Allen & Heath QU-16, Qu-sb, Qu-pac, QU-24, QU-32 User Manual
Qu Series Reference Guide
For Firmware Version V1.9
Before starting please check www.allen-heath.com for the latest Qu
mixer firmware and documentation.
Publication AP9372
Limited One Year Manufacturer’s Warranty
Allen & Heath warrants the Allen &Heath -branded hardware product and accessories contained in the
original packaging ("Allen & Heath Product”) against defects in materials and workmanship when used
in accordance with Allen & Heath's user manuals, technical specifications and other Allen & Heath
product published guidelines for a period of ONE (1) YEAR from the date of original purchase by the
end-user purchaser ("Warranty Period").
This warranty does not apply to any non-Allen & Heath branded hardware products or any software,
even if packaged or sold with Allen & Heath hardware.
Please refer to the licensing agreement accompanying the software for details of your rights with
respect to the use of software/firmware (“EULA”).
Details of the EULA, warranty policy and other useful information can be found on the Allen & Heath
website: www.allen-heath.com/legal.
Repair or replacement under the terms of the warranty does not provide right to extension or renewal
of the warranty period. Repair or direct replacement of the product under the terms of this warranty
may be fulfilled with functionally equivalent service exchange units.
This warranty is not transferable. This warranty will be the purchaser’s sole and exclusive remedy and
neither Allen & Heath nor its approved service centres shall be liable for any incidental or
consequential damages or breach of any express or implied warranty of this product.
Conditions of Warranty
The equipment has not been subject to misuse either intended or accidental, neglect, or alteration
other than as described in the User Guide or Service Manual, or approved by Allen & Heath. The
warranty does not cover fader wear and tear.
Any necessary adjustment, alteration or repair has been carried out by an authorised Allen & Heath
distributor or agent.
The defective unit is to be returned carriage prepaid to the place of purchase, an authorised Allen &
Heath distributor or agent with proof of purchase. Please discuss this with the distributor or the agent
before shipping. Units returned should be packed in the original carton to avoid transit damage.
DISCLAIMER: Allen & Heath shall not be liable for the loss of any saved/stored data in products that
are either repaired or replaced.
Check with your Allen & Heath distributor or agent for any additional warranty information which may
apply. If further assistance is required please contact Allen & Heath Ltd.
Any changes or modifications to the equipment not approved by Allen & Heath could void the
compliance of the product and therefore the user’s authority to operate it.
ALLEN&HEATH
Qu Mixer Reference Guide 2 AP9372 iss.9
Allen & Heath Limited, Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK
Qu Series products comply with the European Electromagnetic
Compatibility directive 2004/108/EC and the European Low Voltage
directive 2006/95/EC.
Qu Series Reference Guide AP9372 Issue 9
Copyright © 2016 Allen & Heath. All rights reserved
http://www.allen-heath.com
IMPORTANT - Read before starting:
Safety instructions
Before starting, read the Important Safety Instructions printed on the sheet supplied with the
equipment. For your own safety and that of the operator, technical crew and performers, follow
all instructions and heed all warnings printed on the sheet and on the equipment panels.
System operating firmware
The function of the Qu mixer is determined by the firmware (operating software) that runs it.
Firmware is updated regularly as new features are added and improvements made. The
firmware version current when this guide was released is noted in the Contents section.
The latest firmware can be downloaded from the Allen & Heath website, transferred to USB key
and then loaded into the Qu mixer using the Firmware Update utility.
Check the Allen & Heath website for the latest version of Qu firmware.
Software licence agreement
By using this Allen & Heath product and the software within it you agree to be bound by the
terms of the relevant End User Licence Agreement (EULA), a copy of which can be found on
the Allen & Heath website ( www.allen-heath.com/legal ). You agree to be bound by the terms of
the EULA by installing, copying, or using the software.
Further information
Please refer to the Allen & Heath website for further information, knowledgebase and technical
support. You can join our Allen & Heath Digital Community to share knowledge and information
with other Qu users.
General precautions
To prevent damage to the controls and cosmetics, avoid placing heavy objects on the
control surface, obstructing movement of the motorised faders, scratching the surface or
touch screen with sharp objects, or rough handling and vibration.
Protect the equipment from damage through liquid or dust contamination. Avoid dust or
small objects getting into the fader slots. Cover the mixer when it is not being used for a
long period.
Computer and touch screen technology can be affected by extreme cold. If the
equipment has been stored in sub-zero temperatures allow time for it to reach normal
operating temperature before use at the venue. Recommended operating temperature
for Qu is 5 to 35 degrees Celsius.
Avoid using the equipment in extreme heat and direct sunlight. Make sure the mixer
ventilation slots are not obstructed and that there is adequate air movement around the
equipment.
Transport the Qu using a touring grade, purpose designed flightcase with adequate
foam lining and internal support for protection.
Clean the control surface with a soft brush and dry lint-free cloth. Do not use chemicals,
abrasives or solvents.
It is recommended that servicing is carried out only by an authorised Allen & Heath
agent. Contact details for your local distributor can be found on the Allen & Heath
website. Allen & Heath do not accept liability for damage caused by maintenance, repair
or modification by unauthorised personnel.
Qu Mixer Reference Guide 3 AP9372 iss.9
1. Packed contents
Cat5 cables
For use with dSNAKE remote
audio
AH8823 - 2m (6.6’) short patch
AH9651- 20m (66’) coil
AH9981- 50m (165’) drum
AH9650 - 100m (330’) drum
Qu Mixer
Mains lead • Check this
is correct for your territory
Qu-16/24/32 Guide AP10025 or
Qu-Pac Guide AP9815 or
Qu-SB Guide AP10287
REGISTER YOUR PRODUCT online at: www.allen-heath.com/register
Remote Audio Racks
Provides remote audio over dSNAKE Cat5 cable digital snake.
AR2412 - 24 Mic/Line in, 12 Line out AR84 - 8 Mic/Line in, 4 Line out
Part: GLD-AR2412 Part: GLD-AR0804
AB168 - 16 Mic/Line in,
8 Line out Remote
AudioRack.
Part: AB1608
Soft cover
AP9262 - Qu-16
AP9458 - Qu-24
AP9639 - Qu-32
Qu
LEDlamp
Right angled 4-pin
XLR LED lamp with
built-in dimmer
Part: LEDlampX
Safety Sheet
AP9240/CL-1
• Read this before starting
ME Personal Mixing System
ME-1 Personal Mixer
ME-U 10-port PoE hub
19” Rack Ear Kit for Qu-16
To mount the Qu-16 in a standard 19” rack or
flightcase. These fit over the plastic trims.
Part: QU-16-RK19
Polyester carry bag
Qu-16 - AP9931
Qu-Pac - AP9933
Qu-Pad app for iPad
Qu-You app for iOS devices &
Android
Qu-Control app for iOS devices
Available from the Apple Store /
Google Play
Options and Accessories available
Qu Mixer Reference Guide 4 AP9372 iss.9
2. Contents
1. Packed contents .............................................................................................................................. 4
2. Contents .......................................................................................................................................... 5
3. Introduction...................................................................................................................................... 7
3.1 Overview and Features ........................................................................................................... 7
3.2 Qu Chrome Edition ................................................................................................................. 7
3.3 System Architecture and Processing ...................................................................................... 8
3.4 Differences between the Qu models ..................................................................................... 10
4. Connection Overview ..................................................................................................................... 13
4.1 Local Input Connections ....................................................................................................... 13
4.2 Local Output Connections .................................................................................................... 14
4.3 Other Connections ................................................................................................................ 14
4.4 Powering up the mixer .......................................................................................................... 15
5. Connecting dSNAKE Remote Audio .............................................................................................. 16
5.1 Connecting to a remote AudioRack ...................................................................................... 16
5.2 Qu Systems .......................................................................................................................... 18
5.3 The ME Personal Mixing System .......................................................................................... 20
6. Qu-16, 24, 32 Operational Overview .............................................................................................. 21
6.1 Fader Strips........................................................................................................................... 21
6.2 The Master Strip .................................................................................................................... 23
6.3 Working with the sends on faders: ........................................................................................ 24
7. Qu-Pac Operational Overview ....................................................................................................... 25
8. Note on Qu-SB .............................................................................................................................. 27
9. Processing and Mix Functions ....................................................................................................... 27
9.1 Channel Naming ................................................................................................................... 27
9.2 Channel Processing .............................................................................................................. 28
9.3 Working with the Processing: ............................................................................................... 28
9.4 Working with Processing Libraries: ....................................................................................... 28
9.5 Processing Libraries ............................................................................................................. 35
9.6 List of Factory Libraries ......................................................................................................... 36
9.7 Channel Routing ................................................................................................................... 37
9.8 Working with the Routing screens ........................................................................................ 37
9.9 Mix Routing ........................................................................................................................... 40
9.10 Working with the Matrix (Qu-24, Qu-32, Qu-SB, Qu-Pac) ..................................................... 40
9.11 Audio Groups ........................................................................................................................ 41
9.12 Working with the Groups (Qu-24, Qu-32, Qu-SB, Qu-Pac) ................................................... 42
9.13 Mute and DCA Groups .......................................................................................................... 43
9.14 Using Mute Groups ............................................................................................................... 44
9.15 Using DCA Groups ............................................................................................................... 45
10. Touch Screen Mixing Functions .................................................................................................... 46
10.1 Copy, Paste, Reset keys ....................................................................................................... 48
10.2 The Sel screens – Processing and Routing .......................................................................... 49
10.3 Home Screen ........................................................................................................................ 49
10.4 Home Screen – User ............................................................................................................. 50
10.5 Home Screen – Meters ......................................................................................................... 51
10.6 Home Screen – RTA .............................................................................................................. 51
10.7 Home Screen – Qu-Drive (USB audio) .................................................................................. 52
Qu Mixer Reference Guide 5 AP9372 iss.9
10.8 The FX ................................................................................................................................... 55
10.9 Working with FX – Adding vocal reverb: ............................................................................... 57
10.10 Scene Memories ................................................................................................................... 58
11. Touch Screen Setup Functions ..................................................................................................... 61
11.1 Audio Setup - PAFL ............................................................................................................... 61
11.2 Audio Setup - Talkback ......................................................................................................... 62
11.3 Audio Setup –Signal Generator ............................................................................................ 62
11.4 Audio Setup - Automatic Mic Mixer (AMM) ........................................................................... 63
11.5 Working with the AMM .......................................................................................................... 65
11.6 Control Setup – Custom Layer .............................................................................................. 66
11.7 Control Setup - SoftKeys ....................................................................................................... 67
11.8 Control Setup - Network........................................................................................................ 68
11.9 Control Setup - MIDI ............................................................................................................. 68
11.10 Control Setup - Preferences .................................................................................................. 69
11.11 USB Data – Scene Transfer .................................................................................................. 70
11.12 USB Data – Library transfer ................................................................................................... 70
11.13 USB Data – Show transfer ..................................................................................................... 71
11.14 I/O Patch Setup – Surface ..................................................................................................... 72
11.15 I/O Patch – dSNAKE In .......................................................................................................... 72
11.16 I/O Patch Setup – dSNAKE Out ............................................................................................ 73
11.17 I/O Patch Setup - Monitor...................................................................................................... 74
11.18 I/O Patch Setup – USB Audio................................................................................................ 75
11.19 Utility - Calibration ................................................................................................................. 76
11.20 Utility – Qu-Drive ................................................................................................................... 76
11.21 Utility – Firmware Update ...................................................................................................... 77
12. USB Audio Interface and DAW Control .......................................................................................... 78
12.1 Audio streaming .................................................................................................................... 78
12.2 DAW Control ......................................................................................................................... 79
13. Qu-Pac Qu-Control Screen ............................................................................................................ 80
14. iOS Apps for Wireless Control ....................................................................................................... 81
15. Resetting the Mixer ........................................................................................................................ 83
15.1 Reset Mix Settings – A starting point for mixing .................................................................... 83
15.2 System Hard Reset ............................................................................................................... 84
16. Specifications ................................................................................................................................ 85
16.1 Installing Qu-16, Qu-24, Qu-32 ............................................................................................. 85
16.2 Installing Qu-Pac ................................................................................................................... 86
16.3 Installing Qu-SB .................................................................................................................... 87
16.4 Qu-16 System Block Diagram ............................................................................................... 88
16.5 Qu-24 and Qu-32 System Block Diagram ............................................................................. 89
16.6 Qu-Pac System Block Diagram ............................................................................................. 90
16.7 Qu-SB System Block Diagram .............................................................................................. 91
16.8 System Specifications ........................................................................................................... 92
Qu Mixer Reference Guide 6 AP9372 iss.9
3. Introduction
3.1 Overview and Features
Building on the heritage of the GLD and flagship iLive digital consoles, the Qu presents exceptional
performance together with an intuitive analogue style user interface with a motorised fader per channel,
knobs and touch screen, total recall of all settings, full input, output and FX processing, USB streaming
and hard drive multitrack recording, digital snake capability and remote wireless control using an iPad.
There are five models in the Qu Series:
Qu-16 – Compact, rack mountable mixer with 16 mic and 3 stereo line input channels.
Qu-24 – Larger model with 24 mic and 3 stereo inputs. Adds stereo Groups, Matrix and more SoftKeys.
Qu-32 – Largest model with 32 mic and 3 stereo inputs. Adds 2 more stereo Groups.
Qu-Pac – Rack mountable version of the Qu-32 without faders, for iPad and front panel control.
Qu-SB – Rack mountable version of the Qu-32 without faders and front panel controls, for iPad control.
Qu-16 Qu-24 Qu-32, Qu-Pac, Qu-SB
16 Mic/Line channels 24 Mic/Line channels 32 Mic/Line channels
3 stereo channels 3 stereo channels 3 stereo channels
24 sources to the mix 32 sources to the mix 40 sources to the mix
12 mixes (4 mono, 3 stereo, LR) 12 mixes (4m, 3(5)st, LR) 12 mixes (4m, 3(7)st, LR)
4 FX (2 send buses) 4 FX (4 send buses) 4 FX (4 send buses)
24 out, 22 in USB streaming 32 out, 30 in USB 32 out, 32 in USB
2 stereo Groups (mix mode) 4 stereo Groups (mix mode)
2 stereo Matrix 2 stereo Matrix
3.2 Qu Chrome Edition
Qu Chrome Edition introduced a fresh new look for the Qu range with high contrast chrome
rotary and fader knobs that also improve visibility in dark conditions. Qu Chrome coincided
with the release of new firmware V1.8, which introduced several new features and
improvements. Qu hardware and memory files remain fully compatible between editions.
Existing black knob Qu mixers can be updated to latest firmware and can also be upgraded to
Chrome standard by ordering the following kit from Allen & Heath:
004-742JIT KIT QU-16 CHROME CONVERSION
004-743JIT KIT QU-24 CHROME CONVERSION
004-744JIT KIT QU-32 CHROME CONVERSION
Qu Mixer Reference Guide 7 AP9372 iss.9
3.3 System Architecture and Processing
Mic
Line
L/M
R
Mic/Line Inputs
ST1
L/M
R
ST2
ST3
L/R
Mic
Talkback
Line Inputs
1 ------ 24(32)
Qu-Drive
USB B
Stream Stream
30 ch 32 ch
Playback
LR, 18 trk
SIGNAL FLOWQu-24(32)
Local Inputs dSNAKE USB
Record
LR, 18 trk
PREAMP
GAIN
48V
POL0TRIM
Channel SOURCE
ASSIGN
GRP
LR
MIX Sends
PAFL
PRE/POST
SENDS
FX Sends
DIR OUT
Input Channels 1-24, ST1-3
ASSIGN
LR
MIX Sends
PRE/POST
SENDS
FX Sends
MTX Sends
Group 1-2, 3-4, (5-6, 7-8)
dSNAKE
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Mix - Mono 1-4, Stereo 5-6, 7-8, 9-10
GEQ
MTX Sends
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Main LR
GEQ
MTX Sends
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Matrix 1-2, 3-4
GEQ
Outputs
Output PATCHMixInputs Masters
Line Outputs
Grp 1---4(8)
L
R
2Trk
L
R
Alt Out
AES Out
Main LR
MTX 1---4
USB dSNAKE
MUTE
FADER
ASSIGN
PRE/POST
SENDS
FX Send 1-4
FX 1-4
Insert
FX
MUTE
L R
PAN
FADER
ASSIGN
PRE/POST
SENDS
FX Return 1-4
GRP
LR
MIX Sends
FX Sends
PEQ
TALK
ASSIGN
TALKBACK
GRP
LR
MIX
MTX
GAIN HPF
ASSIGN
SIG GEN
GRP
LR
MIX
MTX
LEV
MUTE
DELAY
RTA
PAFL
PHONESPFL TRIM
PAFL MONITOR
Local Outputs
Sine
Pink
White
Bandpass
Mic
Line
L/M
R
Mic/Line Inputs
ST1
L/M
R
ST2
ST3
L/R
Mic
Talkback
Line Inputs
1 ---------- 16
Qu-Drive
USB B
Stream Stream
22 ch 24 ch
Playback
LR, 18 trk
SIGNAL FLOWQu-16
Local Inputs dSNAKE USB
Record
LR, 18 trk
PREAMP
GAIN
48V
MUTE
L R
PAN
FADER
Channel SOURCE
ASSIGN
PRE/POST
SENDS
Input Channels 1-16, ST1-3
dSNAKE
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
GEQ
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
GEQ
Output PATCHMixInputs
Line Outputs
L
R
2Trk
L
R
Alt Out
AES Out
Mix 1-----------10
Main LR
USB dSNAKE
MUTE
FADER
ASSIGN
PRE/POST
SENDS
FX Send 1-2
FX 1-4
Insert
FX
MUTE
L R
PAN
FADER
ASSIGN
PRE/POST
SENDS
PEQ
Local Outputs
Cat5 Digital Snake to AudioRack and ME Personal Monitor System
Sine
Pink
White
Bandpass
DELAY
RTA
PAFL
PHONESPFL TRIM
PAFL MONITOR
Mix 1---------------10
Route to:
PAFL Route to:
Route to:
Route to:
PAFL
Route to:
L R
Output BAL
ASSIGN
PRE/POST
SENDS
Outputs
PAFL
Route to:
L R
Output BAL
Outputs
PAFL
Route to:
Outputs
PAFL
Route to:
PAFL
LR
MIX Sends
PAFL
FX Sends
DIR OUT
LR
MIX Sends
FX Sends
Route to:
PAFL Route to:
FX Return 1-4
TALK
ASSIGN
TALKBACK
LR
MIX
GAIN HPF
Route to:
ASSIGN
SIG GEN
LR
MIX
LEV
MUTE
Route to:
PAFL
Mix - Mono 1-4, Stereo 5-6, 7-8, 9-10
Main LR
ASSIGN
PRE/POST
SENDS
L R
Output BAL
ASSIGN
PRE/POST
SENDS
L R
Output BAL
Outputs
PAFL
Route to:
L R
Output BAL
Outputs
PAFL
Route to:
L R
Output BAL
LR post
LR post
HPF GATE PEQ COMP
DELAY
FX
Insert
MUTE
L R
PAN
FADER
or Ducker
PEQ COMP
DELAY
Insert
MUTE
FADER
GEQ
L R
PAN
FX or Ducker
AMM (CH1-16)
POL0TRIM HPF GATE PEQ COMP
DELAY
FX
Insert
or Ducker
Cat5 Digital Snake to AudioRack and ME Personal Monitor System
AMM (CH1-16)
The following diagrams show the Qu-16, Qu-24, Qu-32, Qu-SB and Qu-Pac I/O (inputs and
outputs), audio architecture and processing available. The difference between the models and the
routing capability of each processing section is illustrated. Refer also to the more detailed System
Block Diagrams at the rear of this guide.
Qu Mixer Reference Guide 8 AP9372 iss.9
Mic
Line
L/M
R
Mic/Line Inputs
ST1
L/M
R
ST2
ST3
L/R
Mic
Talkback
Line Inputs
1 ------ 16
Qu-Drive
USB B
Stream Stream
32 ch 32 ch
Playback
Stereo, 18 trk
SIGNAL FLOW
Local Inputs dSNAKE USB
Record
Stereo, 18 trk
PREAMP
GAIN
48V
POL0TRIM HPF GATE PEQ COMP
DELAY
FX
Insert
MUTE
L R
PAN
FADER
Channel SOURCE
ASSIGN
GRP
LR
MIX Sends
PAFL
PRE/POST
SENDS
FX Sends
DIR OUT
Input CH1-32, ST1-3
PEQ COMP
DELAY
Insert
MUTE
FADER
ASSIGN
LR
MIX Sends
PRE/POST
SENDS
FX Sends
MTX Sends
Group 1-2, 3-4, 5-6, 7-8
dSNAKE
GEQ
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Mono 1-4, Stereo 5-6, 7-8, 9-10 Mix
GEQ
MTX Sends
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Main LR
GEQ
MTX Sends
L R
PAN
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Matrix 1-2, 3-4
GEQ
Outputs
Output PATCHMixInputs Masters
L
R
2Trk
L
R
Alt Out
AES Out
USB dSNAKE
MUTE
FADER
ASSIGN
PRE/POST
SENDS
FX Send 1-4
FX 1-4
Insert
FX
MUTE
L R
PAN
FADER
ASSIGN
PRE/POST
SENDS
FX Return 1-4
GRP
LR
MIX Sends
FX Sends
PEQ
TALK
ASSIGN
TALKBACK
GRP
LR
MIX
MTX
GAIN HPF
ASSIGN
SIG GEN
GRP
LR
MIX
MTX
LEV
MUTE
DELAY
RTA
PAFL
PHONESPFL TRIM
PAFL MONITOR
Local Outputs
Sine
Pink
White
Bandpass
Route to:
PAFL Route to:
Route to:
Route to:
PAFL
Route to:
L R
Output BAL
ASSIGN
PRE/POST
SENDS
Outputs
PAFL
Route to:
L R
Output BAL
Outputs
PAFL
Route to:
Outputs
PAFL
Route to:
PAFL
ASSIGN
PRE/POST
SENDS
L R
Output BAL
ASSIGN
PRE/POST
SENDS
L R
Output BAL
LR post
Line Outputs
Mix 1-----------10
Main LR
CH17-32, Group and MTX OutputsRemote access to any Input/Output including:
Virtual
Virtual Virtual
Virtual
Virtual
Virtual
Virtual
or Ducker
FX or Ducker
Cat5 Digital Snake to AudioRack and ME Personal Monitor System
AMM (CH1-16)
Mic
Line
L/M
R
Mic/Line Inputs
ST1
Line Input
1 ------ 16
MTX Sends
L R
PAN
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Matrix 1-2, 3-4
GEQ
Outputs
Output PATCHMixInputs Masters
L
R
MTX1-2 out
USB dSNAKE
MUTE
FADER
ASSIGN
PRE/POST
SENDS
FX Send 1-4
FX 1-4
Insert
FX
MUTE
L R
PAN
FADER
ASSIGN
PRE/POST
SENDS
FX Return 1-4
GRP
LR
MIX Sends
FX Sends
PEQ
ASSIGN
SIG GEN
GRP
LR
MIX
MTX
LEV
MUTE
DELAY
RTA
PAFL
PHONES
PFL TRIM
MONITOR
Local Outputs
Sine
Pink
White
Bandpass
Route to:
PAFL Route to:
Route to:
PAFL
Route to:
L R
Output BAL
ASSIGN
PRE/POST
SENDS
Outputs
PAFL
Route to:
L R
Output BAL
Outputs
PAFL
Route to:
Outputs
PAFL
Route to:
PAFL
ASSIGN
PRE/POST
SENDS
L R
Output BAL
ASSIGN
PRE/POST
SENDS
L R
Output BAL
Line Outputs
Mix 1-----------10
Main LR
CH17-32, Group and MTX OutputsRemote access to any Input/Output including:
Virtual
Virtual Virtual
Virtual
Virtual
Virtual
Virtual
or Ducker
FX or Ducker
Cat5 Digital Snake to AudioRack and ME Personal Monitor System
AMM (CH1-16)
GROUP MODE
Group (routing, stereo sub-groups)
Mix (stereo sends)
Groups can be used to provide extra stereo mixes
PREAMP
GAIN
48V
POL
0
TRIM HPF GATE PEQ COMP
DELAY
FX
Insert
MUTE
L R
PAN
FADER
Channel SOURCE
ASSIGN
GRP
LR
MIX Sends
PAFL
PRE/POST
SENDS
FX Sends
DIR OUT
Input CH1-32, ST1-3
PEQ COMP
DELAY
Insert
MUTE
FADER
ASSIGN
LR
MIX Sends
PRE/POST
SENDS
FX Sends
MTX Sends
Group 1-2, 3-4, 5-6, 7-8
dSNAKE
GEQ
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Mono 1-4, Stereo 5-6, 7-8, 9-10 Mix
GEQ
MTX Sends
PEQ COMP
DELAY
FX
Insert
MUTE
FADER
Main LR
GEQ
Qu-Drive
USB B
Stream Stream
32 ch 32 ch
Playback
Stereo, 18 trk
SIGNAL FLOWQu-SB
Local Inputs dSNAKE USB
Record
Stereo, 18 trk
Qu Mixer Reference Guide 9 AP9372 iss.9
32 fader strips
4 Group masters
2 Matrix masters
4 DCA Group masters
4 stereo Group mix selects
Larger Touch Screen
Shelf for iPad
10 SoftKeys
2 Group masters
2 Matrix masters
4 FX sends, 2 stereo Groups
24 fader strips
4 SoftKeys
16 fader strips
LED colour strips to identify layer
2 FX sends, no Groups
3.4 Differences between the Qu models
All four models operate in the same way and have a similar touch screen menu structure. The
larger models add Groups and Matrix. Other differences are shown here:
Qu-16 Qu-24
Qu-32
Qu Mixer Reference Guide 10 AP9372 iss.9
15 SoftKeys
Custom assignable Qu-Control screen for installed sound control
Custom assignable Select keys
Channel screen provides selection and virtual fader strip
Qu-Pac
Qu-Pac is the mix engine of the Qu-32 in a compact rack mountable format. It has the same local
connections as the Qu-16 and can be expanded to use the additional Qu-32 channels and outputs
by adding dSNAKE AudioRacks. It does not have faders, however all channels and functions can
be controlled directly from the front panel using its touch screen.
Qu-SB
Qu-SB is the mix engine of the Qu-32 in a compact rack mountable format. It has similar
connections to the Qu-Pac and can be expanded to use the additional Qu-32 channels and
outputs by adding dSNAKE AudioRacks. It does not have any local control and is intended
exclusively for iPad wireless control.
Qu Mixer Reference Guide 11 AP9372 iss.9
Qu-24 24 Mic/Line in
4 Group out
Matrix out
Qu-16 16 Mic/Line
32 out, 30 in USB audio streaming
24 out, 22 in USB audio streaming
Qu-32 32 Mic/Line in
8 Group out
Matrix out
32 out, 32 in USB audio streaming
Qu-Pac 16 Mic/Line in
32 out, 32 in USB
audio streaming
Use dSNAKE to access up to 32
Mic/Line in and other mix outs
Qu-SB 16 Mic/Line in
32 out, 32 in
USB audio
streaming
1 st Matrix Out
1 st Line Input
Scene, Library and Show memories - All Qu mixer memories are compatible. Files created on
one model can be transferred via USB key and loaded on the other. The extra features of the
bigger models will be ignored when their file is loaded on a Qu-16. The extra features of the bigger
models will be reset to factory default when a Qu-16 file is loaded.
To be compatible, ensure all your Qu mixers are loaded with the same version of firmware.
Check the Allen & Heath web site for the latest firmware available.
USB Audio - A USB hard drive formatted on one model can be used on the other. Stereo and
multitrack Qu-Drive recordings are compatible. USB B audio streaming is compatible, but note that
Qu-16 is 24out/22in, Qu-24 is 32out/30in, and Qu-32, Qu-Pac and Qu-SB are 32out/32in.
Firmware – The same version but different firmware download is needed for each model. Choose
either the Qu-16, Qu-24, Qu-32, Qu-Pac or Qu-SB file when downloading firmware from the Allen &
Heath web site. The procedure for updating firmware is the same for all models.
Qu-Pad and Qu-You apps - These apps are compatible with all Qu mixers. They identify the
model and load the appropriate controls when you log in. Qu-Pad is available for iOS devices. QuYou is available for iOS and Android devices.
Make sure the app version and mixer firmware versions are compatible.
Qu Mixer Reference Guide 12 AP9372 iss.9
4. Connection Overview
Pin2 = hot
AES digital out
(not Qu-SB)
2-Trk and Alt out
(not Qu-SB)
LR main out
Lamp (not Qu-SB)
Talkback
Mic in (not
Qu-SB)
ST1 and ST2
stereo line in
(not Qu-SB)
Analogue Mix outputs
Mic and Line inputs
Network
dSNAKE remote audio
USB B streaming
Kensington
Lock
Cable
clamp
Power On/Off
Mains power input
Mains fuse
The following connections are available on the rear panel of the Qu mixer. The Qu-16 is shown here.
4.1 Local Input Connections
Mono Line Input – Balanced ¼” TRS (Tip, Ring,
Sleeve) jack input for plugging in line level signals such as
multitrack players and radio mic receivers. To work with
unbalanced sources use a mono jack or link ring to sleeve
within the TRS stereo jack.
Use DI boxes plugged into the Mic input for high
impedance, low level sources such as acoustic instrument
pickups.
Microphone Input – Balanced XLR input for plugging
in a low level source such as a microphone or DI box. 48V
can be switched to the socket for condenser mics and active
DI boxes that require phantom power.
To avoid loud thumps, mute the channel before plugging
in cables or equipment while 48V is turned on.
Stereo Line Input – ST1 and ST2 balanced ¼” TRS
(Tip, Ring, Sleeve) jack inputs for plugging in line level
stereo sources such as CD players (ST2 not provided on
Qu-SB). The L input normals (switches) through the R input
so that you can work with a mono source by plugging into
just the L/M input.
To work with RCA phono connections use jack to RCA
converter plugs.
Qu Mixer Reference Guide 13 AP9372 iss.9
Talkback Input – Dedicated balanced XLR input for
plugging in a microphone to route to the mixes for the
engineer to talk to the performers on stage. Phantom power
can be switched to the socket for condenser microphones.
The Talkback Input is not provided on Qu-SB.
4.2 Local Output Connections
Pin2 = hot
Group, Mix, Matrix outputs – Balanced XLR line
level outputs for the mono and stereo mixes, for example to
feed monitor amplifiers, external processing devices, delay
fill speaker systems and recording devices. These use low
impedance, high quality differential driver circuits for
connection to +4 or 0dBu equipment. Maximum output is
+22dBu.
Professional equipment provides ‘balanced’ connections for
maximum interference rejection over long cable runs. If you
are connecting to ‘unbalanced’ equipment then make sure
the XLR pin 3 (signal cold) is linked to pin 1 (signal ground).
Main LR output – Balanced XLR line level outputs for
the main Left and Right stereo mix. These typically plug into
the FOH speaker processor, amplifier or powered speakers.
AES out – 2-channel digital output using a single XLR
connection and standard mic (2-core screened) audio cable.
It follows the AES (Audio Engineering Society) digital audio
standard and can connect to any equipment fitted with an
AES input socket. The source to this output is patched using
the Setup / Output Patch / Surface screen. Applications
include the feed to a PA speaker processor, amplifier, stereo
broadcast or recording device equipped with AES input.
4.3 Other Connections
Alt out – Stereo ‘alternative’ output on balanced TRS
jacks for connection to +4 or 0dBu equipment such as zone
feeds, fill speakers, broadcast or local monitor. The source
to this output is patched using the Setup / Output Patch /
Surface screen.
2TRK out – Stereo output on balanced TRS jacks for
connection to +4 or 0dBu equipment such as stereo
recorders. It follows the post master fader main LR mix.
The AES out, Alt out and 2TRK out are not provided on
Qu-SB.
Lamp – Plug in a 4-pin gooseneck lamp to illuminate the
mixer surface. You can use any industry standard 12V, 5W
or lower power lamp. We recommend the Allen & Heath
LEDLamp with built-in thumbwheel dimmer. The Lamp
connector is not provided on Qu-SB.
USB B – Type B USB connection for multi-channel
bi-directional audio streaming between the mixer and a
computer. Follows the high speed USB 2.0 standard.
Refer to the Allen & Heath web site for information on
Windows® and Apple® Mac drivers available for Qu.
Network – Fast Ethernet (100 Mbit/s) port for Cat5 cable
connection to a computer for MIDI over TCP/IP control of
mixer parameters, or to a wireless router (access point) for
live mixing control using the Allen & Heath Qu-Pad app
running on an iPad, and Qu-You personal monitoring app.
The Lnk indicator flashes to indicate network activity.
dSNAKE – The proprietary Allen & Heath ‘digital snake’
connection for remote audio using an AR2412, AR84 or
AB168 AudioRacks, and for personal monitoring using the
ME Personal Mixing System.
Qu Mixer Reference Guide 14 AP9372 iss.9
4.4 Powering up the mixer
The Qu mixer has an internal universal voltage power supply
unit. This means you can use your mixer in most parts of the
world without the need to modify the unit as long the local
mains supply is within the range:
Mains Voltage = 100 to 240 V.AC
Mains Frequency = 47 to 63Hz
Important - Before starting, read the Safety Instructions
Sheet packed with the mixer and safety notes printed on the
mixer.
AC MAINS IN – Standard IEC socket for connecting the
mixer to the local mains supply. Plug in a mains lead with
moulded plug suitable for your territory. A suitable mains
lead is shipped with the mixer.
Do not replace the mains plug or modify the lead in any
way. For your own safety and that of the operator and
performers do not remove or defeat the ground connection.
A cable clamp is provided. You can slot the cable into this
or lock it in place. To lock the cable use a star head Torx
T20 screwdriver to refit the clamp around the cable.
Fuse – Mains input fuse to protect the mixer circuits in the
unlikely event of a failure or excessive power surge. If you
need to replace the fuse always use one of the same type
and rating as printed on the rear panel. If the replacement
fuse blows then refer to your authorised Allen & Heath
service agent for advice.
Power ON/OFF switch – Press to switch the mixer
on. Press again to switch it off.
Switching the mixer on – Press the ON/OFF switch.
The blue Power indicator lights. The mixer takes just a few
seconds to boot up. It restores its previous settings. LR mix
is selected and it’s processing shown on the screen.
To avoid loud thumps, do not switch the mixer on or off
while the PA speakers are powered. Always switch the
amplifiers on last, and switch them off first.
Switching the mixer off – First select the Home
screen. Touch Shut Down to safely complete processes
such as parameter storing and USB data transfer or
recording. Once complete, press the ON/OFF switch to turn
the mixer off.
Qu Mixer Reference Guide 15 AP9372 iss.9
5. Connecting dSNAKE Remote Audio
dSNAKE carries:
Up to 38 remote input signals
Up to 16 remote output signals
40 personal mixing sends
Preamp control – Gain, Pad, 48V
The Qu mixer provides a locking Neutrik
EtherCon socket to protect the
connections and ensure suitability for
touring. Use a touring grade cable fitted
with locking EtherCon plugs.
Maximum cable length = 120m (396’)
depending on cable type. Recommended
maximum length = 100m (330’).
The Qu mixer provides local sockets on its rear panel for all audio inputs and outputs. It can also work
with remote audio by connecting over a single cable ‘digital snake’ to an Allen & Heath AudioRack, or to
the Allen & Heath ME Personal Mixing System.
5.1 Connecting to a remote AudioRack
The Qu can connect to an Allen & Heath AudioRack so that the audio can be plugged into a rack on
stage and routed to the mixer over a single Cat5 cable ‘digital snake’ plugged into its dSNAKE port.
The ‘digital snake’ – dSNAKE provides a convenient,
single Cat5 cable alternative to the typical heavy
analogue copper multicore to connect many inputs
and outputs on stage. One cable carries multiple
channels of audio in both directions together with
remote control of the preamps.
Cat5 cable – Use STP (shielded twisted pair) Cat5e or
higher cables. Those with both foil and braided
screens provide shielding from interference and are
generally more rugged. Stranded core cables are less
prone to damage when kinked or repeatedly coiled.
Remote Inputs - dSNAKE inputs are mapped one-toone to the Qu input channels. They are not patchable.
Qu Mixer Reference Guide 16 AP9372 iss.9
dSNAKE does not add channels to the mixer.
Choose either Local (rear panel) or dSNK (remote)
input for each channel.
Remote Outputs - Qu outputs can be patched to the
output sockets on the remote racks. These duplicate
the outputs on the Qu rear panel.
Connecting Qu to the AudioRack – Plug one end of
your Cat5 ‘digital snake’ into the Qu mixer dSNAKE port. Plug the
other end into the dSNAKE port of the AudioRack.
Connecting a second AudioRack – The AR2412 and
AB168 AudioRacks include an EXPANDER port. You can use this
to connect to an AR84 or AB168 AudioRack.
The AR2412 AudioRack cannot be used as an expander in a
Qu system.
You can connect up to two AudioRacks in a Qu system. This
includes the main rack and one expander rack.
Once connected and powered up, the Qu touch screen should
display the ‘dS’ icon in its toolbar to show that one or more
dSNAKE devices are recognised by the system.
Available AudioRacks:
EXPANDER – To connect to an
AR84 or AB168 to add more
input and output sockets.
MONITOR – To connect to the
Allen & Heath ME personal
mixing system.
dSNAKE – To connect to the
Qu mixer using a Cat5 digital
snake.
EXPANDER – To connect to
the Expander port of the
AR2412, or connect directly to
the Qu mixer via its dSNAKE
port.
EXPANDER – To connect to a
second AB168 to add more
input and output sockets. Also
compatible with the Allen &
Heath ME personal mixing
system.
dSNAKE – To connect to the Qu
mixer using a Cat5 digital snake.
AB168 16 Mic/Line in, 8 Line out - Floor, shelf or rack mount
The AB168 AudioRack can be used as a stage box on the floor or a surface, or mounted in a 19” rack
using the optional rack ears.
AR2412 24 Mic/Line in, 12 Line out - Rack mount
AR84 8 Mic/Line in, 4 Line out - Rack mount
Inputs – Use the Preamp screen Fn key Source page
to choose either the local (rear panel) socket or a
remote (dSNAKE) socket for each channel source.
Red buttons show local sources selected, yellow
buttons show dSNAKE sources.
Any dSNAKE input socket can be patched to any
channel using the Setup / I/O Patch / dSNAKE In
screen. Sockets can be patched to more than one
channel.
The Qu-16, 24, 32 reset default is one-to-one mapping
of local sockets to the channels.
The Qu-Pac and Qu-SB reset default is one-to one
mapping of local sockets to CH1-16, and dSNAKE 116 sockets to CH17-32.
Qu Mixer Reference Guide 17 AP9372 iss.9
Adding an AudioRack does not expand the number
of Qu channels available.
Outputs – The Qu mixer outputs will appear
simultaneously at its rear panel sockets and also at the
sockets on the remote rack. AudioRack output sockets
are patchable. Qu outputs can be patched to the rack
sockets using the Setup / I/O Patch / dSNAKE Out
screen.
5.2 Qu Systems
Qu-24 Qu-24
AR84
CH1-8 Out1-4
AR2412
CH1-24 Out1-12
Qu-24
Qu-24
AR2412
CH1-24 Out1-12
Out9-16
EXPANDER
1-8 = CH17-24
Qu-24
dSNAKE
AB168
CH1-16 Out1-8
dSNAKE dSNAKE
dSNAKE
EXPANDER
AR84
Out13-16
7-8 = unused
1-6 = ST1-3
Qu-24
dSNAKE
AB168
CH1-16 Out1-8
15-16 = unused
9-14 = ST1-3
Qu-24 – All inputs and outputs
are available locally.
Qu-24+AR84 – 8 remote inputs.
Provides 4 outputs
Qu-24+AR2412 – Access all 24
mic inputs near the stage.
Qu-24+AR2412+AR84 – Adds
the ST1-3 stereo mic inputs near
the stage.
Qu-24+AB168 – Digital snake
for 16 mic inputs on stage.
Qu-24+2x AB168 – Expands
with a second stage box to
access all inputs.
AR84
CH1-8 Out1-4
Qu-16
dSNAKE
CH1-16 Out1-8
Qu-16
Qu-16
dSNAKE
CH1-16 Out1-8 Out9-16
Qu-16
dSNAKE
AR2412
EXPANDER
AB168
23-24 = unused
17-22 = ST1-3
1-16 = CH1-16
7-16 = unused
1-6 = ST1-3
Qu-16
dSNAKE
AB168
Out1-12
Qu-16 – All inputs and outputs
are available locally. Use on
stage or with an analogue
snake.
Qu-16+AR84 – 8 remote inputs.
Provides 4 outputs, ideal for
feeding a stereo PA and two
monitors.
Qu-16+AR2412 – Access all
inputs and outputs near the
stage. ST1-3 provide stereo mic
inputs.
Qu-16+AB168 – Provides a
rugged digital snake and stage
box for all 16 mic inputs and up
to 8 returns.
Qu-16+2x AB168 – A second
stage box expands the first to
access ST1-3 on its first 6 inputs
and provides more outputs.
Inputs 7-16 are not used.
The Qu mixer has sockets for all its inputs and outputs on its rear panel and can therefore be used
without any additional rack. However, if you wish to use a digital snake to connect remote stage audio to
the mixer using a single Cat5 cable then there are several rack options available. The following diagrams
show suggested combinations:
Qu Mixer Reference Guide 18 AP9372 iss.9
PSU
PoE
PSU
PSU
ME-U hub
ME-1
ME-1
ME-D
EXPANDEREXPANDER
AR2412
MONITOR
dSNAKE
AB168
EXPANDER
AB168
dSNAKE
Qu Mixer
ME System ME System ME System ME System
Qu Mixer
Qu Mixer
Qu Mixer
dSNAKE dSNAKE
ME Personal Mixing System – The Qu system can interface directly or via the ME-U hub to ME-1 personal
mixers using any available dSNAKE, EXPANDER or MONITOR port.
Parallel connection
Use the ME-U hub or a
standard PoE hub to
power and connect to
several ME-1 mixers
using individual Cat5
cables.
Daisy chain connection
Connect to Link In of the
first ME-1 mixer. Connect
its Link Out to daisy chain
to the next. Use the power
units provided with each
ME-1 mixer.
AR84
CH1-8 Out1-4
AR2412
CH1-24 Out1-12
dSNAKE dSNAKE
Qu-32 Qu-32
AR2412
CH1-24 Out1-12
dSNAKE
15-16 = unused
9-14 = ST1-3
Out9-16
EXPANDER
1-8 = CH25-32
Out9-16
EXPANDER
Qu-32 Qu-32 Qu-32
Qu-32 Qu-32
AR84
Out13-16CH25-32
dSNAKE
AB168
CH1-16 Out1-8
dSNAKE
AB168
CH1-16 Out1-8
CH17-32
AR2412
CH1-24 Out1-12
dSNAKE
EXPANDER
Qu-32 – All inputs and outputs
are available locally.
Qu-32+AR84 – 8 remote inputs.
Provides 4 outputs
Qu-32+AR2412 – Access to 24
mic inputs near the stage.
Qu-32+AB168 – Digital snake
for 16 mics on stage.
Qu-32+2x AB168 – Add a
second AB168 for 32 mics on
stage.
Qu-32+AR2412+AR84 –
Provides all 32 mic inputs near
the stage.
Qu-32+AR2412+AB168 –
Access to all inputs including
stereos.
Qu-Pac and Qu-SB –
Same engine as Qu-32 but have
16 inputs available locally. Use
dSNAKE to access the others.
Qu Mixer Reference Guide 19 AP9372 iss.9
5.3 The ME Personal Mixing System
Power unit
EXPANDER port
MONITOR port
Daisy chain
dSNAKE
dSNAKE
Daisy chain other ME-1
The Allen & Heath ME Personal Mixing System can be used with the Qu mixer. This provides
customisable personal monitor control for individual musicians and performers on stage.
ME-1 personal mixer – A compact personal mixer
able to work with up to 40 channels. Features built-in
headphones and monitor output. Intuitive and easy to
operate, its 16 select keys can be configured to
provide as much or as little control as the musician
needs.
The 40 ME channels are mapped from the Qu input
channel direct outputs, FX and mixes to dSNAKE. Qu
sends audio and stereo status information. Channels
can be chosen and grouped to ME-1 keys using the
setup function available on the ME-1 mixer.
Multiple ME-1 mixers can be connected in series
(daisy chained) by linking the output of one to the
input of the next. Alternatively, they can be connected
in parallel and powered over their Cat5 cables using a
standard PoE Ethernet switch or the Allen & Heath
ME-U hub. The ME connects directly to a dSNAKE
compatible port using a Cat5 cable.
Connecting ME to an AR2412 or AB168 AudioRack - ME-1 mixers, a standard Ethernet switch or the
ME-U hub can be plugged into the AR2412 MONITOR or EXPANDER port, or AB168 EXPANDER port.
Connecting ME to the Qu mixer - ME-1 mixers, a standard Ethernet switch or the ME-U hub can be
plugged directly into the Qu dSNAKE port if you are not using this to connect to an AudioRack. Power can
be provided over the Cat5 by the ME-U or a PoE switch.
Find out more about the ME Personal Mixing System at www.allen-heath.com
Qu Mixer Reference Guide 20 AP9372 iss.9
6. Qu-16, 24, 32 Operational Overview
Fader Flip
TouchChannel
Screen select
SuperStrip
Fader Strips
Touch Screen
Master Strip
Mix assign
SoftKeys
Layer select
Copy/Paste/reset
Mix select Mix keys
Channel select Sel key
Engineer’s monitor
Qu-Drive
Function key (Fn)
This section provides an overview of the Qu fader mixer layout and operation to help you get started
quickly. The Qu-16 mixer is shown here. Similar applies to the Qu-24 and Qu-32.
6.1 Fader Strips
The Qu mixer has a group of fader strips, one per channel. These
provide access to the input and master channel levels and
processing.
The main channel levels, master levels and all sends to the FX
and mixes can be easily viewed and adjusted using the faders.
The faders can also be used to adjust the Graphic EQ while in
Fader Flip mode.
The faders are motorised and instantly move to show the current
settings when the layer or function is changed.
Layers – There are three Layers. These provide access to inputs and masters as identified by the labels
alongside the layer select keys. Indicators next to the keys show which layer is active.
Press the lower key to access the mono channels.
Press the upper key to access the 3 stereo channels, FX returns, FX sends and Mix masters.
Press both keys together to access the user assignable Custom layer.
There is an option in the Setup / Control / Custom Layer screen to enable ‘Custom Layer only’. This lets
you choose which channels the user should have access to.
Qu Mixer Reference Guide 21 AP9372 iss.9
Mute key – Press to turn off the channel audio signal. This affects the send to
all mixes including LR, groups, effects and stage monitors. The key lights red when
muted. It flashes when muted by a Mute or DCA Group master.
Sel key (select) – Press to access the Channel Processing. Parameters can
be adjusted using the SuperStrip controls. The touch screen will display the
settings and provide additional controls if either the Processing or Routing screen
is active. The Sel key is also used for:
Assign mix routing – Hold down the ‘Assign’ key and press Sel keys to
assign channels to the mix currently selected in the Master Strip. The Sel
keys light green to show channels assigned to the selected mix.
Assign Pre/Post fade sends – Hold down the ‘Pre Fade’ key and press Sel
keys to toggle channel sends pre or post fader for the mix currently selected
in the Master Strip. The Sel keys light green to show channels set pre-fade.
Copy channel processing – Hold down the Copy key and press a channel
Sel key to copy its processing settings. Then hold down the Paste key and
press one or more Sel keys to instantly paste those settings to other
channels.
Reset channel processing – Hold down the Reset key and press a channel
Sel key to instantly reset all it’s processing to factory default.
Reset Graphic EQ band – Press Sel to reset the associated GEQ frequency
band to 0dB while in GEQ Flip mode.
PAFL key – Press to listen to a channel using headphones and check its level
on the main meters. The meter PAFL indicator lights. Press PAFL again to turn it
off. A SoftKey can be assigned to clear all active PAFL selections. Options are
available in the Setup / Audio / PAFL screen to choose how you want PAFL to
work:
Additive mode – Pressing a PAFL key automatically cancels any previous
selection. Turn Additive on to PAFL more than one channel at a time.
Sel follow PAFL – Link the Sel switch so that pressing PAFL automatically
selects the processing for that channel.
LR to PAFL – Routes the main LR mix to the monitor when there is no PAFL
selected.
Output AFL – This option sets the mix strip PAFL keys to monitor AFL (after-
fade listen). With this option turned off these keys monitor PFL (pre-fade
listen). The default is AFL so that you can check mixes after the master fader.
Input AFL – This option sets the input strip PAFL keys to monitor AFL (after-
fade listen). With this option turned off these keys monitor PFL (pre-fade
listen). PFL is the usual setting for inputs so that you can check and set their
gain before you bring up the faders.
Channel meter – The strip meters let you keep an eye on signal levels while
you are mixing. These display channel level before the fader and mute control:
Pk – Lights red to warn that the signal is too hot and gain or trim should be
reduced. It turns on 3dB before clipping to warn you before audible
distortion. Pk senses the signal at several points within the channel.
0 – Lights when the signal reaches nominal 0dBu allowing a healthy 18dB
headroom. This is the normal level for mixing.
Sig – Lights to show signal presence. It turns on at -26dBu.
Fader – Controls the level of the input channel, FX or mix master assigned to it.
This can be the main channel fader or a send to an effect or mix depending on
which Mix Select key is active in the Master Strip.
The faders can also control the Graphic EQ frequency bands while in GEQ Flip
mode. The range of frequencies accessed by the faders is highlighted in the touch
screen and labelled at the top of the faders. The centre 0dB flat position is marked
on the fader scale.
Qu Mixer Reference Guide 22 AP9372 iss.9
6.2 The Master Strip
Qu provides a dedicated fader strip for the Mix Masters. It presents the fader and controls for the mix
currently selected using the Mix keys alongside. The sends to the selected mix are presented on the
channel faders. They move to show the current settings. This provides a very quick way to access each
mix without the need to switch to the Masters layer.
Mute key – Press to turn off the mix master audio signal. The Mute
key lights red when the audio is muted.
Sel key (select) – Press to access the mix Processing (PEQ,
GEQ, Compressor, Delay) and its Routing parameters using the
SuperStrip and Touch Screen. The screen presents related parameters
while its Processing or Routing key is active.
The Sel key can also be used to:
Copy mix processing – Hold down the Copy key and press the
Sel key to copy the processing settings. Then select a different
Mix, hold down the Paste key and press the Sel key to instantly
paste those settings to that mix.
Reset mix processing – Hold down the Reset key and press the
Sel key to instantly reset all it’s processing to factory default.
Assign all sources – Hold down the Assign key and press the Sel
key to toggle all sources on (assigned) or off to the mix.
Set all sources Pre or Post-Fade – Hold down the Pre Fade key
and press the Sel key to toggle all sources Pre or Post Fade.
PAFL key – Press to listen to a mix using headphones and check its
level on the main meters. The meter PAFL indicator lights. Press PAFL
again to turn it off. A SoftKey can be assigned to Clear All active PAFL
selections. Options are available in the Setup screen to choose how
you want PAFL to work. The default setting is AFL (after-fade listen).
Mix meter – The strip meter lets you keep an eye on the mix master
signal level. This is ‘post-fader’ and displays the level after the fader and
mute control to follow the signal available at the output of the mixer.
Pk – Lights red to warn that the signal is too hot and mix level
should be reduced. It turns on 3dB before clipping to warn you
before audible distortion.
0 – Lights when the signal reaches nominal 0dBu allowing a
healthy 18dB headroom. This is the normal level for mixing.
Sig – Lights to show signal presence. It turns on at -26dBu.
Fader – Controls the level of the mix master currently selected. There
is +10dB boost available. Normal setting is around the ‘0’ position.
Mix Select keys – These select which mix master is presented on
the master strip. Only one can be active at any time. Press a key to
select a mix. The channel faders move to become the sends to the
selected mix. Channels can be assigned using the Sel keys. Press the
key again turn return to the main LR mix.
LR sets the strip to control the main LR mix. This is the normal
selection for mixing the FOH (main PA) sound.
FX sets the strip to control the FX internal effects send master.
The Qu-16 has 2 FX buses. The Qu-24 and Qu-32 have 4 FX
buses.
Mix, Grp sets the strip to control one of the mono or stereo mix or
Group masters. Groups are not available on the Qu-16.
The Mix key can also be used to copy or reset any of the FX and Mix
send levels, pan and assignments. This does not affect the Pre/Post
settings.
Qu Mixer Reference Guide 23 AP9372 iss.9
6.3 Working with the sends on faders:
Qu-16
Qu-24 and 32
Sends on faders
Pre/Post
Assign
Toggle individual sources
Toggle all sources
Hold and then press Sel
Select a Mix - Press a Mix key. The master strip presents the
mix fader and controls. The channel faders move to present
the sends to that mix.
Adjust Send levels – For Mix and FX sends. Move the
channel faders. These become the sends to the selected mix.
Adjust Send pans - While a stereo Mix is selected, press a
channel Sel key and use the Pan control to pan its send in
the mix.
Assign sends to the mix – Hold the Assign key to view the
current channel assignments (routing) to the mix. The Sel
keys light when the channel is assigned to the mix. To toggle
individual assignments on or off, press channel Sel keys
while holding Assign.
To toggle all assignments on or off - Hold the Assign key
and press the master strip Sel key.
Set sends Pre or Post fader – For Mix and FX sends. Hold
the Pre Fade key to view the current channel pre/post fade
settings for the mix. The Sel keys light when set to Pre-fade.
To toggle individual sends pre or post, press the channel Sel
keys while holding Pre Fade. It is typical to use Pre-fade for
monitor sends and Post-fade for effects sends.
To toggle all sources Pre or Post Fade - Hold the Pre Fade
key and press the master strip Sel key.
Group mixes – Selecting a Grp mix lets you assign channels
and FX returns to the group. The LR mix channel faders and
pan positions remain active. Groups are not available on the
Qu-16. The Mix key lights purple if configured as a Group, or
blue if configured as a Mix.
Press the Mix key again or press LR to return to the main
mix, or press another Mix key to adjust a different mix.
Always remember to return to the main LR mix once you have
finished adjusting monitor or effects levels.
Qu Mixer Reference Guide 24 AP9372 iss.9
7. Qu-Pac Operational Overview
SoftKeys
Touch Screen
Live mixing screens
System screens
ST3 Input
Custom Select keys
Fn key
Copy/Paste/Reset keys
Screen rotary control
Qu-Drive USB
Phones
Alt Out
Channel screen
Channel select
Virtual fader strip
Mix select
This section provides an overview of the Qu-Pac faderless mixer layout and operation to help you get
started quickly.
Touch Screen - All live mixing, setup and memory management functions can be
controlled from the Qu-Pac front panel. The colour touch screen provides quick
access to these functions. The top presents tabs for the available pages. The bottom
presents a toolbar showing status information.
Screen Rotary - Adjusts the value of parameters on screen. Touch a parameter.
It highlights orange to show it is selected. Turn the Rotary to adjust its value.
Fn key - Press to open an option pop-up page for the currently selected screen. Its
function, if available, is shown in the screen toolbar above the key. For example, the
Fn key provides quick access to the Libraries while in Processing screens.
Live mixing screens - These screens provide quick access to live mixing
functions such as level control and signal processing:
Qu-Control - User assignable custom screen for simple
level, mute and on/off control. A user permission can be set
so that this is the only control available to the ‘Basic User’, for
example bar staff control of zone music source and level at a
venue.
Processing – Follows the active Sel key or button to open
the signal processing screens. This includes the Preamp,
Gate, Ducker, PEQ, GEQ, Compressor, Delay, FX
parameters and more.
Routing – Follows the active Sel key or button to open the
routing assignment screens.
Channel – Follows the active Sel key or button to open a
virtual ‘fader strip’ on screen. This replaces the physical
faders of the other Qu mixer models. It provides a way to
work with the faders when not mixing using an iPad.
The Channel screen presents tabs and Sel buttons to access
any Qu input or output channel, and the DCA and Mute
Group masters.
You can also use this screen to select a different Mix, for
example to adjust monitor or FX send levels.
Qu Mixer Reference Guide 25 AP9372 iss.9
System screens - These screens provide access to the mixer setup, Qu-Drive
recording and memories:
Home – Pages of housekeeping functions including safe
Shut Down, Lock Surface, change and set up User Profile,
view Meters and RTA, and work with Qu-Drive stereo and
multitrack recording and playback.
FX – View, load and set up the 4 internal effects units. The
Back Panel view lets you patch each unit as inserted or
send/return. These can provide reverbs, delay and
modulation effects types.
Scenes – Name, store and recall to/from 100 Scene
memories. You can block selected parameters from scene
recall by setting a global as well as per-scene Filters. You
can protect selected channels from recall by making them
Safe.
Setup – Access menus to configure Qu-Pac. Includes PAFL
options, Talkback, Signal Generator, Custom Sel keys,
SoftKeys, Network, MIDI, Output Patching and more. You
can transfer Scene, Library and Show data to a USB storage
device, calibrate the screen, format a USB drive for
recording, and update the mixer firmware.
Press and hold the Setup key and turn the screen Rotary for
the dimmer function to adjust screen and indicator
brightness.
Copy/Paste/Reset keys - These let you copy or reset processing or mix
parameters. To copy – Hold down the Copy key and press the key associated with
the parameters you wish to copy. Then hold down the Paste key and press Sel key
(for processing) or Mix key (for send levels, pan and assign) of the channel or mix to
copy to. To Reset – Hold down the Reset key and press an associated key:
+ Input strip Sel key = HPF, Gate, PEQ, Comp, Delay
+ Mix strip Sel key = PEQ, GEQ, Comp, Delay
+ Mix key = Send levels, Pans, Assign
+ touch Scene item in list = Scene name and contents
Copy/Reset of Mix does not affect the Pre/Post fader
settings.
Custom Select keys - 16 Sel keys can be user assigned for quick access to
any combination of channels, masters or DCAs. For example, assign only those that
you are using for your show. Space is provided for a label strip. Assign these keys
using the Setup / Control / Custom Sel screen.
SoftKeys - 15 SoftKeys can be user assigned for quick access to various
functions such as mutes, tap tempo, scene recall and navigation, Qu-Drive transport
control, PAFL clear or Talk. Default is keys 1-4 assigned as Mute Groups 1-4, and
key 15 assigned as Talk for talkback to stage. Assign these keys using the Setup /
Control / SoftKeys screen.
ST3 Input - Convenient front panel stereo mini jack input for plugging in a local
playback source such as an iPod, phone or laptop.
Qu-Drive USB socket - For Scene, Library and Show data transfer, and also for
stereo or 18-track multitrack recording direct to a USB storage device.
Qu-Drive audio recording and multitrack playback require the USB storage
device to support high sustained transfer rates. Not all USB devices will guarantee
flawless performance. To find out more please refer to the ‘Understanding Qu-Drive
and USB’ document in the Qu Knowledgebase on the Allen & Heath web site.
Phones - Level trim and standard ¼” jack socket for plugging in headphones to
listen to the mixer PAFL (monitor) signal.
Alt Out - Level control for the stereo ‘alternative’ local output available on the rear
panel. The source to this output is patched using the Setup / Output Patch /
Surface screen. For example you could access a stereo Matrix output here.
Qu Mixer Reference Guide 26 AP9372 iss.9
8. Note on Qu-SB
Please refer to the Qu-SB Getting Started Guide AP10287 for an operational
overview of the mixer. The guide can be downloaded from the Allen & Heath
website.
The following chapters reference the Qu-16, Qu-24, Qu-32 and Qu-Pac
Touchscreens. However the functions listed are also available on Qu-SB and can be
controlled via the Qu-Pad iPad app, often with a similar menu structure. Refer to the
embedded Qu-Pad Help for information on using the app.
9. Processing and Mix Functions
9.1 Channel Naming
Qu channels, FX, mixes and groups can be named using the screen keypad by touching the pencil icon.
The following can be named: Mono input channels, Stereo input channels, FX Returns, FX Sends, Mix,
LR, Groups, Matrix, Mute Groups, DCA Groups.
Channel names
The name is displayed at the top left of the
Processing and Routing screens. The name can be
edited from the Processing screen.
The pencil icon appears when the name is blank. All
names are cleared when the Qu mixer is reset or the
‘Reset Mix Settings’ scene is recalled.
Touch the name box to open the screen keypad and
edit the name.
Names can have up to 6 characters.
Touch the Shift button to type in an uppercase
character. Touch the button twice for Caps Lock.
Mute and DCA Group names
Open the Routing screen Fn key Mute/DCA page to
view the Mute and DCA Group masters. Their names
are displayed.
Touch a name box to open the screen keypad and edit
the name.
Names in Qu-Pad, Qu-Control and QuYou apps
Names stored in the Qu mixer are displayed in the QuPad, Qu-Control and Qu-You apps. These can also be
edited within the Qu-Pad app.
Names and Scene memories
Names are stored as part of the Qu mixer Scene
memories.
You can block or allow names in Scene recall using
the Global and per scene Filters. Three filter items
affect names:
Input/FX Names – CH, ST, Groups and FX Returns
Output Names – FX Sends, Mix, LR, Matrix
Mute/DCA Grp Masters – Mute and DCA names
Qu Mixer Reference Guide 27 AP9372 iss.9
9.2 Channel Processing
User Library – Store your own settings.
Factory Library – Provides a starting
point for mixing.
The SuperStrip provides familiar, analogue feel, one function per knob control of channel and mix master
processing such as equalisers and dynamics. The Touch Screen displays the parameter values and
provides additional related controls while in the Processing screen. This processing is accessed using
the fader strip Sel keys. The Qu-Pac does not have the physical controls.
The following processing is available:
Mono input CH = Source, Preamp, HPF, Gate, PEQ, Comp, Delay, Ducker, Stereo Linking
Stereo input ST1-3 = Source, Preamp, HPF, Gate, PEQ, Comp, Delay, Ducker
FX Return 1-4 = FX parameters, PEQ
Groups (not Qu-16) = Parametric EQ, Graphic EQ, Comp, Delay, Ducker
Mix1-10, LR = Parametric EQ, Graphic EQ, Comp, Delay
Matrix (not Qu-16) = Parametric EQ, Graphic EQ, Comp, Delay
9.3 Working with the Processing:
Press a fader strip Sel key. The Processing Block
controls become active for that channel.
Press the Processing key to work with the parameters
using the Touch Screen.
Touch the top part of the Touch Screen to open the
tabs for the available processing blocks.
View values in the lower part of the screen. Touch
screen buttons and use the screen rotary to adjust
parameter values.
9.4 Working with Processing Libraries:
Press the ‘Library’ Fn key to open and close the related
Library page.
Use the left hand list for individual processing libraries
or the right hand list for complete input channel
processing libraries including the preamp.
Store - Touch ‘Store New’. Enter a name using the
screen keypad to store a new User Library. You can
store up to 128 Libraries.
Qu Mixer Reference Guide 28 AP9372 iss.9
Recall - Highlight a library item and touch ‘Recall’ to
instantly recall its settings. Turn on ‘Recall Preamp’ if
you want to recall the preamp settings.
Edit – Highlight a library item and touch ‘Overwrite’ to
overwrite an existing library with the current settings, or
‘Delete’ to delete it from the list. Touch the ‘Name’ box
to edit its name.
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