background image

  7

 

Block Diagrams

 

  

36 

 

 

This page intentionally left blank. 

Summary of Contents for iMultiMix 16 USB

Page 1: ...Reference Manual ...

Page 2: ...This page intentionally left blank 10 20 30 40 50 60 70 80 90 100 ...

Page 3: ...LINE INPUTS Channels 3 8 14 4 LINE INPUTS Channels 9 16 14 5 DIGITAL OUT Jack 14 6 PHONES Jack 14 7 AUX RETURNS 14 8 AUX SENDS 15 9 ALT 3 4 OUT 15 10 2 TRACK 15 11 MAIN MIX OUT 15 12 CTRL RM OUT 15 Channel Strips 15 1 Fader 15 2 MUTE ALT 3 4 16 3 PFL SOLO 16 4 PAN or BAL 16 5 AUX 16 6 EQ 17 Master Section 17 1 MAIN MIX Fader 17 2 ALT 3 4 Fader 17 3 2TK TO MIX 17 4 ALT 3 4 TO Mix 17 5 SOLO MODE 18 ...

Page 4: ...am Selection Knob 23 2 PROGRAM LED Display 23 3 CLIP Indicator 23 4 SIG Indicator 23 Effect Descriptions 23 HALL 23 ROOM 23 PLATE 23 CHAMBER 23 CHORUS 24 FLANGE 24 DELAY 24 PITCH 24 MULTI MULTI 2 24 Chapter Four Applications 25 Simple Recording Setup 25 Recording to iPod 25 Simple Live Setup 26 Using Additional External Audio Sources 26 Digital Output to a Digital Recorder 26 Using the iMultiMix16...

Page 5: ...le Of Contents 3 Chapter Five Troubleshooting 29 Chapter Six Specifications 33 Chapter Seven Block Diagram 35 Glossary 37 Warranty Contact Alesis 39 Alesis Limited Warranty 39 Alesis Contact Information 40 ...

Page 6: ...Table Of Contents 4 This page intentionally left blank ...

Page 7: ...ll 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 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 inve...

Page 8: ... connect other equipment and instruments the iMultiMix USB offers endless possibilities iMultiMix16 USB Key Features 8 channels with mic line inputs 4 stereo channels with line inputs Switchable guitar inputs on channels 1 2 these high impedance inputs are specifically designed for electric guitars and basses Clean and powerful preamps up to 50dB of preamp gain for capturing quiet sources Globally...

Page 9: ... playback with Windows and Macintosh computers PFL Solo in place functionality per channel isolates a channel with a single push of a button Mute Alt 3 4 assign per channel lets you mute a channel and at the same time route its signal to the mixer s ALT 3 4 output a separate stereo bus Independent Main Mix and Alt 3 4 levels permits you to separately command the levels of the iMultiMix USB s two s...

Page 10: ...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 USB including some tips on what goes where when you re hooking everything up Chapter 5 Troubleshooting can give you a hand if you re experiencing...

Page 11: ...t 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 11 which will give you some ideas o...

Page 12: ...Introduction 10 This page intentionally left blank ...

Page 13: ...rding or to a PA system for live performance DAT Recorder or other S PDIF device Guitar or other mono instrument Effects Processor Power Amplifier Studio Monitors Computer Microphones Headphones Mixdown Tape Deck Power Outlet iPod USB cable Or other line level stereo instrument Keyboard Sampler FOR RECORDING LIVE Digital Audio Workstation Or other device PA System ADAT Be sure to follow the guidel...

Page 14: ... coaxial cables with shielded RCA connectors on each end Better to get the high quality S PDIF cables and save yourself some unnecessary grief Setting Levels Before you can begin mixing different audio sources with your iMultiMix USB you must set the level for each channel you re using This helps to prevent distortion and clipping Here s how 1 Slide the channel fader to unity gain 0 2 Turn the AUX...

Page 15: ...an adjust with the Gain knob Another useful feature of these mic inputs 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 instrume...

Page 16: ... These inputs are also good for connecting CD players or tape decks as these audio sources don t require extra gain 5 DIGITAL OUT Jack The digital output jack is used to send the 44 1 kHz stereo audio signal to an Alesis Masterlink or any other recording device such as a DAT recorder or a PC with an S PDIF enabled sound card installed Always use a high quality cable when connecting the DIGITAL OUT...

Page 17: ...ou can send it to a recorder or a PA system The level of this signal is controlled by the MAIN MIX fader 12 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 can carry several different signals depending on which source you have selected in the master section of the mixer Channel Strips The eight ch...

Page 18: ...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 5 AUX H...

Page 19: ...er The signals from all channels and aux sends excluding those that are muted are sent to the main mix The MAIN MIX fader is the one you ll use to control the overall level of those combined signals This fader affects the levels of the signals sent to the MAIN MIX OUT the DIGITAL OUT 12FXD and16FXD models only and the 2 TRACK OUT In its lowest position the signal is cut off completely and in the u...

Page 20: ...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 7 MIX Switch Pressing the MIX switch routes the main mi...

Page 21: ...trols the effect level If AUX SEND B is connected to an external device this knob controls the level for AUX RETURN B 12 LED Meters These are the two rows of yellow green and red lights you see in the master section of the mixer They are very versatile allowing you to view the signal level of the main mix individual channels both pre and post fader and aux returns depending on which signal you hav...

Page 22: ...e distorted recording It is important that you avoid this by listening to the iPod Rec Monitor signal before it enters your iPod in case the LIMITER is producing unwanted artifacts Adjust the iPod RECORD LEVEL fader so the recording is loud yet still retains a good dynamic range 4 iPod Control Buttons These buttons are used for your iPod s navigation controls They work just the same as they do on ...

Page 23: ...r so you can listen to the effect that the Limiter is having on the recording When you press this button down be sure the other CONTROL ROOM routing buttons MIX ALT 3 4 and 2 TK are all raised not engaged If both any of these are down at the same time as this one you will not hear a true representation of what is being recorded to the iPod While it s connected to the iMultiMix your iPod will charg...

Page 24: ...xer has power Switch it off and it doesn t Make sure the faders in the master section are pulled all the way down when powering your mixer up or down 3 PHANTOM ON This switch activates and deactivates the phantom power described in Mic Inputs Channels 1 8 page 13 This switch controls phantom power for all four mic inputs 4 USB Port This port allows you to connect the iMultiMix USB to a computer fo...

Page 25: ...b You must PRESS the effect knob to activate the selected effect 2 PROGRAM LED Display This display shows you the number of the current program 3 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 4 SIG Indicator When lit this LED indicates that the effects process...

Page 26: ...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 ...

Page 27: ...st fader 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 USB 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 yo...

Page 28: ...ACK 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 Digital Output to a Digital Recorder Connect the S PDIF DIGITAL OUT of your iMultiMix USB console to the DIGITAL IN on your external digital recorder 12 channel and 16 channel models only iPod Model Play...

Page 29: ... the TAPE IN left and right channels of your iMultiMix USB mixer Note that if a device is connected to the iMultiMix USB 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 iMultiMix USB is recognized correctly by your computer always turn the iMultiMix USB on a few seconds before inserting the USB ca...

Page 30: ...your default sound recording and sound playback device Connection instructions for Macintosh OS X only After plugging in the iMultiMix USB select USB Audio CODEC in the Sound area of System Preferences No other action is required The iMultiMix16 USB is not designed for use with Mac OS9 and below ...

Page 31: ...cables are plugged in securely Headphones are not plugged into PHONE jack Plug headphones into PHONE jack Monitor or headphone amplifier is turned off or down Turn amplifier on or up No sound from the mixer Bad cable Check all cables substitute cables with known good ones Channel level is too high Set channel levels using the procedure on page 12 Channel input is too high Turn down your instrument...

Page 32: ...t the microphone on other audio devices If you detect damage contact the manufacturer or dealer Fader is too low Raise channel fader Instrument volume is too low Turn up the instrument s volume control If problem persists check the instrument by plugging headphones into the instrument s phone jack Channel is muted Check the MUTE ALT 3 4 switch No or low sound from a channel Gain is too low Adjust ...

Page 33: ...ble back in If this does not work leave the iMultiMix USB 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 iMultiMix USB but no sound is received and or transmitted iMultiMix 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 so...

Page 34: ...5 Troubleshooting 32 This page intentionally left blank ...

Page 35: ... to 10dB Master Levels Main Mix Ctrl Room Gain Range to 10dB 1 4 Inputs Stereo Aux Return Level 4dBu nominal 20dBu maximum RCA Inputs Tape In Level 10dBV nominal 5dBV maximum 1 4 Outputs Main Mix Ctrl Room Aux 3 4 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 USB Conn...

Page 36: ...6 Specifications 34 This page intentionally left blank ...

Page 37: ...7 Block Diagram 35 ...

Page 38: ...7 Block Diagrams 36 This page intentionally left blank ...

Page 39: ...o 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 s XLR mic inputs dB decibel A common unit of measure for audio detent 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...

Page 40: ...t 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 Describes an aux send that sends a signa...

Page 41: ...tempted repairbyunauthorized personnel and is limited to failures arising during normalusethatareduetodefects in materialorworkmanshipintheproduct THEABOVEWARRANTIES AREIN LIEUOF ANYOTHER WARRANTIES OR REPRESENTATIONSWHETHER EXPRESS OR IMPLIED OR OTHERWISE WITH RESPECT TO THE PRODUCT AND SPECIFICALLYEXCLUDEANYIMPLIED WARRANTIES OF FITNESS FOR A PARTICULARPURPOSE OR MERCHANTABILITYOROTHER IMPLIED W...

Page 42: ... com Web site http www alesis com iMultiMix16 USB Reference Manual Copyright 2008 Alesis Distribution LLC All rights reserved Reproduction in whole or in part is prohibited iMultiMix and iMultiMix16 USB are trademarks of Alesis LLC Specifications subject to change without notice 7 51 0256 A 06 19 2008 7 51 0256 A ...

Page 43: ......

Page 44: ......

Reviews: