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Reference Manual 
 
 
 
 
 
 
 
 
 
 
 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
                    
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                            Table Of Contents   Introduction..........................................................5  Welcome!......................................................................................................5  About the MultiMix USB2.0..............................................6  All-In-One Mixer and Multichannel Computer Audio  Interface .......................................................................................................6  MultiMix USB2.0 Key Features .....................
                    
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                        Table Of Contents      Chapter Three: Digital Effects  Processor ...............................................................19  Effects Section Components ............................................19  Program Selection Knob ...........................................................................19  LED Display................................................................................................19  CLIP Indicator .................................................................
                    
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                         Table Of Contents    Using the MultiMix USB2.0 with CoreAudio  on the Macintosh ................................................................42  Chapter Six: Troubleshooting:  Hardware...............................................................43  Chapter Seven: Troubleshooting:  Software.................................................................47  Computer or audio application does not see  the MultiMix USB2.0..........................................................47  Basic trou
                    
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                             Introduction    Welcome!    Thank you for making the Alesis MultiMix USB2.0 a part of your  studio.  Since 1984, we've been designing and building creative  For more effective service  tools for the audio community.  We believe in our products, and product update notices,  please register your  because we've heard the results that creative people like you have  MultiMix USB2.0 mixer  achieved with them.  One of Alesis' goals is to make high-quality  online at:  studio equipment available to
                    
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                          Introduction  About the MultiMix USB2.0    The MultiMix USB2.0 mixers are the latest in the large family of  Alesis audio mixers and the second series that includes computer  interfacing (following on the launch of the MultiMix USB mixers  in 2004, the MultiMix FireWire mixers in 2005, and the iMultiMix8  USB-with-iPod mixer in 2007).     We’ve come a long way since introducing our first mixing console  in 1989. Since that time audio technology has grown in leaps and  bounds, pushing up qualit
                    
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                         Introduction    from the computer, all in 24-bit, 44.1/48/88.2/96 kHz  digital audio.     ASIO and WDM computer drivers – lets you use the  MultiMix USB2.0 with the vast majority of digital audio  workstation programs.   Clean and powerful preamps – up to 50dB of preamp  gain for capturing quiet sources.  Globally switched  phantom power.   Stereo inputs – Two stereo pairs.  Great for line-level  instruments.   Internal digital effects processor with 100 preset  effects and an easy-to-read disp
                    
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                          Introduction  How to Use This Manual    This manual is divided into the following sections describing the  Helpful tips and adv various functions and applications of the MultiMix consoles.  While it's a good idea to read through the entire manual once  shaded box like this carefully, those having general knowledge about mixing should use  Helpful tips and advice are  the table of contents to look up specific functions.  highlighted in a shaded box    like this.  Chapter 1: Getting Started show
                    
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                         Introduction    A Few Words for Beginners     We realize that some of you who have purchased the MultiMix  USB2.0 are fairly new to the art of mixing and computer  recording.  We’ve written this manual with that in mind. We  designed the MultiMix 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  Many mixer manuals—and manuals for just about any electronic  set 
                    
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                           1 Getting Started      Important:  download the drivers from http://www.alesis.com onto a  folder on your desktop or insert the software CD into your computer’s  CD drive BEFORE you plug your MultiMix into your computer  for the first time.     See page 23 for details.        Hooking up the MultiMix USB2.0    This diagram will help you get the MultiMix USB2.0 hooked up  Be sure to follow the  and ready to go. The equipment you use depends on personal guidelines for which cables to  use (furth
                    
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                        Getting Started  1     Using Proper Cables    When connecting instruments and other equipment to the  MultiMix, 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 2.0 cable to connect one of the USB 2.0 ports  to a computer.        Setting Levels    Before 
                    
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                           2 A Tour of the MultiMix USB2.0   In this chapter, you’ll learn all about the MultiMix’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 MultiMix, you’ll find the  patchbay. This is where you plug in instruments, signal processors,  multitrack recorders and other devices. Whatever you need to  
                    
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                        A Tour of the MultiMix USB2.0  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.  Synthesizers and other electronic instruments will work especially  well on these channels.
                    
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                         A Tour of the MultiMix USB2.0   2   This output can carry several different signals, depending on which  source you have selected in the master section of the mixer.       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 
                    
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                        A Tour of the MultiMix USB2.0  2   EQ    The MultiMix 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  
                    
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                         A Tour of the MultiMix USB2.0   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  
                    
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                        A Tour of the MultiMix USB2.0  2     Rear of the Mixer    Here’s what you’ll find at the rear of the mixer.                      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  The POWER INPUT is built  plug the power supply into an electrical outlet.   to accept only the power    supply unit provided with  your MultiMix, or an AC  Power Supply Unit  power supply that has the    same specs. Others pro