Alesis Musical Instrument iMultiMix 8 USB User Manual

Reference Manual  
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Table Of Contents  
Introduction..........................................................3  
Welcome!......................................................................................................3  
About the iMultiMix 8 USB...............................................4  
iMultiMix 8 USB Key Features.................................................................4  
How to Use This Manual ...................................................5  
A Few Words for Beginners..............................................6  
Chapter 1: Getting Started ................................7  
Hooking up the iMultiMix 8 USB....................................7  
Using Proper Cables ..........................................................8  
Setting Levels......................................................................8  
Chapter Two: A Tour of the MultiMix.............9  
Patchbay...............................................................................9  
Mic Inputs (Channels 1 – 4)......................................................................9  
Line Inputs (Channels 1 – 4).....................................................................9  
Line Inputs (Channels 5 – 8).....................................................................10  
PHONE Jack...............................................................................................10  
AUX RETURNS ........................................................................................10  
AUX SENDS ..............................................................................................10  
2-TRACK.....................................................................................................10  
MAIN MIX OUT.......................................................................................10  
CTRL RM OUT .........................................................................................10  
Channel Strips ....................................................................11  
Level Control...............................................................................................11  
PAN or BAL................................................................................................11  
PEAK LED.................................................................................................11  
Aux................................................................................................................11  
EQ.................................................................................................................12  
Master Section.....................................................................12  
Main Mix......................................................................................................12  
/ 2TK / iPod To Mix.....................................................................12  
/ 2TK / iPod To Ctrl Room.........................................................12  
Mix To Ctrl Room ......................................................................................12  
HDPH / CTRL RM...................................................................................13  
AUX RETURN A LEVEL.......................................................................13  
EFFECTS / AUX RET B LEVEL .........................................................13  
LED Meters.................................................................................................13  
POWER Indicator......................................................................................13  
+48V Indicator ...........................................................................................13  
iPod Section.................................................................................................14  
iPod Playback Level....................................................................................14  
Backlight.......................................................................................................14  
LED Meters.................................................................................................14  
iPod Record Level.......................................................................................14  
Limiter..........................................................................................................14  
iPod control buttons...................................................................................14  
Jog Wheel.....................................................................................................14  
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1
Table Of Contents  
Rear of the Mixer................................................................15  
Power Input.................................................................................................15  
Power Supply Unit......................................................................................15  
Power On.....................................................................................................15  
Phantom On................................................................................................15  
USB port......................................................................................................15  
Chapter Three: Digital Effects  
Processor ...............................................................17  
Effects Section Components ............................................17  
Program Selection Knob...........................................................................17  
LED Display................................................................................................17  
CLIP Indicator............................................................................................17  
SIG Indicator ..............................................................................................17  
Effect Descriptions.............................................................17  
HALL ...........................................................................................................17  
ROOM .........................................................................................................17  
PLATE.........................................................................................................17  
CHAMBER .................................................................................................17  
CHORUS.....................................................................................................18  
FLANGE.....................................................................................................18  
DELAY........................................................................................................18  
PITCH..........................................................................................................18  
MULTI & MULTI 2...................................................................................18  
Chapter Four: Applications...............................19  
Simple Recording Setup ...................................................19  
Recording to iPod...............................................................19  
Simple Live Setup...............................................................20  
Using Additional External Audio Sources....................20  
Using the Multimix USB with a Computer...................20  
Sending and Receiving Audio Data..........................................................21  
Precautions when using the USB connection.........................................21  
Connection instructions for Windows (XP, 2000, ME,  
and 98 Second Edition) .............................................................................21  
Connection instructions for Macintosh (OS X only)............................21  
Chapter Five: Troubleshooting ........................23  
Chapter Six: Specifications...............................27  
Chapter Seven: Block Diagram ........................29  
Glossary .................................................................31  
Warranty/Contact Alesis ....................................33  
Alesis Limited Warranty.............................................................................33  
Alesis Contact Information.......................................................................34  
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2
Introduction  
Welcome!  
Thank you for making the Alesis iMultiMix 8 USB a part of your  
studio. Since 1984, we've been designing and building creative  
tools for the audio community. We believe in our products,  
because we've heard the results that creative people like you have  
achieved with them. One of Alesis' goals is to make high-quality  
studio equipment available to everyone, and this Reference Manual  
is an important part of that. After all, there's no point in making  
equipment with all kinds of capabilities if no one explains how to  
use them. So, we try to write our manuals as carefully as we build  
our products.  
For more effective service  
and product update notices,  
please register your  
iMultiMix 8 USB online at:  
index.php?registration  
The goal of this manual is to get you the information you need as  
quickly as possible, with a minimum of hassle. We hope we've  
achieved that. If not, please drop us an email and give us your  
suggestions on how we could improve future editions of this  
manual.  
We hope your investment will bring you many years of creative  
enjoyment and help you achieve your musical goals.  
Sincerely,  
The people of Alesis  
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3
Introduction  
About the iMultiMix 8 USB  
The iMultiMix 8 USB mixer is the latest in the large family of  
Alesis audio mixers. We’ve come a long way since the 1622 mixer  
we first built in 1989. Since that time audio technology has grown  
in leaps and bounds, pushing up quality and driving down prices.  
Only a few years ago, you wouldn’t have been able to buy a mixer  
this powerful for such an affordable price. Just take a look at the  
key features listed below, and you’ll see that you have just made an  
incredible addition to your home studio or live setup.  
The iMultiMix 8 USB gives you just about everything you need to  
create polished, professional-sounding mixes. When designing this  
unit, our goal was to give you as much control over your mixes as  
possible without requiring a wealth of extra equipment. That’s why  
we added tools like the digital effects processor and the mic  
preamps. Not to mention the built-in iPod® dock for recording  
and playing back directly from your iPod. And with a multitude of  
ways in which to connect other equipment and instruments, the  
iMultiMix 8 USB offers endless possibilities.  
iMultiMix 8 USB Key Features  
4 microphone/line inputs with up to 50dB of preamp gain – gives a  
boost to microphones and instruments with weak levels.  
Switchable guitar inputs on channels 1 & 2 – these high-impedance  
inputs are specifically designed for electric guitars and basses.  
2 stereo line inputs – great for line-level instruments  
Integrated iPod dock – allows you to record your mix directly to your  
iPod.  
iPod Limiter – ensures that your iPod recordings are always clean, crisp  
and never distorted.  
Internal digital effects processor with 100 preset effects and an easy-  
to-read display – includes a variety of reverbs, delays, choruses, flanges, a  
pitch transposer and combinations of these.  
3-band EQ per channel – a potent tool for sonically shaping each  
channel to get that perfect mix.  
1 pre-fader aux send per channel – gives you control over the level of  
the pre-fader signal being routed to an external device.  
1 post-fader aux send/effects send per channel – a control for the  
signal being routed to another external device or to the onboard effects  
processor.  
Control room output level – provides control over the separate control  
room output  
2-track send and return – lets you mix your audio to tape or other  
media and to add a tape deck or CD player to the mix.  
Stereo USB input and output – routes the main ouput and the 2-  
track return through the USB port in crystal-clean, 16-bit, 44.1 kHz  
stereo digital audio. Use the Multimix USB as a high-quality soundcard  
for recording and playback with Windows and Macintosh computers.  
External power supply  
® iPod is a registered trademark of Apple Computer, Inc., registered in the U.S.A. and other countries.  
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4
Introduction  
How to Use This Manual  
This manual is divided into the following sections describing the  
various functions and applications for the iMultiMix 8 USB. While  
it's a good idea to read through the entire manual once carefully,  
those having general knowledge about mixing should use the table  
of contents to look up specific functions.  
Helpful tips and advice are  
highlighted in a shaded box  
like this.  
Chapter 1: Getting Started shows you how to include the iMultiMix 8  
USB in your audio setup for recording and live applications. We’ve  
included a hookup diagram, guidelines for which cables to use and  
the vital steps you must take to set levels properly.  
Chapter 2: A Tour of the iMultiMix describes the iMultiMix 8 USB  
piece by piece. This chapter also features diagrams of the mixer to  
help you find each component as you read about it.  
Chapter 3: Digital Effects Processor explains the effects provided by  
the on-board digital effects processor. If you want to know what a  
certain effect will do to your sound before you select it, this is  
where you should look.  
Chapter 4: Applications outlines a number of scenarios in which you  
can use the iMultiMix 8 USB, including some tips on what goes  
where when you’re hooking everything up.  
When something important  
appears in the manual, an  
exclamation mark (like the  
one shown at left) will appear  
with some explanatory text.  
This symbol indicates that  
this information is vital when  
operating the iMultiMix 8  
USB.  
Chapter 5: Troubleshooting can give you a hand if you’re  
experiencing problems with your mixer. You’ll find that most  
issues can be resolved simply and quickly with the push of a  
button.  
Chapter 6: Specifications and Chapter 7: Block Diagram are full of  
technical information for the more advanced users.  
And at the end of this manual you’ll see a glossary of common  
mixing-related terms and a page about the iMultiMix 8 USB’s  
warranty.  
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5
Introduction  
A Few Words for Beginners  
We realize that some of you who have purchased the iMultiMix 8  
USB are fairly new to the art of mixing, and we’ve written this  
manual with that in mind. We also designed the iMultiMix 8 USB  
to be both powerful and easy enough to use that even a beginner  
can quickly pick up the basics.  
One of the most important  
things you’ll do before you  
begin a mixing session is to  
set the levels. Be sure to refer  
to the instructions on page  
16.  
Many mixer manuals—and manuals for just about any electronic  
instrument for that matter—are full of complicated terminology  
and incomplete instructions that presume a lot of experience on  
the part of the reader. We try to avoid that with this manual. True  
enough, you will find all the technical lingo and specifications you  
can handle in here, but we do our best to make this accessible to  
you.  
Beginners will find several elements of this manual especially  
useful. Keep your eye out for the tips found in the gray boxes on  
the right side of the page. Be sure to check out the hookup  
diagrams on page 7, which will give you some ideas on how to fit  
the mixer into your audio setup after you’ve taken a tour of the  
mixer in Chapter 2. And if you come across any terms that you  
haven’t seen before, the glossary probably can help you out.  
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6
1 Getting Started  
Hooking up the iMultiMix 8 USB  
This diagram will help you get the iMultiMix 8 USB hooked up  
and ready to go. The equipment you use depends on personal  
preference and on whether you’re performing live or recording.  
For example, you’ll see below that the MAIN MIX OUT can be  
routed to a recording device for recording, or to a PA system for  
live performance.  
Be sure to follow the  
guidelines for which cables to  
use (further down this page)  
and the procedure for setting  
levels (on the next page)  
before you begin mixing.  
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7
Getting Started  
1
Using Proper Cables  
When connecting instruments and other equipment to the  
iMultiMix, it’s important that you use the appropriate types of  
cables. Here are some simple but important guidelines:  
For the mic inputs, use XLR cables.  
For the line inputs and all other 1/4” connections, use 1/4”  
mono TRS cables.  
Use stereo RCA cables for the 2-track in and out.  
Use a USB cable to connect the USB port to a computer. Do  
not use a USB hub, as hubs can introduce timing glitches in  
USB communication.  
Setting Levels  
Before you can begin mixing different audio sources with your  
iMultiMix, you must set the level for each channel you’re using.  
This helps to prevent distortion and clipping. The idea is to get the  
strongest signal possible without clipping. Here’s how:  
1. Turn the channel level control to the 12:00 position.  
2. Turn the AUX SEND and GAIN controls all the way down,  
and turn the EQ knobs to the center detent (you’ll feel a click).  
3. Connect the source of the signal to the channel’s input.  
4. Play the instrument at a normal level and adjust the channel’s  
gain slowly until the PEAK LED lights.  
5. Slowly reduce the channel’s gain until the PEAK LED no  
longer lights when you play.  
6. If you need to apply EQ, do so and check the PEAK LED to  
make sure it still does not light as you play.  
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8
2 A Tour of the iMultiMix USB  
In this chapter, you’ll learn all about the iMultiMix’s components  
(except for the digital effects processor, which is explained in the  
next chapter). Please refer to the diagrams as you read each section  
to see which components we’re talking about.  
Patchbay  
At the rear portion of the top of the iMultiMix 8 USB, you’ll find  
the patchbay. This is where you plug in instruments, signal  
processors, multitrack recorders and other devices. In the  
following paragraphs, we tell you all about the inputs, outputs,  
switches and knobs you see in this section of the mixer.  
Mic Inputs (Channels 1 – 4)  
Although chances are your  
The iMultiMix uses standard XLR-type mic inputs. These provide  
+48V phantom power that you can turn on and off with the  
Phantom On switch located on the rear of the mixer. You  
probably will have to turn on the phantom power when you’re  
using most condenser mics, as these usually require the extra  
voltage (unless the mic has its own power source, such as a  
battery). Dynamic mics don’t require phantom power and are  
unaffected when the power is on.  
microphones will work fine  
with these mic inputs, we  
recommend that you do some  
checking up on the type of  
microphone you’re using,  
especially if it’s one of the  
older vintage models. Verify  
that your microphone  
requires phantom power and  
make sure its output is low  
impedance, balanced and  
floating.  
These high-quality mic inputs also feature up to 50dB of preamp  
gain that you can adjust with the Gain knob.  
Another useful feature of mic inputs 3 & 4 is a high-pass filter  
(HPF) that can be turned on and off with the HPF switch. When  
you activate this switch, all frequencies below 75Hz are cut from  
the signal. This is useful for mic or line signals that don’t have  
much bottom end, such as vocals, snares, cymbals and electric  
guitar. You’ll want to leave this inactivated for instruments like  
basses and kick drums.  
Always connect your  
microphones before  
activating phantom power.  
Microphones tend to be very  
sensitive, and the sudden  
power surge can do  
permanent damage to the  
mic’s circuitry. It’s also a  
good idea to lower mixer  
levels before you activate  
phantom power.  
Line Inputs (Channels 1 – 4)  
The line inputs, marked LINE IN, are balanced 1/4” jacks that  
offer the same 50dB of preamp gain and the high-pass filter  
provided by the mic inputs (however, phantom power does not  
apply to line inputs). These inputs accept line-level instruments  
such as keyboards and drum machines. If you find that your  
instrument has a weak line signal, just plug it into channels 1 – 4  
and crank it up with the Gain knob.  
You will also notice that channels 1 & 2 feature a Mic/Line |  
Guitar switch. These two inputs can be used as switchable high-  
impedance inputs, specifically designed for plugging electric guitars  
and basses directly into the mixer.  
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9
A Tour of the iMultiMix USB  
2
Line Inputs (Channels 5 – 8)  
Unlike channels 1 – 4, the line inputs on channels 5 – 8 are stereo  
inputs that have left and right inputs. If you’re using one of these  
channels as a mono input, plug your instrument into the left input.  
Channels 5 – 8 don’t have the extra gain found on channels 1 – 4  
because most line-level instruments don’t require the extra boost.  
MIDI and other electronic instruments will work especially well on  
these channels. These inputs are also good for connecting CD  
players, tape decks or line-level turntables, as these audio sources  
don’t require extra gain.  
PHONE Jack  
The headphone jack accepts 1/4” jacks. If your headphones are  
1/8”, you can find a 1/8” to 1/4” adapter in most electronics  
stores.  
AUX RETURNS  
If you are using an effects  
device with only a mono  
output, plug it into the left  
return of STEREO AUX  
RETURN. It will appear in  
the center of the stereo  
These are the 1/4” jacks where you connect the outputs of an  
external effects processor or other audio source. Each aux return  
gives you 15dB of gain that can be controlled by the AUX RET A  
and EFFECTS / AUX RET B LEVEL knobs in the mixer’s  
output section.  
spectrum, and not to the left.  
AUX SENDS  
And these are the 1/4” jacks where you connect the lines that are  
going into the input of an external effects processor. The aux  
sends give you 10dB of gain that can be controlled in the AUX  
section of each channel input.  
2-TRACK  
The 2-TRACK IN and OUT jacks are standard RCA jacks. You’ll  
use the OUTs for mixing to a tape deck or other recorder. With  
the INs you can bring in a signal, which can be monitored and  
even added to the main mix via the 2TK TO MIX switch in the  
master section of the mixer.  
MAIN MIX OUT  
These 1/4” jacks are where the signal on the main mix bus leaves  
the mixer. From there you can send it to a recorder or a PA system.  
The level of this signal is controlled by the MAIN MIX level  
control.  
CTRL RM OUT  
You can use these 1/4" jacks to send the control room signal to  
the input of the amplifier driving your monitors or headphones.  
This output usually carries the main mix. However, if you engage  
the 2TK TO CTRL ROOM switch, the CTRL RM OUT will carry  
the signal present at the 2-TRACK inputs.  
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10  
A Tour of the iMultiMix USB  
2
Channel Strips  
The eight channel strips are virtually identical to each other, with the  
only difference being that channels 1 – 4 are mono and channels 5 – 8  
are stereo. Each channel strip contains the following components.  
Level Control  
The level control knob controls how much of the signal from the mic  
or line inputs is sent to the channel. To adjust the level, simply turn the  
knob to the desired level. In the leftmost position, levels are cut  
completely, and in the rightmost position you get an additional 10dB of  
gain.  
PAN or BAL  
This control—labeled PAN on the mono channels and BAL on the  
stereo channels—lets you assign the channel to a particular spot within  
the stereo spectrum. If you turn this knob to the left, you can hear the  
signal move to the left, and if you turn it to the right…you get the  
picture. The pan controls do this by adjusting the amount of the signal  
being sent to the left main mix bus versus the right main mix bus. The  
balance controls do it by controlling the relative balance of the left and  
right channel signals being sent to the left and right main mix buses.  
PEAK LED  
This indicator lets you know when the channel’s signal is clipping. This  
light plays an important role in setting channel levels by helping you  
know when to reduce the channel’s gain.  
Aux  
Here you’ll find knobs that control the levels of aux sends A and  
B. AUX A is pre-fader, which means that the AUX A send is  
affected only by the EQ and HPF settings. A pre-fader send is  
usually used for cue sends (for example, sending a signal to  
headphones while recording, for which you may not want the fader  
to alter the channel’s level).  
AUX B is post-fader, which means that the AUX B send is  
affected by the fader (or level control knob in this instance), EQ  
and HPF settings. A post-fader send is generally used for sending  
the signal to an external effects device (so that the fader controls  
the signal level). Like AUX A, AUX B can be used for routing  
signals to external devices. And when you are using the onboard  
effects processor, AUX B is used to control the level of the  
channel’s signal being routed to the processor.  
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11  
A Tour of the iMultiMix USB  
2
EQ  
The iMultiMix gives you three bands of EQ per channel. Using  
these knobs, you can tailor the channel’s signal by boosting some  
frequencies and cutting others. The LO and HI controls are  
shelving controls with fixed frequencies of 75 Hz and 12 kHz  
respectively. The MID control has a peaking response fixed at 2.5  
kHz.  
“Shelving” means that the mixer boosts or cuts all frequencies past  
the specified frequency. “Peaking” means that frequencies above  
and below the specified frequency fall off, forming a peak in a  
graphical representation.  
Master Section  
The Master Section is the heart of the mixer, where the channel  
inputs and aux returns all are mixed together and routed in various  
ways.  
Main Mix  
The signals from all channels and aux sends are sent to the main mix.  
The MAIN MIX level control is the one you’ll use to control the  
overall level of those combined signals. This knob affects the levels of  
the signals sent to the MAIN MIX OUT and the 2-TRACK OUT. In  
its leftmost position the signal is cut off completely, and in the  
rightmost position you get an additional 10dB of gain.  
/ 2TK / iPod To Mix  
When you press this switch, the signals coming in from your  
computer through the USB connection, an external source through  
the 2-TRACK IN, or an iPod attached to the dock get blended and  
routed to the MAIN MIX, joining whichever other signals are already  
part of the main mix. Used this way, this channel effectively  
becomes another stereo channel (but without all the extras like  
pan, EQ, etc.).  
The iMultiMix features a  
Limiter, which prevents the  
audio signal from clipping  
and distorting before entering  
your iPod. Sometimes it’s  
possible that the Limiter is  
working too hard and may  
result in an unpleasant  
“pumping” sound while it is  
engaged. The iPod Rec  
Monitor is useful when you  
want to hear exactly how the  
mix will sound before  
/ 2TK / iPod To Ctrl Room  
When you engage this switch, the signals coming in from the USB  
connection, the 2-TRACK IN jacks, or a docked iPod are blended  
and routed to the headphones and to the control room output.  
This level is controlled by the HDPH / CTRL ROOM level  
control and cancels out any signal from the main mix.  
Mix To Ctrl Room  
recording to your iPod, in  
case the Limiter is causing  
unwanted artifacts.  
In DOWN position, routes the Main Mix to the HDPH / CTRL  
RM outputs. In UP position, routes the iPod Rec Monitor signal  
to the HDPH / CTRL RM outputs. Generally speaking, the iPod  
Rec Monitor bus is the same as your Main Mix, except that it also  
includes the Limiter, if the LIMITER switch beneath the iPod  
dock is engaged.  
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12  
A Tour of the iMultiMix USB  
2
HDPH / CTRL RM  
The HDPH / CTRL RM knob controls the level of the signal  
being sent to the CTRL RM OUT and the PHONES output. The  
level of this signal is represented by the LED meters. The “CTRL  
RM” in the name of this knob refers to the fact that it controls the  
signal that typically is sent to the control room monitors of a  
studio, where someone—usually an engineer—is working the  
mixer. However, don’t be intimidated if you’re using this mixer in  
your bedroom, which probably isn’t equipped with a control room.  
In this scenario, you can use headphones or connect the CTRL  
RM OUT to your speakers.  
AUX RETURN A LEVEL  
This is the level control for the signal returning to the mixer via  
AUX RETURN A.  
EFFECTS / AUX RET B LEVEL  
If you are using one of the iMultiMix 8 USB’s internal effects, this  
knob controls the effect level. If AUX SEND B is connected to an  
external device, this knob controls the level for AUX RETURN B.  
LED Meters  
These are the two rows of yellow, green and red lights you see in  
the master section of the mixer. The LED meters allow you to  
view the signal level of the main mix, 2-TRACK IN, or your iPod  
depending on which signals are being routed to the control room  
mix.  
POWER Indicator  
When this LED is lit up, that means the POWER ON switch on  
the rear of the mixer has been activated.  
+48V Indicator  
When this one is lit up, that means the PHANTOM ON switch on  
the rear of the mixer has been activated and is supplying +48V  
phantom power to all XLR mic inputs.  
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13  
A Tour of the iMultiMix USB  
2
iPod Section  
The iPod section contains the controls for your iPod. With the  
iMultiMix you can not only play content from your iPod, but you  
can also record your mix directly to it. Please note that not all  
iPod models are compatible for playback and recording from the  
iMultiMix – check the compatibility chart on page 20 for more  
information.  
iPod Playback Level  
This knob controls the audio playback level of your iPod.  
Backlight  
Pressing this button turns your iPod’s backlight on for 30 seconds,  
if it is off.  
The recording feature will  
record the stereo audio signal  
from the Main Mix directly to  
your iPod.  
LED Meters  
These meters monitor the level of the input signal sent to your  
iPod. This is the signal that your iPod will record. The meters  
show the signal after the Limiter, if it has been engaged.  
iPod Record Level  
While it’s connected to the  
iMultiMix, your iPod will  
charge automatically except  
when it is recording. By  
default, charging is disabled  
during recording. This is  
because charging while  
recording may introduce low  
level noise into your  
This knob adjusts the gain of the input signal sent to your iPod.  
Aim to adjust this control such that the level going to the iPod (as  
shown on the iPod LED meters) is consistently yellow (or higher  
if you don’t mind some intermittent distortion). This will allow  
for maximum recording resolution with a minimum of distortion  
or unpleasant Limiter artifacts.  
Limiter  
recordings.  
This button engages the stereo Limiter. Since there is no way to  
adjust the level of your mix once it has been recorded to your  
iPod, it is important that the recording is loud, but still clear and  
undistorted, before entering your iPod. The Limiter feature  
prevents the audio signal sent to your iPod from clipping, thereby  
allowing you to boost up the recording level without worrying too  
much about distortion. However, it is still possible to overdrive  
the Limiter circuit with too hot of a signal, resulting in an  
unpleasant “pumping” sound or, at the extreme, distorted  
recording. It is important that you avoid this by listening to the  
iPod Rec Monitor signal and adjusting the iPod RECORD LEVEL  
knob so the recording is loud, yet still retains a good dynamic  
range.  
If your battery is getting low  
while recording, or if you  
plan to record very long  
sessions, press and hold |<<  
and >>| for about one second  
while recording to toggle  
charging on. Press and hold  
|<< and >>| again to disable  
charging at any time while  
recording.  
If you listen carefully to your  
recordings made with 5th  
generation video iPods, you  
may hear some low-level  
chirping sounds. These  
sounds are made by the  
iPod’s spinning hard drive.  
These sounds mostly exist  
outside of the audio spectrum  
of your hearing.  
iPod control buttons  
These buttons are used for your iPod’s navigation controls. They  
work just the same as they do on your iPod. You will notice that  
there is an additional control here which does not appear on your  
iPod – the REC MODE button. When you press this button, your  
iPod will enter the recording menu. To begin recording, press the  
ENTER button while in the recording menu. The red LED above  
the REC MODE button will illuminate while recording.  
Flash-based iPod Nanos do  
not exhibit this noise.  
Jog Wheel  
The jog wheel works as your iPod’s touchwheel control.  
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14  
A Tour of the iMultiMix USB  
2
Rear of the Mixer  
Here’s what you’ll find at the rear of the mixer.  
The POWER INPUT is built  
to accept only the power  
supply unit provided with  
your iMultiMix 8 USB, or an  
AC power supply that has the  
same specs. Others probably  
will not work.  
Power Input  
Here’s where you plug in your mixer’s external power supply.  
You should always connect your power supply to the mixer before  
you plug the power supply into an electrical outlet.  
Power Supply Unit  
This unit provides 18.5 VAC at 1000 mA, more than enough to  
keep your iMultiMix 8 USB running smoothly. As with nearly all  
power supply units, this one tends to get warm when left on for a  
while. This is perfectly normal.  
Power On  
Another easy one. Switch this one on and your mixer has power.  
Switch it off and it doesn’t. Make sure that all master output knobs  
are turned all the way down when powering your mixer up or  
down.  
Phantom On  
As we said earlier, it’s very  
important that you plug in  
your microphones and mute  
your system before you turn  
on phantom power.  
This switch activates and deactivates the phantom power  
described in “Mic Inputs (Channels 1 – 4),” page 9. This switch  
controls phantom power for all four mic inputs.  
USB port  
This port allows you to connect the Multimix to a computer for 2-  
way, 16-bit stereo digital audio communication.  
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A Tour of the iMultiMix USB  
2
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3 Digital Effects Processor  
Onboard your iMultiMix 8 USB™ is a powerful effects unit that  
has 100 preset programs. We offer a few tips on where to use  
these, but don’t limit yourself to our suggestions. We recommend  
that you experiment with these effects to get a good feel for how  
they can improve your mixes.  
Effects Section Components  
Program Selection Knob  
You can use this knob to assign one of 100 effect programs to  
your mix. Turning the knob to the right increments the program  
number, and turning it to the left decrements the program  
number. You can control the level of the effect for each channel  
via the channel’s AUX B knob. You must PRESS the effect knob  
to activate the selected effect.  
LED Display  
This display shows you the number of the current program.  
CLIP Indicator  
When lit, this LED tells you that there is a signal clip at the  
internal effects input. This means that you should reduce the signal  
via the EFFECTS / AUX RET B LEVEL control.  
SIG Indicator  
You cannot use  
the AUX B  
RETURN and  
the on-board  
effects at the  
same time.  
When lit, this LED indicates that the effects processor is receiving  
a signal.  
Effect Descriptions  
HALL  
This type of reverb simulates the ambience of a grand concert hall.  
ROOM  
This type of reverb reproduces the more intimate ambiance of  
natural room acoustics.  
PLATE  
These are simulations of metal plate reverbs, as used on classic  
recordings from the '70s and '80s.  
CHAMBER  
These are simulations of the reverb created by artificial echo  
chambers, as used on classic recordings of the '50s and '60s.  
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17  
Digital Effects Processor  
3
CHORUS  
These create the effect of multiple voices (or instruments)  
sounding at once from a single input.  
FLANGE  
These create a sweeping, swooshing sound effect that you will  
probably recognize.  
DELAY  
These effects are based on a discreet repetition or echo of the  
input.  
PITCH  
These effects transpose the pitch of the input signal and blend the  
effect signal with the original to create harmonies.  
MULTI & MULTI 2  
These are combinations of two or more of the above effects.  
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18  
4 Applications  
Your iMultiMix 8 USB can be used in a wide variety of ways in  
both live and recording applications. You have several options for  
bringing sound into and out of the board. And when it’s brought  
in, you can route it to various parts of the mixer for certain desired  
effects, or even send it to an external processor or tape deck and  
back. To give you some ideas for different mixing scenarios, here  
are descriptions of a few common applications for the iMultiMix 8  
USB.  
Simple Recording Setup  
In this setup, you connect your instruments and microphones to  
the mono and stereo channels, making sure to properly set the  
level of each channel. To record directly from the mixer to a tape  
deck or other device, connect the device via the 2-TRACK OUT  
jack. To record to a multitrack recorder, connect the MAIN MIX  
OUT to the recorder’s inputs.  
You can select one on-board effect and control its level with the  
AUX B knob for each channel. Or you can use an external effects  
processor by sending a signal to the external unit via the AUX  
SEND A and returning it via AUX RETURN A.  
For monitoring you can connect the CTRL RM OUT jacks to a  
speaker or headphone amplifier, or just simply plug headphones  
into the PHONES jack.  
Recording to iPod  
The iMultiMix allows you to record your mix directly to an iPod.  
This means that anything routed to your Main Mix, such as  
instruments, microphones, and even audio from your computer  
can be recorded and played back instantly from your iPod. Note  
that the iPod will record your Main Mix as a stereo file so it is  
important to get your levels right before recording. To ensure that  
your recording is clean and pristine, here are some suggestions:  
Your recordings will be  
stored as “voice memo” files  
on your iPod.  
Once you have finished  
recording a “memo,” it will  
be placed in Main Menu >  
Extras > Voice Memos.  
Take some time to balance out the levels of your sources.  
After you connect to your  
computer and transmit the  
voice memos, they can be  
located in Main Menu >  
Music > Playlists > Voice  
Memos.  
Use the built-in Limiter feature, ensuring that your recording  
does not clip or distort. However, be careful when using the  
Limiter – if you are pushing your levels too hard, the Limiter  
can cause unwanted audio artifacts. There is a fine line  
between a good, loud recording, and a recording which is  
overly limited, resulting in poor dynamic range and clarity.  
Periodically, check how the recording will sound by switching  
the MIX TO CTRL RM button to the UP position (iPod  
REC MONITOR).  
The iPod REC MONITOR  
signal includes the Limiter, if  
it has been engaged.  
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19  
Applications  
4
It is also important to understand that not all iPods are created  
equal and different models have different capabilities. Please refer  
to the following compatibility table to check whether your iPod is  
recording-compatible.  
Out of the box, your iPod is  
formatted to work with a  
Mac, rather than a Windows  
computer. If you want to  
transfer your recordings to a  
Windows computer, connect  
your iPod to your Windows  
computer and allow iTunes to  
format it BEFORE you  
iPod Model  
iPod  
Playback  
Record  
5th generation  
3rd and 4th generation*  
1st and 2nd generation  
record for the first time.  
If you record to your iPod  
before you ever connect it to  
iTunes, your recordings will  
be stored in Mac’s HFS  
format. They will only be  
readable by plugging your  
iPod into a Mac, not a  
iPod nano  
2nd generation  
1st generation  
iPod shuffle  
iPod mini  
Windows computer.  
Note that, if you reformat  
your iPod for the Windows or  
Mac platform, you may lose  
any recordings prior to this.  
* Transport control only  
Simple Live Setup  
This is similar to the recording setup. In a live setup, you most  
likely will connect the MAIN MIX OUT to a PA system amplifier  
and the CTRL RM OUT to a headphone amplifier for monitoring  
purposes. Try connecting an external effects processor to the  
iMultiMix’s send and receive. Your headphones will allow you to  
audition a channel before you bring it into the mix, making sure  
the levels are OK before the audience hears it.  
Using Additional External Audio  
Sources  
The iMultiMix 8 USB gives you 8 audio inputs in all. If you want  
to bring external audio sources into a recording or live mix, you  
can do it in several different ways. Using the 2-TRACK IN, you  
can add a tape deck, ADAT, CD player or other source to the mix.  
The 2-TRACK IN also can be used to entertain the audience with  
a CD as the band is setting up for a live show. The AUX  
RETURNS can be used as additional audio inputs when you are  
not using them for effects.  
Using the Multimix USB with a  
Computer  
Your Alesis Multimix mixer comes with a Full Speed USB port  
which you can connect to a computer. This USB connection  
allows you to send CD-quality (stereo, 16-bit, 44.1 kHz) audio  
between the computer and your Multimix mixer.  
This feature allows you to use the Multimix USB as a highly  
flexible external soundcard. Use the computer’s built in audio  
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20  
Applications  
3
recorder—or use dedicated Digital Audio Workstation software—  
to record and play back CD-quality audio within your computer.  
A 2-meter USB cable is included. If you need to connect the  
Multimix across a longer distance, we recommend that you  
purchase a longer USB cable, as using hubs and other extenders  
with USB audio often causes glitches and other problems.  
Sending and Receiving Audio Data  
The USB port sends the Multimix’s MAIN OUT/TAPE OUT left  
and right signals to the computer.  
The USB port receives a stereo audio stream from the computer  
and assigns it to the TAPE IN left and right channels of your  
Multimix mixer. Note that, if a device is connected to the  
Multimix’s TAPE IN inputs, the signal from this device is merged  
with the signal from the computer.  
Precautions when using the USB  
connection  
To ensure that the Multimix is recognized correctly by your  
computer, always turn the Multimix on a few seconds before  
inserting the USB cable into the computer. When powering up  
both your computer and the Multimix, turn on the Multimix first  
and the computer second. When powering down your computer  
and the Multimix, turn off the computer first. Wait to turn off the  
Multimix until the computer has shut down.  
Connection instructions for Windows (XP,  
2000, ME, and 98 Second Edition)  
Upon first sensing the Multimix’s USB input, Windows XP and  
Windows 2000 automatically recognize the Multimix and proceed  
to install “USB audio codec” drivers. Windows ME and Windows  
98 Second Edition may require you to insert your Windows disc,  
after which the drivers should load correctly. [verify this]  
After the Multimix has been recognized and its drivers have been  
installed, open the Control Panel. Select Sounds and Audio  
Devices (or Multimedia), go to the Audio tab, and select the “USB  
audio codec” as your default sound recording and sound playback  
device.  
Connection instructions for Macintosh (OS  
X only)  
After plugging in the Multimix, select “USB Audio CODEC” in  
the Sound area of System Preferences. No other action is required.  
The Multimix USB is not designed for use with Mac OS9 and  
below.  
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Applications  
4
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22  
5 Troubleshooting  
If you’re having problems operating the iMultiMix 8 USB, this  
troubleshooting index will help you correct them.  
Symptoms  
Cause  
Solution  
No sound from the mixer.  
Mixer is not plugged in or turned Plug in mixer and turn it on.  
on.  
Channel levels are too low.  
Turn up channel levels.  
Control room level is turned  
down  
Turn up control room level.  
The appropriate signal hasn’t  
been assigned to the control  
room out.  
In the master section of the mixer,  
be sure the right switch is selected.  
Cable is not plugged into output  
jack.  
Check outputs to make sure cables  
are plugged in securely.  
Headphones are not plugged  
into PHONE jack.  
Plug headphones into PHONE jack.  
Turn amplifier on or up.  
Monitor or headphone amplifier  
is turned off or down.  
Bad cable.  
Check all cables; substitute cables  
with known good ones.  
Audio signal is distorted.  
Channel level is too high.  
Channel input is too high.  
Set channel levels using the  
procedure on page 8.  
Turn down your instrument to a  
normal volume and then set channel  
levels using procedure on page 8.  
AUX RET level is too high.  
MAIN MIX level is too high.  
Lower the level of AUX RET A or  
B in the master section of the mixer.  
Turn down the MAIN MIX level  
control in the master section of the  
mixer.  
My iPod recording is distorted.  
Limiter is not engaged.  
Press the LIMITER button to  
engage this feature – it will prevent  
your recording from clipping and  
distorting.  
Limiter is working too hard.  
If your levels are too hot, the Limiter  
can still produce unwanted artifacts  
and distortion. Turn down the iPod  
REC LEVEL and use the iPod REC  
MONITOR to hear how the mix  
will sound.  
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23  
Troubleshooting  
5
Audio signal carries an unwanted Too much low-level noise in the  
Engage the channel’s high-pass filter  
by pressing the HPF switch.  
hum.  
mix.  
Interference from appliances  
such as air conditioners.  
Engage the channel’s high-pass filter  
by pressing the HPF switch.  
Not using TRS cables.  
Make sure you are using 1/4” TRS  
cables.  
Microphone level is too low.  
Phantom power is not turned  
on.  
Turn on phantom power using the  
switch on the rear panel of the  
mixer.  
Microphone is damaged.  
Test the microphone on other audio  
devices. If you detect damage,  
contact the manufacturer or dealer.  
No or low sound from a channel. Channel level is too low.  
Instrument volume is too low.  
Turn up channel level.  
Turn up the instrument’s volume  
control. If problem persists, check  
the instrument by plugging  
headphones into the instrument’s  
phone jack.  
Gain is too low.  
Adjust the channel’s GAIN control.  
Internal effects aren’t working.  
Effects level is too low.  
Turn up the level using the  
EFFECTS / AUX RET B LEVEL  
control in the master section of the  
mixer.  
An effect hasn’t been selected.  
Press the EFFECTS knob on the  
desired effect and make sure the SIG  
indicator is lit.  
I cannot record with my iPod.  
iPod model not compatible for  
recording.  
See compatibility chart on page 20  
for information on compatible  
iPods.  
I cannot play music from my  
iPod.  
iPod model not compatible for  
playback.  
See compatibility chart on page 20  
for information on compatible  
iPods.  
My iPod will not charge while  
recording.  
Charging while recording is  
disabled.  
Charging while recording may  
introduce low level noise into your  
recording and is, by default, disabled.  
You can enable charging by pressing  
|<< and >>| together for one  
second while recording. Press the  
buttons again to disable.  
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24  
Troubleshooting  
5
External effects aren’t working.  
Effects processor is not plugged  
in or turned on.  
Make sure unit is plugged in and  
turned on.  
Aux outputs of mixer aren’t  
Make sure the mixer’s aux outputs  
connected to inputs of processor are connected to the processor’s  
or processor’s outputs aren’t  
connected to mixer’s inputs.  
inputs and that the processor’s  
outputs are connected to the mixer’s  
aux inputs.  
Mixer’s effects return signal is  
too low.  
Turn up the output of the effects  
processor or turn up the mixer’s  
AUX RET A LEVEL or EFFECTS  
/ AUX RET B LEVEL in the  
master section.  
LED meters not working.  
Nothing is routed to the  
HDPH/CTRL RM output.  
Press the desired MIX or 2 TK To  
Mix button.  
Computer does not see the  
Multimix.  
USB connection must be  
established.  
Unplug the USB cable and turn off  
the Multimix. Turn the Multimix  
back on and plug the cable back in.  
If this does not work, leave the  
Multimix on, turn off the computer  
(do not use “restart” but instead  
actually turn off the computer) and  
then turn it on again.  
Computer sees the Multimix  
USB, but no sound is received  
and/or transmitted.  
Multimix USB is not set as  
primary sound device.  
In the computer’s Control Panel, go  
to the Sounds/Multimedia area. In  
the Audio section, set the default  
sound recording and playback  
devices to “USB audio codec.”  
USB audio has crackling or  
glitches, or audio plays/records at  
incorrect pitch.  
USB hub may be in use.  
If you are using a USB hub,  
disconnect the Multimix from it and  
connect the mixer to the computer  
directly instead.  
Computer configuration may be  
incompatible with USB audio.  
Certain USB chipsets have design  
limitations or IRQ assignment  
restrictions that must be resolved  
before audio can work correctly on  
them. See your USB chipset  
documentation for further  
information if required.  
No power.  
Incorrect or defective power  
supply.  
Replace with correct power supply  
(only use Alesis-recommended AC  
output power supply).  
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Troubleshooting  
5
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26  
6 Specifications  
For the more technical-minded, here are some detailed  
specifications for the iMultiMix’s operating levels.  
Input Channels  
Mic In Sensitivity Range:  
Line In Sensitivity Range:  
Mic/Line Gain Range:  
-60dBu to –10dBu nominal, +5dBu  
maximum  
All measurements done over  
a 22Hz – 22kHz range with a  
1kHz sine wave at +18dBu  
(-1dBFS) input. Impedances  
are measured at 1kHz.  
-40dBu to -+10dBu nominal,  
+25dBu maximum  
+10 to +60dB  
Equalization  
High-Pass Filter:  
High Shelving:  
75Hz, 18dB/octave  
12kHz, +/- 15dB  
Mid Bandpass/Band Reject: 2.5 kHz, +/- 15dB  
Low Shelving:  
80Hz, +/- 15dB  
Aux Sends  
Aux Send A & B Gain Range: -to +10dB  
Aux Returns  
Aux Return A Gain Range: -to +15dB  
Effects Level/  
Aux Return B Gain Range:  
-to +15dB  
Channel Levels  
Channel Level Gain Range: -to +10dB  
Master Levels  
Main Mix, Ctrl Room Gain  
Range:  
-to +10dB  
1/4” Inputs  
Stereo Aux Return Level:  
+4dBu nominal, +20dBu maximum  
-10dBV nominal, +5dBV maximum  
RCA Inputs  
Tape In Level:  
1/4” Outputs  
Main Mix, Ctrl Room,  
Ext Aux Send Level:  
+4dBu nominal, +20dBu maximum  
Headphone Output:  
75 ohm output impedance  
>105mW into 75 ohms, >40mW  
into 600ohms  
RCA Outputs  
Tape Out Level:  
-10dBV nominal, +5dBV maximum  
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Specifications  
6
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7 Block Diagram  
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Block Diagram  
7
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30  
Glossary  
Here are the definitions to some terms you’ll probably encounter  
while using your iMultiMix 8 USB.  
Term  
Definition  
aux (auxiliary)  
An additional set of outputs and inputs found on many mixers. These  
allow the addition of external effects and other audio sources.  
balance  
bus  
A control that lets you control the position of sound in a stereo signal by  
altering the relative levels of the left and right channels.  
The electrical component that carries signals from multiple sources to a  
single destination such as an amplifier.  
channel  
A path through which an audio signal flows.  
channel strip  
A section of a mixer on which reside controls like a fader, EQ and pan  
for manipulating the signal of an input channel.  
clipping  
codec  
The cutting of an audio signal caused by a level that is too great for a  
mixer circuit to handle.  
Compression/decompression algorithm. Different CODECs are used  
by different digital audio devices and file formats.  
condenser  
microphone  
A type of high-quality microphone that produces a weak signal, usually  
requiring an external power source like the ones provided by your  
iMultiMix 8 USB’s XLR mic inputs.  
dB (decibel)  
detent  
A common unit of measure for audio.  
A point of resistance in the path that a mixer knob or fader travels.  
Detents are used to mark important settings. As you turn the knob or  
slide the fader, you’ll feel it “click” into the detent.  
dry  
Term used to describe an audio signal free of effects. The opposite of  
“wet.”  
dynamic  
microphone  
A common type of microphone that does not require external power.  
Dynamic microphones are generally cheaper than condenser  
microphones.  
effects processor  
EQ (equalizer)  
A unit whose purpose is to provide effects for audio signals. Some  
common effects include reverb, chorus, flange and delay. Effects  
processors come in many shapes and sizes, from small pedals up to  
rectangular rackmount units.  
The part of your mixer (or other device) that manipulates an audio signal  
by lowering the level of some frequencies and increasing the levels of  
others. EQ is used to fine-tune a signal’s highs and lows.  
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31  
Glossary  
gain  
level  
The measure of extra amplification applied to an audio signal. Channels  
1 – 4 on your iMultiMix 8 USB have gain controls, which are useful for  
boosting mic and line signals.  
The amount of power driving an audio signal. The most common  
names given to levels of varying voltage are, from lowest to highest,  
microphone level, instrument level and line level.  
master section  
mic preamp  
mixer  
The section of a mixer where the main mix is controlled.  
An amplifier that boosts a microphone-level signal up to line level.  
A device whose purpose is to combine and output a number of audio  
signals, allowing various types of signal manipulation.  
mono (monaural)  
pan  
Refers to an audio signal that has only one channel. The opposite of  
stereo.  
A control that lets you position a mono signal within the stereo spectrum  
by altering the level of the signal being sent to the left channel as  
opposed to the right.  
phantom power  
A way of providing power to condenser microphones. Called  
“phantom” because the power isn’t apparent to dynamic microphones  
when you connect them to an input that provides phantom power.  
post-fader  
pre-fader  
return  
Describes an aux send that sends a signal that already has passed through  
the channel fader.  
Describes an aux send that sends a signal that has not passed through the  
channel fader.  
A line input whose function is to carry back to the mixer an audio signal  
that has been sent from the mixer. Usually used in the application of  
effects.  
send  
A line output whose function is to send a signal from the mixer to an  
external device, usually an effects processor.  
stereo  
Refers to an audio signal that has two channels.  
unity gain  
Refers to the setting of an audio channel at which the signal leaves the  
channel at the same level at which it entered.  
wet  
An audio signal that has had effects or other manipulations applied. The  
opposite of “dry.”  
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32  
Warranty / Contact  
Alesis Limited Warranty  
ALESIS CORPORATION ("ALESIS") warrants this product to be free of defects  
in material and workmanship for a period of one (1) year for parts and for a period of  
one (1) year for labor from the date of original retail purchase. This warranty is  
enforceable only by the original retail purchaser and cannot be transferred or assigned.  
For the most effective service, the purchaser should register the purchase on the  
For more effective service  
and product update notices,  
please register your  
iMultiMix 8 USB online at:  
During the warranty period ALESIS shall, at its sole and absolute option, either repair  
or replace free of charge any product that proves to be defective on inspection by  
ALESIS or its authorized service representative. In all cases disputes concerning this  
warranty shall be resolved as prescribed by law.  
support/warranty.htm  
To obtain warranty service, the purchaser must first call or write ALESIS at the  
address and telephone number available on the Alesis Website to obtain a Return  
Authorization Number and instructions concerning where to return the unit for  
service. All inquiries must be accompanied by a description of the problem. All  
authorized returns must be sent to ALESIS or an authorized ALESIS repair facility  
postage prepaid, insured and properly packaged. Proof of purchase must be  
presented in the form of a bill of sale, canceled check or some other positive proof  
that the product is within the warranty period. ALESIS reserves the right to update  
any unit returned for repair. ALESIS reserves the right to change or improve design  
of the product at any time without prior notice.  
This warranty does not cover claims for damage due to abuse, neglect, alteration or  
attempted repair by unauthorized personnel, and is limited to failures arising during  
normal use that are due to defects in material or workmanship in the product.  
THE ABOVE WARRANTIES ARE IN LIEU OF ANY OTHER  
WARRANTIES OR REPRESENTATIONS WHETHER EXPRESS OR  
IMPLIED OR OTHERWISE, WITH RESPECT TO THE PRODUCT, AND  
SPECIFICALLY EXCLUDE ANY IMPLIED WARRANTIES OF FITNESS  
FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OR OTHER  
IMPLIED WARRANTIES. Some states do not allow limitations on how long an  
implied warranty lasts, so the above limitation may not apply to you.  
IN NO EVENT WILL ALESIS BE LIABLE FOR INCIDENTAL,  
CONSEQUENTIAL, INDIRECT OR OTHER DAMAGES RESULTING  
FROM THE BREACH OF ANY EXPRESS OR IMPLIED WARRANTY,  
INCLUDING, AMONG OTHER THINGS, DAMAGE TO PROPERTY,  
DAMAGE BASED ON INCONVENIENCE OR ON LOSS OF USE OF THE  
PRODUCT, AND, TO THE EXTENT PERMITTED BY LAW, DAMAGES  
FOR PERSONAL INJURY. Some states do not allow the exclusion or limitation of  
incidental or consequential damages, so the above limitation or exclusion may not  
apply to you.  
THIS CONTRACT SHALL BE GOVERNED BY THE INTERNAL LAWS OF  
THE STATE OF CALIFORNIA WITHOUT REFERENCE TO CONFLICTS  
OF LAWS. This warranty gives you specific legal rights, and you may also have other  
rights required by law which vary from state to state.  
This warranty only applies to products sold to purchasers in the United States of  
America or Canada. The terms of this warranty and any obligations of Alesis under  
this warranty shall apply only within the country of sale. Without limiting the  
foregoing, repairs under this warranty shall be made only by a duly authorized Alesis  
service representative in the country of sale. For warranty information in all other  
countries please refer to your local distributor.  
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33  
Warranty/Contact  
Alesis Contact Information  
Alesis, LLC  
Los Angeles, CA USA  
E-mail:  
Web site:  
iMultiMix 8 USB Reference Manual  
Revision 1.0 by Edwin Erdmann, Fred Morgenstern, Stephan Vankov  
Copyright 2007, Alesis, LLC. All rights reserved  
Reproduction in whole or in part is prohibited. “iMultiMix 8 USB”  
is a trademark of Alesis, LLC. Specifications subject to change  
without notice.  
7-51-0237-C  
7/06/2007  
7-51-0237-C  
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34  

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