputs for Mix 1 to 10, LR Compatible with AudioRacks AR2412, AR84 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 +/-100 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°F (0° to 35°C)
Power	Mains Power: 100-240 V AC, 50/60 Hz, 120 W maximum

Controls
Faders	4″ (100 mm), motorized
Touchscreen	5″ TFT, 800 x 480 resolution
Softkeys	10
Mute Groups	4
Network	TCP/IP Ethernet for MIDI commands and iPad app

Input Processing
Source	Channels 1 to 24: Local, dSNAKE, or USB ST1, ST2, ST3: Local, dSNAKE, or USB
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 FX to input channels
Delay	Up to 85 ms
Gate	Self-key sidechain Threshold: -72 dBu to +18 dBu/ Depth: 0 to 60 dB Attack: 50 μs 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 μs to 300 ms Release: 100 ms to 1 s Knee: Soft or Hard Types: Peak manual, RMS manual, SlowOpto, PunchBag
Output	Channel Direct Out to USB: Follow fader, follow mute (global options) Source Select (Global): Post-preamp, pre-EQ, post-EQ, post-delay

Mix Processing
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, +/-15 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 μs to 300 ms Release: 100 ms to 1 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, 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: 24.9 x 19.7 x 7.4″ (632 x 500 x 186 mm)
Weight	31 lb (14 g)

Packaging Info
Package Weight	43.4 lb
Box Dimensions (LxWxH)	30.75 x 26.5 x 13.75″

Additional information

Weight	1 lbs
Dimensions	10 × 10 × 30 in

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