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828
User Guide
1280 Massachusetts Avenue
Cambridge, MA 02138
Business voice: (617) 576-2760
Business fax: (617) 576-3609
Title Page
Web site: www.motu.com
Tech support: www.motu.com/support

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Summary of Contents for MOTU 828

  • Page 1 ™ User Guide 1280 Massachusetts Avenue Cambridge, MA 02138 Business voice: (617) 576-2760 Business fax: (617) 576-3609 Title Page Web site: www.motu.com Tech support: www.motu.com/support...
  • Page 2 The MOTU product is equipped with a three-conductor cord and grounding type plug which has a grounding prong, approved by Underwriters' Laboratories and the Canadian Standards Association. This plug requires a mating three-conductor grounded type outlet as shown in Figure A below. If the outlet you are planning to use for the MOTU product is of the two prong type, DO NOT REMOVE OR ALTER THE GROUNDING PRONG IN ANY MANNER.
  • Page 3 Your right to use the program and the If you discover a defect, first contact MOTU technical support by phone, email or web documentation are limited to the terms and conditions described in the license (motu.com/support) to verify the warranty on your MOTU equipment and obtain a...
  • Page 4 This equipment has been type tested and found to comply with the limits for a class B If necessary, you can consult a dealer or experienced radio/television technician for digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to additional assistance.
  • Page 5: Table Of Contents

    828 Front Panel 828 Rear Panel About the 828 Packing List and System Requirements Software Installation Hardware Installation Part 2: Using the 828 Front Panel Operation CueMix 5 Working with Host Audio Software Optical Expander Mode Part 3: Appendices Troubleshooting...
  • Page 7: Part 1: Getting Started

    Part1 Getting Started...
  • Page 9: Quick Start Guide

    FOR ALL USERS 6 As shown on the next page, connect speakers to easy steps to get started quickly. the 828 Main Out Left/Right, or connect a pair of MAC USERS START HERE headphones to either headphone output on the 1 Visit motu.com/828-start to download and run...
  • Page 10: Typical 828 Setup

    A Typical 828 Setup Mic or guitar Mic or guitar Headphones Main speakers Keyboards and synths Word clock I/O expansion Home theater Surround speakers Aux speakers generator/distributor Mac, PC or iOS device MIDI modules MIDI controller Foot pedal Studio/stage monitors...
  • Page 11 828 Front Panel 1. These XLR/TRS combo jacks accept a mic cable or a pairs of studio monitors connected to the 828 XLR 8. Turn the MENU knob to enter the LCD menu and 11. Push SELECT (or turn the MENU knob) to enter the quarter-inch cable, balanced or unbalanced, from a main outs and Line Out 3-4, as explained by “A/B...
  • Page 12 1 dB incre- I/O connection with the 828. See “Syncing word clock Connect the 828 MIDI OUT port to the MIDI IN port on the trim can be adjusted from the Device Tab in the CueMix 5 ments from the included CueMix 5 app.
  • Page 13: About The 828

    About the 828 CHAPTER The 828 is an 28 x 32 USB audio interface with All inputs and outputs are discrete. For example, mixing, DSP effects, and very high quality using a mic input does not “steal” an input from A/D/A conversion at sample rates up to 192 kHz the TRS analog I/O bank.
  • Page 14 On-board DSP with mixing and processing output in two different formats: RCA “coax” and The 828 is equipped with a DSP engine that drives optical “TOSLink”. The RCA jacks are dedicated to a 44 x 16 monitor mixer, which supplies each the S/PDIF format.
  • Page 15 I/O. You can access many software package for Mac and Windows that is hardware settings directly from the front panel. available as a free download for you as an 828 owner. Visit motu.com/download to obtain your Two independent headphone outputs copy.
  • Page 16 A B O U T T H E 8 2 8...
  • Page 17: Packing List And System Requirements

    CHAPTER System Requirements PACKING LIST PLEASE REGISTER TODAY! The 828 ships with the items listed below. If any of Please register the 828 today: visit these items are not present in the box when you www.motu.com/register. first open it, please immediately contact your As a registered user, you will be eligible to receive dealer or MOTU.
  • Page 18 P A C K I N G L I S T A N D S Y S T E M R E Q U I R E M E N T S...
  • Page 19: Software Installation

    SOFTWARE INSTALLATION If you don’t want to operate the 828 as a USB audio Software installation ........19 class compliant device, or if you are using Audio drivers .
  • Page 20: Cuemix 5 App

    Enable the Sync Windows sample rate to device support for WDM (Wave) compatible audio option (item #16 on page 44) to link the 828 software. See item #15 on page 44. sample rate setting with the sample rate setting in Windows.
  • Page 21: Working With Host Audio Software

    Utilities. If it has been moved, just search for Figure 3-2: Connecting devices to the 828. In this example, a controller keyboard is connected to the 828’s MIDI IN, and a sound module is Audio MIDI Setup. connected to the 828 MIDI OUT.
  • Page 22 3 Double-click the device to make settings, such as input and output channels, that further describe the device. Figure 3-3: Device settings. 4 Repeat the above steps for each MIDI device connected to the interface. 5 When you are finished, quit Audio MIDI Setup. Your configuration is automatically saved as the default configuration, and it is shared with all Core MIDI-compatible applications.
  • Page 23: Hardware Installation

    A typical 828 setup ........
  • Page 24: Ios Setup (Lightning)

    48V phantom power AC power If you are connecting a condenser microphone or another device that requires phantom power, Use the 828 as an iOS audio interface, or control it engage the corresponding front-panel phantom from your iOS device. power button.
  • Page 25 Mic insert gain staging Use these guidelines for 48V phantom power, pad The 828 mic inputs provide 74 dB of signal gain. and gain settings on the two combo input jacks: The first 54 dB of gain occur before the insert point, while the final 20 dB occur after.
  • Page 26 Pre/Post Fx switch for line inputs Main outs Each analog input provides EQ and compression. Like all I/O on the 828, the XLR main outputs The mic/line/inst inputs include gating. These operate as an independent pair (they don’t share effects can be applied to the input as needed (items signal with any other output pair).
  • Page 27 Alternately, you can choose other sources, such as that Patch Thru is disabled for these tracks in your the line inputs or one of the 828’s mix buses. For DAW. In CueMix 5, go to the mix for the amp...
  • Page 28: Midi Connections

    MIDI cables MIDI Thru Connection B Connection A The 828 MIDI OUT port can be configured as a MIDI MIDI MIDI THRU port. To do so, use the MIDI Thru MIDI Device setting in the CueMix 5 Device tab (item #7 on page 43).
  • Page 29: Foot Switch Connection

    Device A Device B SYNCHRONIZATION If you connect devices digitally to the 828, or if you Figure 4-8: When transferring audio, two devices must have phase- need to synchronize the 828 with an outside time locked audio clocks to prevent clicks, pops or other artifacts.
  • Page 30: Syncing S/Pdif Devices

    828 to the other device) If the optical device has word clock connectors on Figure 4-10: The setup for synchronizing a S/PDIF device with the 828. it, you can use them to synchronize the device Sync is achieved via the digital I/O connection itself.
  • Page 31: Syncing Word Clock Devices

    WORD CLOCK IN port, Slave and so on. If the 828 is in the middle of the chain, Figure 4-12: Slaving the 828 to word clock. For the 828 clock source, choose ‘Word Clock In’ .
  • Page 32 H A R D W A R E I N S T A L L A T I O N...
  • Page 33: Part2 Using The 828

    Part2 Using the 828...
  • Page 35 In its default state when the unit is first powered on, the LCD screen displays level meter activity for independent volume, and the 828’s control room features. The high-resolution LCD screen displays all audio inputs and outputs (Figure 5-2).
  • Page 36: Front Panel Operation

    Lock icon (Figure 5-2) as All meters and Analog I/O only. These can be turns green. When the 828 has not yet successfully chosen from the MENU (see the next section). locked to the current clock source for some reason, the lock icon turns red.
  • Page 37 Lets you choose a desired metering configu- THE MONITOR GROUP ration, such as All Meters, Analog I/O Only, etc. The 828 Monitor Group allows you to add additional analog outputs to be controlled as a Meter Settings Lets you set the peak/hold time for the meters.
  • Page 38 1-2 when additional channels are included in the A/B MODE Monitor Group. The 828 front panel provides controls for the primary and secondary monitors in your studio, labeled A and B, respectively (Figure 5-6). These controls are also available in the CueMix 5 Home tab (page 42) and Output tab (page 46), so Figure 5-4: The Monitor Group.
  • Page 39 This gives you control over the relative volume between the talkback mic signal and all 1 Plug in a microphone to the 828 Mic input 1 or other audio on the mix bus. To control overall 2. Enable 48V phantom power, if it is a condenser volume of everything, use the bus fader.
  • Page 40 F R O N T P A N E L O P E R A T I O N...
  • Page 41: Cuemix 5

    Gen 5 installer or setup and run it on your application installed on your Mac or PC when you run the MOTU Gen 5 installer or setup app. It can computer. Visit the Apple App Store to install the CueMix 5 app on your iOS device.
  • Page 42: Home Tab

    10. The Talkback section provides access to connected devices and 12. Here, Line Inputs 5-6 have been 828 is a capable 44 x 16 monitor controls for setting up and devices on the network. See routed to the main outs. More mixer.
  • Page 43: Device Tab

    Discovery tab, which allows you to this master source. Set the clock computer output with the 828’s 9. If you wish to use the 828 as an manage multiple devices that are source to Internal, unless you have physical inputs. By default, each mix...
  • Page 44: Device Tab Continued

    19. Displays the Firmware Version Host Buffer Size. Smaller values rate to device option to link this the settings in the 828, including all currently installed in your 828 unit. reduce latency but increase your sample rate setting with the sample the mixes and all the settings in the 20.
  • Page 45: Input Tab

    DAW with th Post Fx 7. Enable the Foot Switch input here Input access to settings for the 828 analog analog input channel strip provides option, the effects cannot be (7a). Note that when you enable the and digital inputs.
  • Page 46: Output Tab

    4. A/B Monitoring lets you connect two from your host audio software, as menu lets you send any 828 monitor panel of the 828 and in the Home sets of speakers and then check your shown in the menu. Alternately, you mix (or any analog input pair) to the tab (item #8 on page 42).
  • Page 47: Mix Tabs

    2. The Reverb tab lets you apply the output. you can collapse the strip using the the Main Out 1-2 output pair 828’s built-in reverb to any input widget at the bottom of the strip. (available as a channel) For example, for a studio session,...
  • Page 48: Mix Inputs

    2. These are the eight line inputs on the audio being sent to the mix’s output mixes include the optical channels. rear panel of the 828. All mixes pair from host audio software (over 8. This is the master fader for the mix include these channels.
  • Page 49: Input Channel Strip

    INPUT CHANNEL STRIP 1. Click this EQ thumbnail to access the parametric EQ and other channel settings. EQ is only available on analog inputs and mix bus master faders. See “Multi- band parametric EQ” on page 51. 2. Click this thumbnail to access the Gate, Compressor and other channel settings.
  • Page 50: Channel Settings

    CHANNEL SETTINGS Click any of the items at the top of a 4. Drag the Frequency/Gain handle for 8. Click filter settings to edit them 12. Click to access the Parametric EQ channel strip (items #1, 2 or 3 on an EQ band to change the frequency directly.
  • Page 51: Mixer Effects

    The EQ, compressor, gate and reverb processor in Analog input channels (items #1 and 2 on page 48) the 828 are available when operating the unit at 1x provide four bands of center-frequency and 2x samples rates. At 4x sample rates (176.4 or parametric EQ filtering as shown on page 50.
  • Page 52: Gate

    GATE COMPRESSOR Mic/line/inst channels 1-2 (item 1 on page 48) All analog input channels (items 1 and 2 on provide a Gate (Figure 6-1). page 48) provide a Compressor (Figure 6-2). Gain reduction meter Threshold Threshold handle handle Figure 6-1: The Gate. Figure 6-2: The Compressor.
  • Page 53: Reverb

    REVERB Predelay Predelay is the amount of time before the acoustic To access the reverb settings: go to the Reverb bus energy from the source returns to the listener, tab (item #2 on page 47) and then click the after reflecting off the surfaces of the listening thumbnail at the top of the reverb bus fader, as space.
  • Page 54: Mix Input Meters

    MIX INPUT METERS preset saves the entire state of the 828 interface, The Mix Input Meters menu (item #5 on page 43) including all device settings, mixes and effects offers two settings: Pre-fader or Post-fader. This settings. setting lets you choose whether the input meters...
  • Page 55: Discovery Tab

    (item #15 on page 42) to access the to switch to another device. You can menu items shown below. the same as above for the 828: it lets Discovery tab, which allows you to stay logged in while switching to you work with CueMix 5 settings for 3.
  • Page 56 C U E M I X 5...
  • Page 57 Choose the 828........
  • Page 58: Working With Host Audio Software

    This delay is caused by the amount of time it takes Figure 7-1: Choosing the MOTU Pro Audio ASIO driver in Cubase. for audio to make the entire round trip through your computer, from when it first enters an input...
  • Page 59 (EQ, compression and reverb), which delayed. can be applied to the signal. Adjusting your host software audio buffer Buffers are small bundles of audio data. The 828 Direct hardware playthrough / Direct ASIO monitoring “speaks” to your computer in buffers, rather than When managing your live monitor mix through one sample at a time.
  • Page 60 Figure 7-3: In Cubase or Nuendo, choose Devices menu > Device Setup. hand, if you increase the buffer size, you reduce Select your interface (828), then click the Control Panel button to access the load on your computer, freeing up bandwidth the window above and the Buffer Size setting.
  • Page 61 828 audio driver to send USB audio output channels because they are the first channels in the from your computer – or any 828 mix – back to list, which may be the only two channels that the the computer.
  • Page 62 W O R K I N G W I T H H O S T A U D I O S O F T W A R E...
  • Page 63: Optical Expander Mode

    Enabling Optical Expander Mode ..... . . 63 page 43) for the 828 matches the sample rate of the Setting the sample rate....... . . 63 other device.
  • Page 64 CHANNEL MAPPING AT 1X CHANNEL MAPPING AT 2X At 1x sample rates, the 828’s two optical banks are At 2x sample rates, the 828’s two optical banks are mapped as follows: mapped as follows: Optical Input Destination Optical Input Destination...
  • Page 65: Part3 Appendices

    Part3 Appendices...
  • Page 67: Troubleshooting

    Troubleshooting APPENDIX My 828 isn’t showing up in Audio MIDI Setup on my How do I factory reset my device? Mac. Push SELECT or turn the MENU knob to enter Due to the updated architecture of macOS High the main menu. Navigate to RESET and tap the Sierra (10.13) and above, the system extensions for...
  • Page 68 The pages in the manual that refer to the motu.com/support: features or operation of your MOTU Device or Performer Lite with which you are having trouble. Live Chat: You can connect directly with a technician Monday through Friday between The version of your computer’s operating...
  • Page 69: Audio Specifications

    Audio Specifications APPENDIX MIC in Connector Type Combo-style, XLR / TRS Pin 2 hot, tip hot Impedance load 2.8 k ohm -20 dB, Switchable per channel Phantom power +48V, switchable per channel DIN 45596 / IEC 61938-P48 -129 dBu A-weighted, 20-20k, 150 ohm Dynamic Range 118 dB A-weighted...
  • Page 70 Line In Connector Type 1/4” Female, TRS Balanced/unbalanced, Tip hot Specification Complies with EBU-R68 / SMPTE RP-155 Impedance Load 20 k ohm balanced Dynamic Range 120 dB A-weighted THD+N -114 dB 1kHz, 20dBu, 0dB Trim, unweighted Frequency Response ±0.05 dB, 20 Hz-20 kHz Ref.
  • Page 71 S/PDIF Connector Type Input Termination 75 ohm Lock Range 44.1k/48k, +/- 0.5% 1x, 2x Input Voltage Range 0.2 - 0.6 V Output Drive 0.5 Vp Specification IEC-958/60968-3 Word Clock In/Out/Thru Specification AES-11 2009 Annex B Connector Type Termination 75 ohm (in/out) THRU is unterminated Lock Range 44.1 kHz / 48kHz, +- 0.5%...
  • Page 72 A P P E N D I X B : A U D I O S P E C I F I C A T I O N S...
  • Page 73: Index

    2x SMUX mode Condenser mic input 48V phantom power Connect to IP address Effects 5.1/7.1 surround monitoring 11, 12, 37, 46 Connect to virtual 828 Enable Windows Audio Streams Connect to virtual UltraLite-mk5 ASIO driver Controller enabling presets 44, 54...
  • Page 74 42, 55 26, 45 with/without FX 57, 58 Pro Tools Logic Pro 57, 58 MONO button 11, 38 Processing clock source MOTU sample rate Digital Performer Loopback Gen 5 ASIO driver location 43, 61 Gen5 Installer 9, 41 source QuickStart Guide...
  • Page 75 12, 14, 27, 45, 46 Reason connecting TOSLink Propellerhead Reason Source monitoring live Registration optical output output source Release RCA S/PDIF 28, 46 Trim Compressor TRS analog inputs/outputs Gate Stage monitors TRS connectors Reset connecting Return Stand-alone operation return 12, 36 Steinberg Unbalanced analog Reverb...
  • Page 76 I N D E X...

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