Specifications

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Allen & Heath Limited
Kernick Industrial Estate
Penryn, Cornwall,
TR10 9LU, UK
www.allen-heath.com

Technical Datasheet
Overview
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38 In / 28 Out Digital Mixer
7” colour touchscreen’
32 Mono Inputs (TRS + XLR)
33 Motor Faders
3 Stereo Inputs (TRS)
4 stereo FX with dedicated Sends and Returns
24 Mix Outputs (XLR)
4 Stereo Groups
2 Stereo Matrix Outs
10 SoftKeys
Extra stereo outputs – AES digital, Alt Out, 2TRK out
Talkback mic input
dSNAKE Cat5 snake for remote audio using AR2412, AR84
or AB168
4 Mute Groups
4 DCA Groups
AnaLOGIQ™ total recall analogue preamps
Effects ported from the flagship iLive console
Dedicated stereo FX return channels
Master strip for quick access to mix levels and processing
Input channel linking for stereo sources
Input processing – Preamp, HPF, Gate, PEQ, Compressor,
Delay

Qu-32 Technical Datasheet

1

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Output processing – PEQ, Graphic EQ, Compressor, Delay
7” (800x480 pixel) colour touch screen for quick control
Motorised faders for sends on faders, GEQ fader flip and mix
recall
Quick copy and reset of processing, mixes and scenes
100 Scene memories
Channel Safes, Global and per Scene Recall Filters
FX, processing and channel User Libraries
Qu-Drive for stereo and 18-track recording/playback to USB
hard drive
USB streaming to/from an Apple® Mac or Windows™ PC
computer
MIDI DAW Control driver for Mac (converts to HUI or Mackie
Control)
USB transfer of Scenes, Libraries, Shows
User assignable Custom Layer
Qu-Pad engineer’s mixing wireless remote app for iPad
Qu-You personal monitoring app for iPhone, iPad, iPod
Touch
Compatible with the Allen & Heath ME personal mixing
system
User Permissions to restrict operator access
Optimised fan-less airflow design for silent operation

Allen & Heath Ltd

Dimensions

A&E Specifications

Qu-32 Architects and Engineers Specification

Each fader strip shall have a dedicated PAFL, Mix, Select,
and Mute button with indicators, a 3-LED multi-point meter,
and coloured LED indicating fader assignment.

The mixer shall be a desktop digital mixer with 32 mono and
3 stereo input channels mixing to 24 mix outputs.

Ability to assign channel on/off status to the current mix
using the channel ‘Mix’ keys shall be provided.

There shall be 4 stereo rack FX engines, 4 DCA groups and
4 Mute groups.

All processing, Pre/Post fade routing and assignments of
signals to mix send, FX send and Audio, DCA and Mute
Groups shall be accessed and adjusted via a 7-inch colour
touchscreen provided on the mixing surface.

The surface shall include 33 moving faders with 3 layers,
each layer having dedicated keys and indicators, giving
access to input channels, output channel mixes, FX sends,
FX returns, Main mix, DCA masters, and a customisable
layer giving access to MIDI control as well as user-defined
overview of channels.

Qu-32 Technical Datasheet

The name and number of the current selected channel or mix
shall be identified on screen when in the processing or
routing pages.

2

Allen & Heath Ltd

Send levels to mixes shall be displayed and adjusted using
the faders.

The mixer shall provide a Fast Ethernet (100 Mbit/s) port for
Cat5 cable connection to a computer for MIDI over TCP/IP
control of mixer parameters via a wireless router (access
point) for live mixing control.

All output mix channels shall contain the following
processing: External input, Trim, Polarity, Insert, Parametric
EQ, and Graphic EQ with RTA and fader-flip mode,
Compressor, Delay.

The mixing system shall include application software for
Apple iOS touchscreen devices connected via a wireless
network router to the LAN port and allow control of functions
including the preamp gain, pad, and phantom power.

All signal delays in the system shall be adjustable in
Milliseconds.

The application shall have a graphical representation of
physical controls and indicators present on the surface
including signal processing parameters and shall provide
control of output channel processing including Parametric
EQ, Graphic Eq, Compressor and Delay. Routing
assignments and level adjustments of input signals to all
mixes and bus shall be provided. The application software
shall provide signal metering and processing threshold
indication when online including the Real Time Analyser.

10 user-assignable soft keys shall be provided for quick
access to Mute Groups, DCA Mutes, Tap Tempo and Scene
Recall. There shall also be dedicated keys for quick
Copy/Paste/Reset of mixes and processing parameters.
A Channel Ducker shall be provided to reduce the level of
selected channels when a designated channel is in use. This
channel priority shall be available across all mono and stereo
input channels and also channel groups.

There shall be a local “dSNAKE” Ethernet audio expansion
port with locking Ethercon connector, providing up to 38 input
signals and 20 output signals, plus 40 personal mixing sends
to be connected over a single cable ‘digital snake’ and
allowing Remote Preamp control to an Allen & Heath
AudioRack, or Allen & Heath ME Personal Mixing Systems.

4 user-assignable effect racks shall be provided with a library
of factory preset FX emulations. The FX racks shall be
individually configurable as send/return from a channel or
FX/Mix, or inserted into input or output channels.
A global source option for the direct out of each input
channel shall be provided in the routing screen. The tap-off
point shall be adjusted to the following positions in the
processing path: post Preamp, post HPF, post Gate, post
Insert return, post PEQ, post Compressor, and post Delay.
There shall be further global options for Follow Fader, and
Follow Mute.

Input and output channel processing and parameters in the
mixer shall be saved on demand as a user library item for
recall in other channels. Individual processing sections shall
be save-able on demand as user library items for that type.
All library items shall be stored on board and archived with
the show-file. Library items shall be transferrable to USB
drive as portable data to be used in other systems.

Direct outputs shall be assignable via the mixer soft patch
bay to any physical output socket interface channel or ME
channel.

The mixer shall provide the facility to save 100 scenes of the
settings of the mixing system and these scenes shall be
nameable.

A signal generator shall be provided with the ability to send a
variable level signal to any output mix with visual assignment
status on-screen. The following types of signals shall be
available: Sine, White Noise, Pink Noise, and Band-Pass.

A comprehensive table of Scene Safes shall be provided to
prevent selected items from being changed from their state
when the safe was enabled. A comprehensive scene filter
shall be provided per scene to Allow / Block each parameter
saved in a scene from being changed as that scene is
recalled.

Comprehensive input, output, and FX channel and RTA
metering shall be provided on-screen.
A default Mains to PAFL sub-mix shall be provided.
12-LED bar meters on the surface shall indicate the 3 Main
mix buss levels, the PAFL signal shall override the LR
meters accompanied by a PAFL-active indicator.

An option shall be provided for password protection for log-in
of several users with different levels of system access and
permissions. A particular scene may be chosen to be
recalled per change of user-login if desired.

A Talkback facility shall be provided with the ability to send to
any output mix with on screen status indication. An option to
enable talkback latching and HPF shall be provided.

The mixing system shall periodically record all current
settings and return the mixer to that state after reboot
following a power-cycle.

A quarter-inch jack socket for PAFL headphones output shall
be provided, with an analogue output level control.
The mixer shall include stereo and 18-track
recording/playback to optional USB hard drives. The format
shall be 48 kHz/ 16 bit WAV.

The mixing control surface shall have a built in power supply
accepting AC mains voltages of 100~240V, 50/60 Hz, 95W
max via an earthed 3-pin IEC male connector mounted on
the rear chassis. A Two Pole Push-Button switch shall be
provided near the mains input.

The mixer shall play back stereo WAV files at 44.1 or 48 kHz
and shall have a USB Type-A connector on the surface for
recording, playback, data-transfer, archiving, and firmware
updates to USB drive.

The mixer shall have an optimised fan-less airflow design for
silent operation.

On the rear panel there shall be a Type-B USB connection
following the high-speed USB 2.0 standard for multi-channel,
bi-directional audio streaming of 32 out / 32 in and MIDI
DAW control between the mixer and a computer.

The mixer shall be the Allen&Heath Qu-32 Digital Mixer.

Recommended operating temperature for the mixer shall be 5
to 35 degrees Celsius.

A DAW transport control using popular DAW control
protocols for computer shall be available via the touchscreen.

Qu-32 Technical Datasheet

3

Allen & Heath Ltd

Block Diagram

Qu-32 Technical Datasheet

4

Allen & Heath Ltd

Mixer Specifications

Inputs
Mic/Line Inputs
Input Sensitivity (XLR / TRS)
Analogue Gain
Maximum Input Level (XLR /
TRS)
Input Impedance (XLR / TRS)
THD+N, Unity gain 0dB
THD+N, Mid gain +30dB
Stereo Line Inputs
ST1, ST2 connector
ST3 connector
Input Sensitivity (ST1, ST2 /
ST3)
Trim
Maximum Input Level
(ST1,ST2 / ST3)
Input Impedance

Control
Balanced, XLR and 1/4" TRS jack, fully
recallable
-60 to +5dBu / -50 to +15dBu
-5 to +60dB, 1dB steps

Faders
Touch Screen
SoftKeys

100mm motorised
7" TFT, 800x480 resolution
10

Mute Groups
DCA Groups
Network

4
4
TCP/IP Ethernet for MIDI and iPad app

Balanced, 1/4" TRS jack, half normalled
Unbalanced, stereo 3.5mm Mini Jack

Input Processing
Source
CH1-32

Local, dSNAKE, or USB

Nominal +4dBu / 0dBu
+/-24dB

ST1, ST2
ST3

Local, dSNAKE, or USB
Local, dSNAKE, or USB Stereo

+22dBu / +18dBu
>7kΩ

USB Global Source

Qu-Drive or USB B Streaming

Stereo Linking

Link options

Odd/even input pairs
EQ, dynamics, insert, delay,
assignments, sends
Preamp, polarity, sidechains,
fader/mute, pan

Polarity
High Pass Filter
Insert
Delay

Normal/Reverse
12dB/octave 20Hz – 2kHz
Assign FX1-4 into Input channels
Up to 85ms

Gate
Threshold / Depth

Self-key Sidechain
-72dBu to +18dBu / 0 to 60dB
50us to 300ms / 10ms to 5s / 10ms to 1s

+19dBu / +29dBu
>5kΩ / >10 kΩ
0.0005% -89 dBu
(20-20kHz, Direct Out @0dBu 1kHz)
0.001% -83dBu
(20-20kHz, Direct Out @0dBu 1kHz)

Outputs

Parameters linked

Mix1-10 and LR Out

Balanced, XLR

Group and Matrix Out
Output Impedance
Nominal Output
Maximum Output Level
Residual Output Noise

<75Ω
+4dBu = 0dB meter reading
+22dBu
-90 dBu (muted, 20-20kHz)

Stereo Alt Out & 2Trk Out
Source (Alt Output / 2Trk
Output)
Output Impedance

Balanced, 1/4" TRS jack
Patchable / LR post-fade
<75Ω

Attack / Hold / Release

Nominal Output
Maximum Output Level
Residual Output Noise

+4dBu = 0dB meter reading
+22dBu
-90 dBu (muted, 20-20kHz)

PEQ
Band 1
Band 2, Band 3
Band 4

AES Digital Output

2 channel, 48kHz sampling rate, XLR
2.5Vpp balanced terminated 110Ω

Bell Width

4-Band fully parametric, 20-20kHz, +/15dB
Selectable LF Shelving (Baxandall), Bell
Bell
Selectable HF Shelving (Baxandall), Bell
Non-constant Q, variable, 1.5 to 1/9th
octave

Compressor

Self-key Sidechain

Threshold / Ratio

-46dBu to 18dBu / 1:1 to infinity

Attack / Release

300us – 300ms / 100ms - 2s

Knee

Soft/Hard
Peak Manual, RMS Manual, SlowOpto,
PunchBag

dSNAKE
Inputs
Outputs

Remote source for CH1-32, ST1, ST2,
ST3
Patchable from Mix1-10, LR, Grp1-8,
MTX1-4
Compatible with AudioRacks AR2412,
AR84, AB168
Compatible with ME personal mixing
system

Types

System
Dynamic Range

Measured balanced XLR in to XLR out,
0dB gain, 0dBu input
112 dB

Frequency Response

+0/-0.5dB 20Hz to 20kHz

Headroom
Internal operating Level

+18dB
0dBu
+18dBu = 0dBFS (+22dBu at XLR
output)
0dB meter = -18dBFS (+4dBu at XLR
out)
-3dBFS (+19dBu at XLR out), multi-point
sensing

dBFS Alignment
Meter Calibration
Meter Peak indication

Qu-32 Technical Datasheet

Mix Processing
Channel Direct Out to
USB

5

Source select (global)

Follow Fader, follow Mute (global
options)
Post-Preamp, Pre-EQ, Post-EQ, PostDelay

Insert

Assign FX into Mix channels

Delay

Up to 170ms

Allen & Heath Ltd

Meter Signal indication
Meter Type

Sampling Rate
ADC, DAC
Latency

Operating Temperature Range
Mains Power
Maximum Power Consumption

USB Audio
Qu-Drive

48kHz +/-100PPM
24-bit Delta-Sigma
1.2 ms (local XLR in to XLR out)

PEQ
Band 1
Band 2, Band 3
Band 4

0.7 ms (local XLR in to AES out)

Bell Width

0 deg C to 35 deg C (32 deg F to 95
deg F)
100-240V AC, 50/60Hz
150W

Multitrack Record
Multitrack Playback
USB Audio Streaming

USB B, Core Audio compliant

Send (upstream)

32 channel, WAV, 48kHz, 24-bit

Return (downstream)

32 channel, WAV, 48kHz, 24-bit

Stereo Playback

Compressor
Threshold / Ratio
Attack / Release
Knee
Types

USB A
2 channel, WAV, 48kHz, 24-bit,
patchable
2 channel, WAV, 44.1 or 48kHz, 16 or
24-bit, to ST3
18 channel, WAV, 48kHz, 24-bit,
patchable
18 channel, WAV, 48kHz, 24-bit

Stereo Record

GEQ

-48dBFS (-26dBu at XLR out)
Fast (peak) response

Packed in shipping box
Unpacked weight
Packed weight

Qu-32 Technical Datasheet

4-Band fully parametric, 20-20kHz, +/15dB
Selectable LF Shelving (Baxandall), Bell
Bell
Selectable HF Shelving (Baxandall), Bell
Non-constant Q, variable, 1.5 to 1/9th
octave

Self-key Sidechain
-46dBu to 18dBu / 1:1 to infinity
300us – 300ms / 100ms - 2s
Soft/Hard
Peak Manual, RMS Manual, SlowOpto,
PunchBag

FX
Internal FX
Audio Tools
Types

4 dedicated Stereo FX
returns

Dimensions & Weights

Desk mounted

Constant 1/3 oct, 28 bands 31Hz-16kHz,
+/-12dB Gain

PAFL
Talkback

Width x Depth x Height
850 x 500 x 186 mm (33.5"" x 19.7" x
7.4")
1000 x 680 x 350 mm (39.4" x 26.8" x
13.8")
20 kg (44 lbs)
24 kg (53 lbs)

Signal Generator
RTA

6

4x RackFX engine, Send>Return or
Inserted

Reverbs, Delays, Gated Reverb, ADT
Chorus, Symphonic Chorus, Phaser,
Flanger
Fader, Pan, Mute, Routing to Mix/LR, 4Band PEQ

PFL or stereo in-place AFL, 0 to -24dB
Trim, 85ms Delay
Assignable to any mix, 12dB/oct HPF
Assignable to any mix, Sine /
White/Pink/Band-pass Noise
31-Bands 1/3 octave 20-20kHz, follows
PAFL source

Allen & Heath Ltd



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