ZED-10 USER GUIDE
Publication AP7880
CONTENTS
Warranty....................................................................... 4
Conformity Statement................................................ 5
Safety Instructions....................................................... 6
Packed Items Checklist .............................................. 9
Introduction to ZED-10............................................. 10
Specifications ................................................................ 12
Dimensions ................................................................... 13
Block Diagram.............................................................. 14
Mono Input Channel 1&2 .......................................... 15
Mono Input Channel 3&4 (GTR I/P)........................ 18
Stereo Input Channel 1.............................................. 19
Stereo Input Channel 2.............................................. 21
Master Section ............................................................. 22
USB Connection.......................................................... 24
Application Drawing—Live Mixing .......................... 25
Application Drawing—Studio Recording ............... 26
Application Drawing—Using USB for effects (1).. 27
Application Drawing—Using USB for effects (2).. 28
Wiring Information ..................................................... 29
Product Support .......................................................... 30
Allen & Heath 3 ZED-10 User Guide
WARRANTY
Limited One Year Warranty
This product is warranted to be free from defects in materials or
workmanship for period of one year from the date of purchase by the
original owner.
To ensure a high level of performance and reliability for which this
equipment has been designed and manufactured, read this User Guide
before operating. In the event of a failure, notify and return the defective
unit to ALLEN & HEATH Limited or its authorised agent as soon as
possible for repair under warranty subject to the following conditions
Conditions Of Warranty
The equipment has been installed and operated in accordance with the
instructions in this User Guide.
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.
Any necessary adjustment, alteration or repair has been carried out by
ALLEN & HEATH or its authorised agent.
The defective unit is to be returned carriage prepaid to ALLEN & HEATH
or its authorised agent with proof of purchase.
Units returned should be packed to avoid transit damage.
In certain territories the terms may vary.
Check with your ALLEN & HEATH agent for any additional warranty
which may apply.
http://www.allen-heath.com
Allen & Heath 4 ZED-10 User Guide
EMC & SAFETY
This product complies with the European Electro magnetic
Compatibility directives 89/336/EEC & 92/31/EEC and the European
Low Voltage Directives 73/23/EEC & 93/68/EEC.
This product has been tested to EN55103 Parts 1 & 2 1996 for use
in Environments E1, E2, E3, and E4 to demonstrate compliance with
the protection requirements in the European EMC directive 89/336/
EEC. During some tests the specified performance figures of the
product were affected. This is considered permissible and the
product has been passed as acceptable for its intended use. Allen &
Heath has a strict policy of ensuring all products are tested to the
latest safety and EMC standards. Customers requiring more
information about EMC and safety issues can contact Allen & Heath.
NOTE: Any changes or modifications to the console not approved
by Allen & Heath could void the compliance of the console and
therefore the users authority to operate it.
ZED-10 User Guide AP7880 Issue 1
Copyright © 2009 Allen & Heath Limited. All rights reserved
Allen & Heath Limited
Kernick Industrial Estate, Penryn, Cornwall, TR10 9LU, UK
http://www.allen-heath.com
Allen & Heath 5 ZED-10 User Guide
SAFETY INSTRUCTIONS
WARNING - Read the following before proceeding :
CAUTION
ATTENTION: RISQUE DE CHOC ELECTRIQUE – NE PAS OUVRIR
WARNING: This equipment must be earthed.
!
Read instructions: Retain these safety and operating instructions for future
Do not remove cover: Operate the console with its covers correctly fitted.
Power sources: Connect the console to a mains power unit only of the
Power cord routing: Route the power cord so that it is not likely to be walked
reference. Adhere to all warnings printed here and on
the console. Follow the operating instructions printed in
this User Guide.
type described in this User Guide and marked on the
rear panel. Use the power cord with sealed mains plug
appropriate for your local mains supply as provided
with the console. If the provided plug does not fit into
your outlet consult your service agent for assistance.
on, stretched or pinched by items placed upon or
against it.
Grounding: Do not defeat the grounding and polarisation means of
the power cord plug. Do not remove or tamper with the
ground connection in the power cord.
Allen & Heath 6 ZED-10 User Guide
SAFETY INSTRUCTIONS
Water and moisture: To reduce the risk of fire or electric shock do not ex-
pose the console to rain or moisture or use it in damp
or wet conditions. Do not place containers of liquids on
it which might spill into any openings.
Ventilation: Do not obstruct the ventilation slots or position the con-
sole where the air flow required for ventilation is impeded. If the console is to be operated in a rack unit or
flightcase ensure that it is constructed to allow adequate ventilation.
Heat and vibration: Do not locate the console in a place subject to exces-
sive heat or direct sunlight as this could be a fire hazard. Locate the console away from any equipment
which produces heat or causes excessive vibration.
Servicing: Switch off the equipment and unplug the power cord
immediately if it is exposed to moisture, spilled liquid,
objects fallen into the openings, the power cord or plug
become damaged, during lightening storms, or if
smoke, odour or noise is noticed. Refer servicing to
qualified technical personnel only.
Installation: Install the console in accordance with the instructions
printed in this User Guide. Do not connect the output of
power amplifiers directly to the console. Use audio
connectors and plugs only for their intended purpose.
Important Mains plug wiring instructions
The console is supplied with a moulded mains plug fitted to the AC mains power lead.
Follow the instructions below if the mains plug has to be replaced. The wires in the
mains lead are coloured in accordance with the following code:
TERMINAL WIRE COLOUR
European USA/Canada
LIVE BROWN BLACK
L
NEUTRAL BLUE WHITE
N
EARTH GND GREEN & YELLOW
E
The wire which is coloured Green and Yellow must be connected to the terminal in the plug
which is marked with the letter E or with the Earth symbol. This appliance must be earthed.
The wire which is coloured Blue must be connected to the terminal in the plug which is
marked with the letter N.
The wire which is coloured Brown must be connected to the terminal in the plug which is
marked with the letter L.
Ensure that these colour codes are followed carefully in the event of the plug being changed.
Allen & Heath 7 ZED-10 User Guide
GREEN
8
SAFETY INSTRUCTIONS
General Precautions:
Damage : To prevent damage to the controls and cosmetics
Environment : Protect from excessive dirt, dust, heat and vibra-
Cleaning : Avoid the use of chemicals, abrasives or solvents.
Transporting : Protect the controls from damage during transit.
avoid placing heavy objects on the control surface, scratching the surface with sharp objects, or
rough handling and vibration.
tion when operating and storing. Avoid tobacco
ash, smoke, drinks spillage, and exposure to rain
and moisture. If the console becomes wet, switch
off and remove mains power immediately. Allow to
dry out thoroughly before using again.
The control panel is best cleaned with a soft brush
and dry lint-free cloth. The faders, switches and
potentiometers are lubricated for life. The use of
electrical lubricants on these parts is not recommended. The fader and potentiometer knobs may
be removed for cleaning with a warm soapy solution. Rinse and allow to dry fully before refitting
them.
Use adequate packing if you need to ship the unit.
Hearing : To avoid damage to your hearing do not operate
any sound system at excessively high volume.
2
Allen & Heath 8 ZED-10 User Guide
This applies particularly to close-to-ear monitoring
such as headphones and in-ear systems. Continued exposure to high volume sound can cause
frequency selective or wide range hearing loss.
PACKED ITEMS
Check that you have received the following:
O/P Level
MAIN MIX
Left
Left
Switch
Right
Right
Left
USB
USB IN L
Right
USB IN R
PLAYBACK TO
LR
MAIN
MIX
AUX
PLAYBACK
LEVEL
Record
Bus
Aux-FX
00
+6
0
+10
AUX MIX
AUX
FX
OUT
OUT
+16
+9
+6
+3
0
-3
-6
-9
-12
0
-16
LEVEL
-20
-30
+10
LR
Phones
Mix
Monitor
Source
0
LEVEL
+10
Record
LEVEL
Aux
+6
PHONES SELECT
Playback
0
+10
Phones
MAIN MIX
LEVEL
Mic Mic Mic
Mic
Line
Line
GTR 1
Hi Z
0
0
0
20
40
20
40
20
GAIN
- 10 10
60
HPF
HF
-15
650
500
200
f
120
4k
MID
-15 +15
LF
-15 +15
FX
AUX
PAN
LR
LEVEL
Record
Listen
40
GAIN
GAIN
40
40
40
- 10 10
60
- 10 10
60
LM
LM
GM
HPF HPF HPF
HF
HF
-15
-15
+15
+15
+15
650
650
500
500
1k
1k
1k
200
200
2k
2k
f
f
3k
3k
120
120
4k
4k
MID
MID
-15 +15
-15 +15
LF
LF
-15 +15
-15 +15
FX
FX
0
0
+6
+6
+6
AUX
AUX
0
0
+6
+6
+6
PAN
PAN
LR
LR
0
00000
LEVEL LEVEL LEVEL LEVEL LEVEL
+10
+10
+10
Record Record Record Record Record
Listen
Listen
Left
Right
GTR 2
Hi Z
Left
-15
2k
HF
-15
LF
-15
FX
0
AUX AUX
0
BAL B AL
LR
Left
Right
Right
0
0
5
5
-15
+15
+15
HF
-15
+15
+15
LF
-15
+15
+15
FX
0
0
+6
+6
0
0
+6
+6
LR
+10
+10
0
20
GAIN
- 10 10
60
HF
-15
+15
650
500
1k
200
2k
f
3k
120
4k
MID
-15 +15
LF
-15 +15
FX
0
+6
AUX
0
+6
PAN
LR
+10
Listen Listen Listen
40
40
GM
3k
ZED-10 MIXER
Mains Lead
This User Guide!
Check that the correct
mains plug is fitted.
Allen & Heath 9 ZED-10 User Guide
INTRODUCTION TO THE ZED-10
Background Overview:
The Allen & Heath ZED series mixers have been carefully and lovingly designed in the beautiful county of Cornwall in the UK and are manufactured alongside a wide range of professional audio mixing consoles to the same high standards. Many of the components used in
ZED-10 and ZED-10FX are exactly the same as in the larger Allen & Heath products and the
construction methods are also very similar — utilising individual vertically mounted channel
circuit boards with each rotary control fixed with a metal nut to the front panel. This provides a very robust product that will resist damage and give years of reliable use. It also
makes servicing much easier should it be required, with the ability to remove one particular
channel from the mixer at a time. The vertical board construction method is unique in a
product at this price point and puts the ZED-10 and ZED-10FX in a truly professional class
of their own.
The audio circuitry is based on years of continual development and refinement , the performance of all the elements within the mixer is scrutinised and perfected to ensure the very best
sound quality possible.
Multi-application:
ZED’s are great for live mixing! Their layout makes them very easy to use and easy to
achieve a great sound. They are also perfect for recording, either a live show or an audio
project at home can be built up track by track using the USB digital audio interface. The flexibility and quality of these mixers make them stand out from the crowd. You can plug your
guitars or instruments straight into the class A discrete FET high impedance inputs, cater for
up to four microphones, two stereo sources with MP3 player compatibility, separate 2-track
record outputs and a stereo playback input for 2-track replay or perhaps interval music from
a CD player, XLR main stereo outputs with inserts, comprehensive monitoring with headphones and separate monitor speaker outputs, 48V microphone phantom power, DI level
switching for sub mixing, and not least of all, on the ZED-10FX model, the same digital effects algorithms as those used on our flagship digital consoles costing 150 times as much!
All this and the ability to withstand life being gigged night after night—there is nothing else
like it at this price point.
ZED mixers are also ideal for teaching establishments, houses of worship, hotels and conference centres where their ease of use and robust qualities make them a top choice.
Mic/Line Pre-amps:
Based on the pre-amps from the MixWizard series, the ZED-10 & ZED-10FX pre-amps use
low noise discrete transistor circuitry to achieve high gain (60dB max), low noise and good
linearity.
GTR/Hi Z Inputs:
Specially designed for ZED-10 and ZED-10FX, two ultra high impedance discrete class A FET
(Field Effect Transistor) inputs for plugging any kind of guitar or instrument straight in. A
26dB gain boost switch allows instruments with very low output pickups to be used, and the
FET does a great job of approximating the valve/tube input circuitry commonly found on
instrument combos or amplifiers.
Allen & Heath 10 ZED-10 User Guide
INTRODUCTION TO THE ZED-10
EQ:
The ZED-10 and ZED-10FX mixers are equipped with a 3-band equaliser circuit on each
mono input, with swept mid frequency section, and a 2-band EQ on the stereo channels. The
frequency and response of each has been carefully chosen to give the maximum performance
when using the EQ on a variety of sources.
Record Bus:
A separately switched stereo bus can be routed to from any channel creating a selective
recording bus, monitoring bus or stereo clean feed output. You can even route just the effects processor output to this bus and use the mixer as a high end effects unit.
USB:
Getting audio to and from a computer easily is now a common requirement for live sound
and music production. The way we have implemented this on ZED is super-flexible and super-easy! No longer do you need to fiddle around the back of your computer to get to the
soundcard inputs, only to find that the levels are all wrong and noisy. Just plug in a USB lead
to your ZED, select the USB routing on the mixer and the device on your computer and
that’s it! CD quality audio to and from your PC or MAC.
Internal power supply:
Not a “wall wart” - a proper built in power supply specifically designed and based on totally
reliable technology.
Allen & Heath 11 ZED-10 User Guide
SPECIFICATIONS
Operating Levels
Input
Mono channel (XLR) Input -10 to –60dBu for nominal (+11dBu in max)
Mono channel Line Input (Jack socket) +10 to –40dBu (+31dBu maximum)
Stereo Input (Jack or phono sockets) 0dBu nominal (control = Off to +15dB)
Output
L/R Outputs ( XLR) Normal/DI out 0dBu/-30dBu +21dBu/-9dBu maximum.
Aux & FX Outputs (Jack sockets) 0dBu nominal. +21dBu maximum.
Record & Monitor Outputs (phono sockets) 0dBu nominal. +21dBu maximum.
Frequency Response
Mic in to Mix L/R Out, 30dB gain +0.5/-1dB 10Hz to 30kHz.
Line in to Mix L/R out 0dB gain +0.5/-1dB 10Hz to 25kHz
Stereo in to Mix L/R out +0.5/-1dB 10Hz to 30kHz
THD+n
Mic in to Mix L/R Out, 10dB gain 1kHz +10dBu out 0.002%
Mic in to Mix L/R Out, 30dB gain 1kHz 0.01%
Line in to Mix L/R out 0dB gain 0dBu 1kHz 0.003%
Stereo in to Mix L/R out 0dB gain +10dBu 1kHz 0.002%
Gtr Input to Mix L/R Out, 0dBu, Boost OUT 0.015%
Gtr Input to Mix L/R Out, 0dBu, Boost IN 2% Second Harmonic
Headroom
Analogue Headroom from nominal (0Vu) 21dB
USB in & out headroom from nominal (0Vu) 14dB
Noise
Mic Pre EIN @ max gain 150R input Z 22-22kHz -127dBu
Mix L/R out, L/R faders = 0, Levels min, 22-22kHz -96dBu
Mix L/R out, L/R faders = 0, Levels min, 22-22kHz -96dBu
USB Audio CODEC (Coder/Decoder)
USB Audio In/Out USB 1.1 compliant 16bit.
Sample Rate 32, 44.1, or 48kHz
Allen & Heath 12 ZED-10 User Guide
DIMENSIONS
O/P Level
Left
Right
MAIN MIX
Left
Right
USB IN L
USB IN R
PLAYBACK TO
AUX
Left
Switch
Right
USB
Record
Bus
Aux-FX
LR
MAIN
LEVEL
MIX
AUX MIX
LEVEL
00
+6
0
+10
PLAYBACK
LEVEL
Monitor
Source
MAIN MIX
AUX
FX
OUT
OUT
+16
+9
+6
+3
0
-3
-6
-9
-12
0
-16
-20
-30
+10
LR
Phones
Mix
0
LEVEL
+10
Record
Aux
+6
PHONES SELECT
Playback
0
+10
Phones
LEVEL
Mic Mic Mic
Mic
Line
Line
GTR 1
Hi Z
0
0
20
GAIN
- 10 10
HF
-15
650
500
200
f
120
MID
-15 +15
LF
-15 +15
FX
AUX
PAN
LR
LEVEL
Record
0
40
20
40
20
40
GAIN
GAIN
40
40
60
LM
HPF
+15
1k
2k
3k
4k
0
+6
0
+6
0
+10
Listen
40
- 10 10
60
- 10 10
60
LM
GM
HPF HPF HPF
HF
HF
-15
-15
+15
+15
650
650
500
500
1k
1k
200
200
2k
2k
f
f
3k
3k
120
120
4k
4k
MID
MID
-15 +15
-15 +15
LF
LF
-15 +15
-15 +15
FX
FX
0
0
+6
+6
AUX
AUX
0
0
+6
+6
PAN
PAN
LR
LR
00000
LEVEL LEVEL LEVEL LEVEL LEVEL
+10
+10
Record Record Record Record Record
Listen
Listen
Left
Right
GTR 2
Hi Z
GAIN
MID
LF
FX
AUX
PAN
0
20
40
40
- 10 10
60
GM
0
HF
-15
-15
+15
650
500
1k
200
2k
f
HF
3k
120
4k
-15
LF
-15 +15
-15
-15 +15
FX
0
+6
AUX AUX
0
+6
BAL BAL
LR
LR
+10
Listen Listen Listen
Left
Left
Right
Right
0
5
5
-15
+15
+15
HF
-15
+15
+15
LF
-15
+15
+15
FX
0
0
+6
+6
0
0
+6
+6
LR
+10
+10
336mm (13.2 inches)
95mm (3.7 inches)
275mm (10.8 inches)
Weight
ZED-10
Unpacked 3.2kg (7 lb)
Packed 4.4kg (9.7 lb)
Allen & Heath 13 ZED-10 User Guide
BLOCK DIAGRAM SCHEMATIC
PLAYBACK
R
L
AUDIO
INPUT
L
USB
R
ST2
R
L
AUDIO
INPUT
L
USB
R
STEREO CHANNEL 2
PLAYBACK
INPUT
R
STEREO CHANNEL 1
ST1-a
L
ST1-b
R
L
GAIN
STEREO CHANNEL
PLAYBACK
PLAYBACK
LEVEL
PLAYBACK
TO AUX
FX
AUX
PFL ACTIVE
2 BAND EQUALISER
LF
HF
BAL
PFL
RECORD
INSTRUMENT IN
GAIN BOOST
HI-Z DI
MONO CHANNELS 3&4
LINE IN
MIC IN
CLASS A
FET
MONO CHANNELS 1&2
+
-
100Hz
LF
HM H F
PAN
FX
AUX
Phantom Power
GAIN
MONO CHANNEL
HPF
3 BAND EQUALISER
LEVEL
PFL
RECORD
L
R
FX
AUX
REC L
REC R
PFL
ZED 10 BLOCK DIAGRAM
MASTER LEVEL
AUX MIX
PLAYBACK
INPUT
FOLLOW MIX
PRIORITY SWITCHING
RECORD BUS
PLAYBACK
PFL ACTIVE
MONITOR LEVEL
MONITOR OUTPUTS
HEADPHONES
R
L
AUX
PFL/AFL
PHONES
LEVEL
METERS
PRIORITY SWITCHING
RECORD BUS
AUX-FX
USB AUDIO
OUTPUT
INPUT
USB DEVICE
USB 1 STEREO I/O
RECORD OUT
0dBu NOMINAL
FX OUT
R
AUX OUT
L
R
LEFT INSERT
RIGHT INSERT
MAIN LR
LEVEL
MAIN OUT
L
Allen & Heath 14 ZED-10 User Guide
Phantom Power
48V To Mics
MONO INPUT CHANNEL 1 & 2
Mic Input Socket
Standard 3-Pin XLR socket wired as Pin 1=Chassis, Pin 2=hot
(+), Pin 3=Cold (-).
Line Input Jack Socket
Mic
Line
Standard 1/4” (6.25mm) Jack socket for balanced or unbalanced
line level signals. Wired Tip=Hot(+), Ring=cold (-),
Sleeve=Chassis.
The Line input connects to the XLR input through a circuit, so
be aware that the two signals will add together if both inputs
are plugged in simultaneously.
0
20
GAIN
- 10 10
HF
-15
500
200
f
120
MID
-15 +15
LF
-15 +15
650
40
60
HPF
+15
1k
4k
Gain Control
This adjusts the gain of the input amplifier to match the signal
level of the source. The gain is varied from +10dB to +60dB for
signals plugged in to the xlr socket (Mic Input) and –10dB to
40
LM
+40dB for signals plugged into the Line input jack.
100Hz Hi-pass Filter
The Hi-pass filter is used for reducing pop noise and rumble
from microphone signals. It is a single pole (6dB per octave)
filter with a corner frequency set at 100Hz.
The filter affects signals from both Mic XLR and Line jack
socket.
dBr
2k
3k
5.00
0.00
-5.00
-10.00
-15.00
-20.00
10.00 Hz 100.00 1000.00 10000.00
Allen & Heath 15 ZED-10 User Guide
L
MONO INPUT CHANNEL 1 & 2
HF
HF EQ
The HF (High Frequency) equaliser affects the frequency response of the higher audible frequencies. The corner fre-
-15
500
200
f
120
MID
-15 +15
LF
650
+15
1k
2k
3k
4k
quency of 12kHz is around 3dB from the maximum cut or
boost of the circuit. It has plenty of gain and actually gives
slightly more that the +/-15dB legend suggests.
dBr
20.00
15.00
10.00
5.00
0.00
-5.00
-10.00
-15.00
-20.00
10.00 Hz 100.00 1000.00 10000.00 30000.00
MF EQ
-15 +15
FX
0
The MF (Mid Frequency) equaliser affects the middle of the
audible frequency range. The frequency graduations on the
sweep control are the centre frequencies of the EQ. The
range has been carefully chosen to cover “boomy” frequencies around 120Hz to 250Hz which may need cutting back, or
a lift at 2 to 3kHz may be required for microphone intelligibility.
dBr
20.00
15.00
10.00
5.00
0.00
-5.00
-10.00
-15.00
-20.00
10.00 Hz 100.00 1000.00 10000.00 30000.00
AUX
PAN
LEVEL
+6
0
+6
LR
0
LF EQ
The LF (Low Frequency) equaliser affects the response at the
+10
Record
Listen
Allen & Heath 16 ZED-10 User Guide
low end of the audio range. The graph shows the response of
the LF EQ at maximum cut and boost. The corner frequency
is 80Hz.
dBr
20.00
15.00
10.00
5.00
0.00
-5.00
-10.00
-15.00
-20.00
10.00 Hz 100.00 1000.00 10000.00 30000.00
L
HF
f
MID
LF
FX
AUX
PAN
LEVEL
-15
650
500
200
120
4k
-15 +15
-15 +15
LR
Record
MONO INPUT CHANNEL 1 & 2
FX send
This controls the level of signal that is sent to the effects
+15
1k
2k
3k
0
+6
0
+6
0
+10
bus and FX output from the channel. The signal is postlevel which means it is affected by the channel Level control
(so it stays in proportion to the signal going to Mix) and the
send control has 6dB gain fully clockwise.
There is no master level control for the FX bus.
AUX send
Controls the level of signal sent to the Auxiliary output
from the channel. The signal is sourced pre-Level so is
independent of the level being sent to the main L-R Mix.
The send control has +6dB gain fully clockwise and unlike
the FX bus, there is a master level control for the Aux
output.
PAN
The pan control adjusts how the signal from the mono
input channel is shared between the left and right stereo
buses and subsequently the main stereo outputs. Set to the
mid position, equal amounts of signal are fed to left and
right, with pan set to L, none is sent to the Right bus.
LEVEL
The rotary Level or fader controls the amount of signal to
the left & right buses, Record bus and to the FX send control. There is 10dB of gain fully clockwise and the unity
gain position is marked by “0”.
Record
Switches the channel signal to a separate stereo bus called
Record. The Pan and Level controls affect the Record signal
and the channel Mix L-R signal remains unaffected by this
switch.
Listen
Switches the channel signal to the headphones or monitor
output circuit for checking the channel signal. Takes the
signal after the EQ but before the Level control (so you can
check the signal before adding it to Mix or Record)
Allen & Heath 17 ZED-10 User Guide
Listen
T
G
V
MONO INPUT CHANNEL 3 & 4
Hi Z input
The only difference between mono inputs 1-2 and 3-4 is
the Hi Z inputs for guitars or other instruments.
Standard 1/4” (6.25mm) Jack socket for unbalanced line
level signals or instrument pickups. Wired Tip=Hot(+),
Mic
GTR 1
Hi Z
0
20
GAIN
- 10 10
Gain Boost
A recessed switch on the rear panel allows the HI Z input to be boosted by 26dB, useful
for instruments with weak pickups or where more overdrive is required. When the XLR
is being used or for normal line level signals (like keyboards)—make sure the switch is in
the OUT position.
40
40
60
HPF
G
Hi
GM
4.35
2.18
0.00
-2.18
-4.35
Ring=cold (-), Sleeve=Chassis.
The Hi Z input connects to the XLR input through a circuit, so be aware that the two signals will add together if
both inputs are plugged in simultaneously.
The Hi Z input can be used with normal line level signals
but is designed specifically to match signals from instrument
pickups. The input impedance is extremely high (10Mohms)
and a FET (Field Effect Transistor) running in Class A mode
emulates the type of circuits used in valve guitar combos or
head amplifiers. The input circuit has soft asymmetric overdrive characteristics, giving a warm 2nd harmonic character
to the sound if required.
Hi Z Input GAIN BOOST OUT Hi Z Input GAIN BOOST IN
V
4.35
2.18
0.00
-2.18
0.00 ms 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 1.99
-4.35
0.00 ms 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1. 60 1.80 1.99
Main Output Level
0dBu
-30dBu
OFF
ON
0
I
AC MAINS IN ~
ENGINEERED IN ENGLAND BY ALLEN & HEATH LIMITED. MADE IN CHINA
100 - 240V~ 47-63Hz 15W
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
AVIS: RISQUE DE CHOC ELE CTRIQUE - NE PAS O UVRIR.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
WARNING: THIS APPARATUS MUST BE EARTHED
CET APPAREIL DOIT ETRE MIS A LA TERRE
Guitar input gain switches
Serial No.
Unity gain
High gain (+26dB)
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful int erference, and
(2) this device must accept any interference received,
including interference that ma y cause undesired operation.
ALLEN&HEATH
Laite on liitettävä suojamaad oituskoskettimilla varustett uun pistorasiaan
Apparatet må tilkoples jordet stikkontakt
Apparaten skall anslutas till jordat uttag
Allen & Heath 18 ZED-10 User Guide
STEREO INPUT CHANNEL 1
ST-1b Inputs
Standard RCA Phono sockets for unbalanced line level
Left
Right
Left
Right
stereo signal sources from equipment such as CD
players, sound modules or MP3 players. If your MP3
player has a mini jack socket (most common) use a
stereo mini jack plug to 2 x RCA Phono lead.
ST-1a Inputs
Standard 1/4” jack sockets for line level stereo signals.
The ST1b inputs (RCA Phono) are connected through
the break contacts of these jack sockets so plugging
into ST1a will override the signals from ST1b.
ST-1 Gain
Adjusts the input level to the ST1 channel from off
(maximum attenuation) to +15dB gain. For low level
inputs from MP3 players, turn it fully clockwise.
Stereo EQ
High frequency and low frequency equaliser with corner frequencies of 12kHz for the HF and 80Hz for the
LF and maximum cut & boost of 15dB.
dBr
20.00
15.00
10.00
5.00
0.00
-5.00
-10.00
-15.00
-20.00
10.00 Hz 100.00 1000.00 10000.00 30000.00
-15
HF
LF
0
5
+15
-15
+15
-15
+15
Stereo channel EQ
Allen & Heath 19 ZED-10 User Guide
STEREO INPUT CHANNEL 1
HF
-15
LF
-15
FX
AUX
BAL
LEVEL
+15
+15
0
+6
0
+6
LR
0
+10
Record
Listen
FX send
This controls the level of signal that is sent to the effects
bus and FX output from the stereo channel. The signal is
post-level which means it is affected by the channel Level
control (so it stays in proportion to the signal going to Mix)
and the send control has 6dB gain fully clockwise.
There is no master level control for the FX bus.
AUX send
Controls the level of signal sent to the Auxiliary output
from the stereo channel. The signal is sourced pre-Level so
is independent of the level being sent to the main L-R Mix.
The send control has +6dB gain fully clockwise and unlike
the FX bus, there is a master level control for the Aux
output.
Balance
The balance control adjusts the relative level between the
left and right stereo signals as they are sent to the stereo
buses and subsequently the main stereo outputs. Set to the
mid position, equal amounts of signal are fed to left and
right, with Bal set to L, none is sent to the Right bus.
LEVEL
The rotary Level or fader controls the amount of signal to
the left & right buses, Record bus and to the FX send control. There is 10dB of gain fully clockwise and the unity
gain position is marked by “0”.
Record
Switches the channel signal to a separate stereo bus called
Record. The Bal and Level controls affect the Record signal
and the channel Mix L-R signal remains unaffected by this
switch.
Listen
Switches the channel signal to the headphones or monitor
output circuit for checking the channel signal. Takes the
signal after the EQ but before the Level control (so you can
check the signal before adding it to Mix or Record)
Allen & Heath 20 ZED-10 User Guide
STEREO INPUT CHANNEL 2
ST-2 Input
The USB audio input is connected through the
break contacts of the standard 1/4” (6.25mm) jack
sockets. Plugging into the jacks will override the
USB input, so if you want to use the ST-2 channel
for the USB input signal, make sure nothing is
plugged into the jack sockets.
The rest of the features of the ST-2 channel
are as described for ST-1
Important Note:
If the ST-2 channel is not being used for USB play-
!
back or stereo input it is best to keep the level
controls turned down so that unwanted noise from
the inactive USB device is not passed to the mix.
Record OUT
Standard RCA phono sockets for the stereo line
level Record outputs sourced from the USB out
selector switches. Useful for connecting to stereo
recording devices, stereo mix feeds, or where selective channels are required to feed other equipment.
Playback Input
Standard 1/4” (6.25mm) jack sockets for unbalanced
line level inputs. Can be used for additional stereo
sources such as CD players for background music,
or playing back a final mix from a recording device.
The USB audio input is connected through the
break contacts of these inputs, plugging into the
jack sockets overrides the USB input.
USB OUT Source selector switches
Select the signal source for the USB audio output
and the Record output. With both switches up the
main Mix is selected. The Record Bus switch will
override the Aux-FX switch if both are pressed.
-15
Left
Right
0
Left
Right
+15
USB IN L
USB IN R
Left
Right
5
USB
LR
MAIN
MIX
Record
Bus
Aux-FX
Allen & Heath 21 ZED-10 User Guide
MASTER SECTION
Main Mix Out XLR connectors
Standard XLR output connectors for the main stereo mix. Impedance balanced to aid interference
rejection. A recessed switch on the rear panel reduces the level by 30dB if it is required to submix
these outputs into the XLR inputs of another mixer.
Main Mix Insert jack sockets
Standard 1/4” (6.25mm) jack sockets wired:
Tip = send, Ring = return, Sleeve = Chassis. Nominal
level is 0dBu.
Effects & Aux bus Outputs
Standard 1/4” (6.25mm) jack sockets wired:
Tip = hot, Ring = cold, Sleeve = Chassis. Nominal
level is 0dBu.
The FX out is the Effects bus output, and can be
used for connecting to external equipment such
as an effects processor.
The AUX out is taken from after the AUX MIX
master level control.
48v to Microphones
Switches industry standard 48v (phantom power)
to all 4 microphone inputs for use with condenser microphones.
Monitor Level
Controls the volume of the stereo monitor outputs from off (fully attenuated) to +10dB of gain.
Monitor Source switch
This allows the stereo monitor outputs (RCA
phonos) to be sourced either from the headphone
monitor selection, or from the main stereo mix.
Useful for splitting the functions of the stereo monitor outputs from the headphones.
O/P Level
Switch
LEVEL
AUX MIX
LEVEL
Monitor
Source
FX
OUT
0
+10
Phones
Mix
0
+6
LEVEL
PHONES SELECT
0
AUX
OUT
+16
+9
+6
+3
0
-3
-6
-9
-12
-16
-20
-30
LR
0
+10
Record
Aux
Playback
Aux Mix Level control
The master volume control for the Aux mix bus.
Adjusts the level from off (fully attenuated) to +6dB
+10
MAIN MIX
LEVEL
Phones
gain.
Main Mix Level
This is the master volume control for the main stereo mix. Range is from off (fully attenuated) to
+10dB of gain.
Allen & Heath 22 ZED-10 User Guide
LEVEL
Monitor
Source
AUX MIX
LEVEL
+10
Phones
Mix
+6
+10
MAIN MIX
LEVEL
0
LEVEL
0
0
+16
+9
+6
+3
0
-3
-6
-9
-12
-16
-20
-30
LR
0
+10
Record
Aux
PHONES SELECT
Playback
Phones
MASTER SECTION
Stereo Meters
12 Segment LED meters with fast attack (4mS) and
medium decay (1S).
The meters display the signals selected by the
Phones Select switches, or the mono Listen signal
(PFL) if activated by any of the Listen switches.
PFL (Pre-Fade Listen) active LED
A red LED to indicate a Listen switch has been
pressed on one of the channels.
Doing this will override the Phones select source to
the headphones and send the Listen signal to the
meters.
Headphones level
Controls the volume of signal to the headphones.
Warning ! To avoid damage to
your hearing do not operate the
headphones or sound system at
excessively high volume.
82!
Phones Source Selector switches
These switches allow you to choose what you hear
on the headphones. With all switches up the default
is the main stereo Mix, then you can choose between the Playback input (USB Input if nothing is
plugged into the jacks), the Aux bus output, or the
Record bus output. Pressing any Listen switch will
override the selection and allow you to monitor
individual channels.
Headphones Output
Standard 1/4” (6.25mm) jack socket wired Tip=Left,
Ring=Right, Sleeve=Ground.
Continued exposure to high
volume sound can cause frequency
selective or wide range hearing
loss.
Allen & Heath 23 ZED-10 User Guide
CONNECTING TO A COMPUTER
USB lead type A to B
O/P Level
Mic
Mic Mic Mic
Line
Line
GTR 1
Hi Z
0
0
0
20
40
20
40
20
GAIN
GAIN
GAIN
40
40
- 1010
60
- 10 10
60
- 1010
LM
LM
HPF
HPF HPF HPF
HF
HF
HF
-15
-15
-15
+15
+15
650
650
650
500
500
500
1k
1k
200
200
200
2k
2k
f
f
f
3k
3k
120
120
120
4k
4k
MID
MID
MID
-15 +15
-15 +15
-15 +15
LF
LF
LF
-15 +15
-15 +15
-15 +15
FX
FX
FX
0
0
+6
+6
AUX
AUX
AUX
0
0
+6
+6
PAN
PAN
PAN
LR
LR
LR
0
00000
LEVEL
LEVEL LEVEL LEVEL LEVEL LEVEL
+10
+10
Record
Record Record Record Record Record
Listen
Listen
Listen
GTR 2
Hi Z
40
GAIN
40
60
- 1010
GM
HF
-15
+15
1k
200
2k
f
3k
4k
MID
-15 +15
LF
-15 +15
FX
0
+6
AUX
0
+6
PAN
+10
0
20
40
40
60
GM
0
-15
+15
650
500
1k
2k
HF
3k
120
4k
-15
LF
-15
FX
0
+6
AUX AUX
0
+6
BAL BAL
LR
LR
+10
Listen Listen Listen
Left
Right
Left
Right
0
5
-15
+15
HF
-15
+15
LF
-15
+15
FX
0
+6
0
+6
LR
+10
Left
Left
Switch
Right
Right
Left
Left
USB
USB IN L
USB IN R
Right
Right
5
+15
LR
MAIN
MIX
+15
+15
0
+6
PLAYBACK TO
AUX
0
+6
MAIN MIX
+10
PLAYBACK
LEVEL
Record
Bus
Aux-FX
LEVEL
Monitor
Source
AUX MIX
LEVEL
00
+6
0
+10
MAIN MIX
LEVEL
AUX
FX
OUT
OUT
+16
+9
+6
+3
0
-3
-6
-9
-12
0
-16
-20
-30
+10
LR
Phones
Mix
0
LEVEL
+10
Record
Aux
+6
PHONES SELECT
Playback
0
+10
Phones
USB Audio Interface
The ZED is equipped with a stereo bi-directional USB 1.1 compliant audio CODEC. It is fully
compliant with USB 2 ports and uses standard Windows and MAC Core Audio Drivers. In
other words, plug it in and your computer will find it and be able to transfer audio to and
from the ZED USB device.
You will need some form of audio software running on your computer to be able to store
and play back what you record, but on a basic level, you can use your computers media
player to play straight to the ZED device.
Important Note:
If there seems to be no audio transfer between the computer and your ZED, or the level is
very low, please check the volume level setting of the Audio Device in your computers’ operating system. This may need to be set to the Max position.
Allen & Heath 24 ZED-10 User Guide
APPLICATION DRAWING—LIVE MIXING
Allen & Heath 25 ZED-10 User Guide
APPLICATION DRAWING—STUDIO RECORDING
Allen & Heath 26 ZED-10 User Guide
APPLICATION DRAWING—USING USB FOR EFFECTS LOOP-1
A simple way to use effects processor plugins running on a computer audio application
or DAW is to use the USB audio connection and select the Aux-FX as the output
source. In the audio application route the FX signal (USB Right) to a track or bus containing the effects plugin and route the track/bus output back to the ZED (USB audio
device). In the ZED-10 you can return the effects to either the Playback input or the ST2
input, here the Playback input is used.
The effects send on the channel will control
the amount of signal to the FX processor
(in proportion with the Level control).
The Playback Level will control the amount
of effects signal gets added to the mix.
USB connection
Input signal
Effects return
USB IN L
USB IN R
PLAYBACK TO
AUX
O/P Level
Left
Switch
Right
USB
Record
Bus
Aux-FX
LR
MAIN
LEVEL
MIX
Monitor
Source
AUX MIX
LEVEL
00
+6
0
+10
PLAYBACK
LEVEL
MAIN MIX
LEVEL
FX
AUX
OUT
OUT
+16
+9
+6
+3
0
-3
-6
-9
-12
0
-16
-20
-30
+10
LR
Phones
Mix
0
LEVEL
+10
Record
Aux
+6
PHONES SELECT
Playback
0
+10
Phones
USB out =
Aux-FX
Effects to
Mix Master
Effects
send
Dry sig-
nal to
Mix
Mic Mic Mic
Mic
Line
Line
GTR 1
Hi Z
0
0
20
GAIN
- 10 10
60
HPF
HF
-15
+15
650
500
1k
200
f
120
4k
MID
-15 +15
LF
-15 +15
FX
+6
AUX
+6
PAN
LR
LEVEL
+10
Record
Listen
0
40
20
40
20
GAIN
40
LM
HF
2k
3k
MID
LF
FX
0
AUX
0
PAN
0
LEVEL LEVEL LEVEL LEVEL LEVEL
40
GAIN
- 10 10
60
- 10 10
60
40
40
LM
GM
HPF HPF HPF
HF
-15
-15
+15
+15
650
650
500
500
1k
1k
200
200
2k
f
2k
f
3k
3k
120
120
4k
4k
MID
-15 +15
-15 +15
LF
-15 +15
-15 +15
FX
0
0
+6
+6
AUX
0
0
+6
+6
PAN
LR
LR
00000
+10
+10
Record Record Record Record Record
Listen
Listen
GTR 2
Hi Z
0
20
40
GAIN
- 10 10
60
40
GM
HF
-15
-15
+15
650
500
1k
200
2k
f
HF
3k
120
4k
MID
LF
-15 +15
LF
-15 +15
FX
FX
0
+6
AUX AUX
AUX
0
+6
BAL BAL
PAN
LR
+10
Listen Listen Listen
-15
-15
LR
Left
Right
Left
Right
0
5
+15
+15
LF
+15
FX
0
+6
0
+6
+10
-15
HF
-15
-15
LR
Left
Right
Left
Left
Right
Right
0
5
+15
+15
+15
0
+6
0
+6
MAIN MIX
+10
Level
Allen & Heath 27 ZED-10 User Guide
APPLICATION DRAWING—USING USB FOR EFFECTS LOOP-2
USB FX loop Using ST2 for Effects Return
In the audio software application add the
plugin to the track (here it’s a reverb) Try
to ensure the processor output is effect
only (no dry signal).
In the audio software create route the right
USB channel to an audio track (from FX).
Then route the track output to the USB
audio device in stereo (back to the ZED).
USB connection
Input signal
Effects return
USB IN L
USB IN R
PLAYBACK TO
AUX
O/P Level
Left
Switch
Right
USB
Record
Bus
Aux-FX
LR
MAIN
LEVEL
MIX
Monitor
Source
AUX MIX
LEVEL
00
+6
0
+10
PLAYBACK
LEVEL
MAIN MIX
LEVEL
FX
AUX
OUT
OUT
+16
+9
+6
+3
0
-3
-6
-9
-12
0
-16
-20
-30
+10
LR
Phones
Mix
0
LEVEL
+10
Record
Aux
+6
PHONES SELECT
Playback
0
+10
Phones
USB out =
Aux-FX
Do not turn
Up! Risk of
Feedback.
Effects to
Mix Master
Effects
send
Dry sig-
nal to
Mix
Mic Mic Mic
Mic
Line
Line
GTR 1
Hi Z
0
0
20
40
GAIN
- 10 10
60
HPF
HF
-15
+15
650
500
1k
200
f
120
4k
MID
-15 +15
LF
-15 +15
FX
+6
AUX
+6
PAN
LR
LEVEL
+10
Record
Listen
0
20
40
20
GAIN
40
LM
HF
2k
3k
MID
LF
FX
0
AUX
0
PAN
0
LEVEL LEVEL LEVEL LEVEL LEVEL
40
GAIN
- 10 10
60
- 10 10
60
40
40
LM
GM
HPF HPF HPF
HF
-15
-15
+15
+15
650
650
500
500
1k
1k
200
200
2k
f
2k
f
3k
3k
120
120
4k
4k
MID
-15 +15
-15 +15
LF
-15 +15
-15 +15
FX
0
0
+6
+6
AUX
0
0
+6
+6
PAN
LR
LR
00000
+10
+10
Record Record Record Record Record
Listen
Listen
GTR 2
Hi Z
0
20
40
GAIN
- 10 10
60
40
GM
HF
-15
-15
+15
650
500
1k
200
2k
f
HF
3k
120
4k
MID
LF
-15 +15
LF
-15 +15
FX
FX
0
+6
AUX
AUX AUX
0
+6
PAN
BAL BAL
LR
+10
Listen Listen Listen
-15
-15
LR
Left
Right
Left
Right
0
5
+15
+15
LF
+15
FX
0
+6
0
+6
+10
-15
HF
-15
-15
LR
Left
Right
Left
Left
Right
Right
0
5
+15
+15
+15
0
+6
0
+6
MAIN MIX
+10
Level
Allen & Heath 28 ZED-10 User Guide
WIRING INFORMATION
Insert cable wiring
INSERT
S
T
R
GROUND
RETURN
SEND
General Wiring Information
Y-Adapter
2 Outputs to 1 Input
Sleeve=ground
Ring=cold (-)
1=ground
UNBALANCED
BALANCED
BALANCED
XLR MALE
TO
INPUT
No !
Tip=hot (+)
2=hot (+)
3=cold (-)
RETURN
T
S
R
SEND
T
S
R
LINK RING TO SLEEVE TO UNBALANCE
RCA PHONO CABLE
INSTRUMENT CABLE
TRS JACK CABLE
MIC CABLE
RCA phono jacks
UNBALANCED
UNBALANCED
BALANCED
Sleeve=ground
BALANCED
XLR FEMALE
adapter
Ring=cold (-)
1=ground
Tip=hot (+)
3=cold (-)
PROCESSOR
OUT
IN
Y-Adapter
1 Output to 2 Inputs
2=hot (+)
FROM
OUTPUT
Yes
2=hot (+)
BALANCED
1=ground
Sleeve=ground
Ring=cold (-)
3=cold (-)
Tip=hot (+)
Tip=hot (+)
2=hot (+)
Ring=cold (-)
1=ground
3=cold (-)
Sleeve=ground
BALANCED
BALANCED
XLR MALE
TRS to XLR-F CABLE
TRS to XLR-M CABLE
BALANCED
XLR FEMALE
Allen & Heath 29 ZED-10 User Guide
See more products from ALLEN & HEATH at: www.allen-heath.com
Large Live Sound mixers — iLive digital, ML and GL Series
Small Format Live Sound mixers — ZED, MixWizards and
PA Series
DJ products — Xone Series
Sound Management Series — iDR Series
Registering your product
Thank you for buying the Allen & Heath ZED-10 mixer. We hope that you are happy with
it and that you enjoy many years of faithful service with it.
Please go to www.allen-heath.com/register.asp and register your product’s serial number and
your details. By registering with us and becoming an official Registered User, you will ensure
that any warranty claim you might make is actioned quickly and with the minimum delay.
Alternatively, you may either copy or cut off this section of the page, fill in the details, and
return it by mail to:
Allen & Heath Ltd, Kernick Industrial Estate, Penryn, Cornwall TR10 9LU, UK
Allen & Heath 30 ZED-10 User Guide
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