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APPENDIX

105

Audio Specifications

MIC in

Connector Type

Combo-style, XLR / TRS

Pin 2 hot, tip hot

XLR

Impedance load

2.65 k ohm

Pad

-20 dB, Switchable per channel

Phantom power

+48 v, switchable per channel

DIN 45596 / IEC 61938-P48

EIN

-128 dBu

XLR Terminated

Dynamic Range

118 dB

A-weighted

THD+N

-107 dB

Unweighted

Frequency Response

+0 -0.1 dB, 20 Hz/20 kHz

Ref. 1 kHz

Max Level In with Pad

+24 dBu

Max Level In without Pad

+5 dBu

Trim range

0 to +63 dB in 1 dB steps

TRS

Description

Balanced or single ended

Suitable for line or instrument (guitar)

Impedance Load

1 meg ohm

differential

Pad

-20 dB, Switchable per channel

Phantom power

Dynamic Range

118 dB

A-weighted

THD+N

-107 dB

-2 dBFS, Unweighted

Frequency Response

+0 -0.1 dB, 20 Hz/20 kHz

Ref. 1 kHz

Max Level in with Pad

+17 dBu

Max Level in without Pad

+5 dBu

Trim range

0 to +63 dB in 1 dB steps

Содержание 828es

Страница 1: ...828es 1280 Massachusetts Avenue Cambridge MA 02138 Business voice 617 576 2760 Business fax 617 576 3609 Web site www motu com Tech support www motu com support Title Page UserGuide...

Страница 2: ...ding typeplug Apolarizedplughastwobladeswithonewiderthantheother Agrounding typeplughastwobladesandathirdgroundingprong Thewidebladeorthethirdprongareprovidedforyoursafety Iftheprovidedplugdoesnotfiti...

Страница 3: ...ng List and System Requirements 29 Software Installation 33 Hardware Installation Part2 Usingthe828es 53 Presets 57 Front Panel Operation 63 Working with Host Audio Software 71 Mixer Effects 79 MOTU A...

Страница 4: ...sinmaterialsandworkmanshipforaperiodofTWO 2 YEARSfromthe dateoforiginalretailpurchase Thiswarrantyappliesonlytohardwareproducts MOTUsoftwareislicensedandwarrantedpursuanttoseparatewrittenstatements If...

Страница 5: ...Part1 GettingStarted...

Страница 6: ......

Страница 7: ...e 828es to the Mac s Ethernet port with a standard CAT 5e or CAT 6 Ethernet cable sold separately 4 Switch on the 828es 5 Open the MOTU Pro Audio Control web app by doing one of the following Choose t...

Страница 8: ...8...

Страница 9: ...cycle among several screen sets or returnhome after menu navigation UsetheMENUknobandBACKbuttonformenunavigation 7 The MONITOR knob controls the volume of both the A and Bmonitoroutputpairs regardles...

Страница 10: ...from theincludedMOTUProAudioControlwebappsoftware 8 The eight analog outputs are balanced DC coupled quarter inch connectors that can also accept an unbal anced plug They provide additional analog out...

Страница 11: ...P Visit www motu com download to get the latest MOTU Pro Audio Installer and run it on your computer to install the MOTU Discovery app MOTU Pro Audio WebUI Setup shortcut Windowsonly andothersoftwaree...

Страница 12: ...connected to the internet you llbenotifiedhere Click More Info tolearn what snew and start the update process Firmware updating requires a USB or network connection to your computer See Appendix D Up...

Страница 13: ...ct themtotheoutputstreamsofother devices on the network here This is how you route audio from the other devices to the 828es 23 In the Input Output Banks sections you can disable any banks that you ar...

Страница 14: ...ained through MOTU s web site or tech support depart ment The CheckForUpdates button requires that the computer or device you are using to view your MOTU interface is connected to the internet through...

Страница 15: ...ace are available Thefirstfourarebeingroutedtothe computer Use the Devicetab page 13 to configure how many AVB streams you wish to work with If you aren t working with network audio you can set the nu...

Страница 16: ...groups to route them to the reverb bus which can then be mixed in with the main mix or aux busses Disable the reverb processor to useit as an extragroup 12 The Monitor Bus can mirror the outputofanyot...

Страница 17: ...s the master fader for the current aux bus being viewed 4 9 Indicates if the input or group is stereo or mono This indicator is for display purposes only To toggle between mono and stereo opera tion u...

Страница 18: ...putational methodfor determining overall loudness for the input level Engage Auto makeup gain to compensate for any gain reduction 14 Inputlevelandgainreductionmetersfor the compressor 15 The thumbnai...

Страница 19: ...e the preset menus to create save recall and otherwise manage channel strip presets for the Monitor bus and Main Mix bus 6 Indicates that the bus is stereo 7 The four band parametric EQ forthe Main Mi...

Страница 20: ...4 Thefour band parametricEQmoduleforAux buses operates the same as described for inputchannels items10and11onpage 18 including High and Low Shelf filter options 5 The thumbnail EQ Graph displays the...

Страница 21: ...ge 16 1 A Group bus channel strip Click the name to renameit Deletethecurrentnametoreturnto its default 2 The Reverb bus If you disable the Reverb processor itcanbeusedasafourthGroupbus The Reverb cha...

Страница 22: ...M O T U P R O A U D I O C O N T R O L W E B A P P 22...

Страница 23: ...and outputs are discrete For example using a mic input does not steal an input from the TRS analog I O bank Network I O 828es is capable of handling four 8 channel banks of network audio input and ou...

Страница 24: ...ty ESS Sabre32 D A converters and serve as independent outputs for the computer or the 828es on board mixer On board DSP with mixing and effects 828es is equipped with a powerful DSP engine that drive...

Страница 25: ...let or other wireless device ADAT digital input The 828es provides two 8 channel banks of optical digital I O Connect outboard digital processors digital mixers or other gear 16 channels at 44 1 48 kH...

Страница 26: ...ngs directly from the front panel Two independent headphone outputs The 828es front panel provides two independent headphone jacks with separate volume control You can program each phone output to mir...

Страница 27: ...as an AVB Ethernet audio interface Mac OS X 10 11 or later is required running on a recent generation Mac any Mac with a Thunderbolt port on it Available Thunderbolt or high speed USB 2 0 or 3 0 port...

Страница 28: ...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 28...

Страница 29: ...he extensive on board routing mixing and effects processing features Since the web app is served from the audio interface hardware itself it does not require any software installation on your computer...

Страница 30: ...th a 32 sample buffer size an 828es interface operating at 96 kHz produces round trip latency RTL performance of 1 9 milliseconds ms over Thunderbolt on Windows and 1 6 ms on Mac OS RTL is the measure...

Страница 31: ...a significant impact on your computer system s performance MOTU DISCOVERY APP The MOTU Discovery app found in the Mac menu bar or Windows taskbar locates all MOTU interfaces connected to the computer...

Страница 32: ...S O F T W A R E I N S T A L L A T I O N 32...

Страница 33: ...want to use your MOTU device as an audio interface and your computer has Thunderbolt Use a standard Thunderbolt cable sold separately Place it at the end of the Thunderbolt chain up to six devices in...

Страница 34: ...elded CAT 5e or CAT 6 cables which are a higher grade version of a standard Ethernet cable They are available wherever network cables are sold SETUP FORTWO INTERFACES Use this setup if you want to con...

Страница 35: ...rd CAT 5e Ethernet network cables to connect the interfaces to the MOTU AVB Switch using their NETWORK ports Use the five AVB NETWORK ports on the switch not the Ethernet port Network cable lengths ca...

Страница 36: ...andard so you can use MOTU AVB Switches or 3rd party AVB switches You can daisy chain switches in serial fashion but don t create loops For example switches A B and C below are chained properly but do...

Страница 37: ...erbolt port and the second to a USB 2 0 or 3 0 port Multiple interfaces and USB When connected through USB the 828es operates as a USB 2 0 device even when connected to a USB 3 0 port USB 2 0 provides...

Страница 38: ...a lot of possibilities for control of the 828es independent of the connections you make for audio Mixing and matching web app control scenarios The web app connection scenarios shown in the following...

Страница 39: ...rd Ethernet hub or network LAN Wi Fi When using standard Wi Fi as shown you can control the 828es from multiple Wi Fi devices simultaneously Figure 5 4 Web app control through Wi Fi Ethernet network W...

Страница 40: ...olt because the Ethernet cable can be up to 100 meters long using standard Ethernet cabling which is very affordable USB to Ethernet adapters cannot be used because the Mac s USB chip set does not sup...

Страница 41: ...to the Device tab for your MOTU interface the 1248 in the example below and connect the input streams to the Mac s output streams Figure 5 9 Routing computer streams to the interface for playback fro...

Страница 42: ...locks to Mac s Output Stream 1 The Mac does not follow the web app s Become Clock Master button so you must set the Mac s Clock Mode manually AVB stream and channel counts Each AVB stream is a group o...

Страница 43: ...nch analog outs synthesizer Guitar quarter inch analog inputs synths samplers effects units etc Returns from outboard gear Figure 5 13 A typical 828es studio setup Headphones Other outputs MIDI OUT IN...

Страница 44: ...jack summary Use these guidelines for 48V phantom power pad and trim settings on the two combo input jacks TRS quarter inch analog inputs and outputs Quarter inch analog inputs and outputs are balanc...

Страница 45: ...ides an input and output connector Together they provide 16 channels of ADAT optical digital I O at 44 1 or 48 kHz or 8 channels at 88 2 or 96 kHz The optical ports are disabled when the interface is...

Страница 46: ...I channel conflicts Figure 5 17 Connecting additional devices with MIDI THRU ports CONNECT A FOOT SWITCH If you would like to use a foot switch with your 828es connect it to the FOOT SWITCH jack See i...

Страница 47: ...udio phase lock can be achieved independently of timecode location For example one device can be the timecode master while another is the audio clock master but only one device can be the audio clock...

Страница 48: ...Slaving your MOTU device an 828es in this example to word clock For the 828es clock source choose Word Clock In Daisy chaining word clock If necessary you can daisy chain several word clock devices t...

Страница 49: ...a computer channel that you aren t using for anything else here It will be used to transmit LTC from the interface to the computer If all of your computer channels are being used you can add extra cha...

Страница 50: ...between MOTU devices that don t share the same master clock Resolving the master clock device to an external clock source The MOTU device you ve specified as the AVB network clock master can itself b...

Страница 51: ...Part2 Usingthe828es...

Страница 52: ......

Страница 53: ...e mixer 54 Liverecordingwithmonitormixing 55 AVBExpansion 55 Opticalconverter 56 Create your own presets You can create presets to suit your specific needs The 828es is highly capable and configurable...

Страница 54: ...er simul taneously This preset is identical to the Audio Interface preset except that all From Computer channels are also routed to the on board mixer which mixes them to the Main Mix bus to the Main...

Страница 55: ...rom the computer are included in the 828es mix AVB EXPANSION Use the AVB Expansion preset when you want to connect the inputs and outputs on the 828es to other devices over Ethernet cabling This prese...

Страница 56: ...g inputs are routed to the optical outputs For example if you have another MOTU interface equipped with optical you could connect its optical output banks to the 828es optical input banks The 828es th...

Страница 57: ...o display activity indicators for MIDI and network I O system settings and menu access to many settings Figure 7 1 Push the METERS button to cycle among three LCD screen sets that provide extensive me...

Страница 58: ...ly highlighted setting A currently selected setting flashes Turn the MENU knob to change the setting and push it to confirm the change or push BACK to cancel the change and exit Push BACK to return to...

Страница 59: ...The 828es front panel provides several controls for the primary and secondary monitors in your studio labeled A and B respectively Figure 7 6 on page 59 Figure 7 6 The front panel monitor controls The...

Страница 60: ...emporarily dim all audio and talk to musicians during a recording session Talkback requires a microphone located in the control room near the engineer The 828es provides a built in talkback mic on its...

Страница 61: ...ck it until you click it again to disengage so you don t have to hold it down while speaking This setting also affects the TALK button on the front panel of the 828es item 10 on page 9 Dim If you are...

Страница 62: ...F R O N T P A N E L O P E R A T I O N 62...

Страница 63: ...dy done so and complete these chapters before proceeding chapter 4 Software Installation page 29 chapter 5 Hardware Installation page 33 RUNTHEWEB APP Before you run your host audio software launch th...

Страница 64: ...gure 8 1 Choosing the MOTU Pro Audio ASIO driver in Cubase Where to go in popular audio hosts Here is the location for this setting in various popular audio software host applications Other audio soft...

Страница 65: ...t the intersection of the input s column and the desired mixer input s row Once routed to the mixer use the input channel reverb bus and monitor bus in the mixer to apply effects as desired and perhap...

Страница 66: ...erpreferencestoaccessthe Buffer Size option shown above Adjusting buffer size onWindows On Windows the buffer size is adjusted in the web app Device tab page 12 See Host Buffer Size and Host Safety Of...

Страница 67: ...although not by amounts that are very noticeable Lowering the buffer size will make your software respond faster raising the buffer size will make it a little bit slower Effects processing and automa...

Страница 68: ...o streams going to and from the on board mixer in your MOTU device Any audio streams going to and from the AVB network if you have multiple networked MOTU devices If you aren t sure how many channels...

Страница 69: ...ost audio software to several outputs In the example computer channels 1 2 are being sent to Phones 1 2 Phones 3 4 and Main L R To route a source to multiple destinations click multiple boxes in its c...

Страница 70: ...iver automatically communicates with OS X creating a device in the computer s Audio MIDI Setup configuration that reports its time code port to any MTC compatible host software If your host software r...

Страница 71: ...modeled after British analog consoles Compressor 73 A standard compressor with threshold ratio attack release gain controls Leveler 75 The Leveler an accurate model of the legendary LA 2A optical comp...

Страница 72: ...etric EQ Vintage EQ Inspired by legendary British large console EQs the EQ section Figure 9 3 models the sound of the most sought after classic equalizers Four bands of center frequency parametric EQ...

Страница 73: ...ndication of the current EQ settings for the input channel It is for visual reference only and cannot be edited directly However you can click it to open the full size EQ graph in a separate window Fi...

Страница 74: ...input signal entering the compressor It shows either the Peak envelope or the RMS level if enabled Gain reduction meter The Gain reduction meter Figure 9 5 displays the current amount of attenuation...

Страница 75: ...or mounted so that the emission of the panel modulates the resistance An ELP consists of a thin layer of phosphorescent material sandwiched between two insulated electrodes to form a capacitor Making...

Страница 76: ...ients but otherwise still behaves like a leveling amplifier REVERB Use the enable disable button Figure 9 8 to turn the reverb processor on or off Since reverb uses considerable DSP resources it is be...

Страница 77: ...the reverb time for separate frequency bands relative to the low frequency reverb time The High setting represents the bottom frequency of the High band the Mid setting represents the bottom frequenc...

Страница 78: ...M I X E R E F F E C T S 78...

Страница 79: ...ALLATION MOTU Audio Tools is a standard software application installed on your Mac or PC when you run the MOTU Pro Audio installer or setup app It can be found in the Applications folder Mac or Start...

Страница 80: ...puter audio channels as demonstrated in Figure 8 7 on page 68 Figure 10 2 The From device to computer setting determines how many channels you see in the Left Input and Right Input menus FFT AND SPECT...

Страница 81: ...zontal controls There are two modes for the controls Zoom Offset and Min Max To change the mode use the Horizontal control menu Figure 10 6 In Zoom Offset mode Zoom sets the display zoom from 1x to 10...

Страница 82: ...raph from 100 fully visible to 0 hidden OSCILLOSCOPE The Oscilloscope Figure 10 9 graphs the amplitude of an audio signal over time Amplitude is displayed on the y axis and time is displayed on the x...

Страница 83: ...samples are displayed in 10 pixels Pos moves the line marking time equals zero left or right In Min Max mode Min and Max set the earliest and most recent displayed time Time Units The Time Units sub m...

Страница 84: ...not be found because the trigger is not looking at any audio signal The Pos and Neg checkboxes determine the slope of the event When the Pos checkbox is enabled the trigger will look for an event whe...

Страница 85: ...n also view two signals side by side in stereo mode to compare their profiles and if necessary make adjustments to the source of each signal and view your changes in real time Viewing transients such...

Страница 86: ...ls You can zoom in to the sample level for sample accurate viewing Building synthesizer patches If you are building a synth patch on a synthesizer or forming similar highly periodic audio material you...

Страница 87: ...x Metering Level meters are displayed above and to the right of the graph for the left green and right red channels respectively An additional Correlation meter blue is displayed on the right This met...

Страница 88: ...data is first shown in white and then fades to gray To adjust the scale of this color brightness change see Decay on page 89 Axes The Axes control Figure 10 14 sets the opacity of the grid displayed...

Страница 89: ...egative they expand away from the origin The further the warp value is from zero the greater the effect Using the X Y Plot The X Y Plot helps you see the width of the stereo field of a mix Figure 10 1...

Страница 90: ...al axis represents the phase difference of left channel minus the right channel Correlation Meter The blue Correlation Meter to the right of the display shows the correlation between the two channels...

Страница 91: ...equency With a linear scale frequencies are spaced evenly in a logarithmic scale each octave is spaced evenly frequencies are scaled logarithmically within each octave Linear is better for viewing hig...

Страница 92: ...ysis In the polar display top row of Figure 10 26 on page 93 stereo material that is predominantly phase aligned correlated appears along the vertical axis as demonstrated in the first column Perfectl...

Страница 93: ...n the signal that touch the 1 0 or 1 0 vertical lines in the grid will be canceled out at the frequency where they touch when the signal is summed to mono In the polar view any signal that falls on th...

Страница 94: ...M O T U A U D I O T O O L S 94...

Страница 95: ...s not proprietary or controlled by one company High channel counts AVB provides hundreds of network channels Extremely low latency AVB guarantees low latency real time performance Guaranteed Quality o...

Страница 96: ...resolved to the network s master clock Gigabit Ethernet The MOTU AVB Switch delivers 1 Gbit Ethernet performance which provides substantially higher bandwidth than 100 Mbit Ethernet This allows you t...

Страница 97: ...ger studio facility you could build audio network neighborhoods similar to the studio installation described earlier in multiple rooms even multiple floors with multiple computers and Wi Fi control fr...

Страница 98: ...g connection diagrams on pages 34 36 To make network connections use shielded CAT 5e or CAT 6 cables a higher grade cable Network cable lengths can be long 100 meters with standard copper wire cables...

Страница 99: ...1 In the MOTU Pro Audio Control web app choose the device item 1 on page 12 2 Go to the Device tab item 5 on page 12 go to the AVB Stream Setup section item 21 on page 13 and type in the number of 8 c...

Страница 100: ...m connections are restored as long as the other devices are still present on the network and broadcasting the same streams If the other device is not present or perhaps turned off its streams will be...

Страница 101: ...Part3 Appendices...

Страница 102: ......

Страница 103: ...d to use the mixer in the 828es Please see Monitoring through the 828es on page 65 How do I control monitoring latency See Reducing monitoring latency on page 64 TheRoutingtab page 15 doesn tdisplayso...

Страница 104: ...e problems you encounter with your MOTU device you may contact our technical support department in one of the following ways Tech support hotline 617 576 3066 Monday through Friday 9 a m to 6 p m EST...

Страница 105: ...Response 0 0 1 dB 20 Hz 20 kHz Ref 1 kHz Max Level In with Pad 24 dBu Max Level In without Pad 5 dBu Trim range 0 to 63 dB in 1 dB steps TRS Description Balanced or single ended Suitable for line or...

Страница 106: ...t 2 dBu to 24 dBu in 1 dB steps LineOut Connector Type 1 4 Female TRS Balanced tip hot Output Impedance 100 ohm Per leg Dynamic Range 123 dB A weighted THD N 108 dB 2 dBFS Unweighted 1 kHz Frequency R...

Страница 107: ...0 2 Vpp 1Vpp With termination Output Drive 0 5 0 Vpp With termination DC coupled THD N In 122 dB Unweighted Specification IEC 958 60968 3 Word ClockIn Out Thru Specification AES 11 2009 Annex B Connec...

Страница 108: ...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 108...

Страница 109: ...APPENDIX 109 C Mixer Schematics MONO INPUT CHANNEL...

Страница 110: ...A P P E N D I X C M I X E R S C H E M A T I C S 110 STEREO INPUT CHANNEL...

Страница 111: ...A P P E N D I X C M I X E R S C H E M A T I C S 111 GROUP BUS...

Страница 112: ...A P P E N D I X C M I X E R S C H E M A T I C S 112 MONITOR BUS...

Страница 113: ...are update process is also fine You can update firmware with or without internet access Both scenarios are explained below Updating with internet access You are now ready to update the firmware 1 Laun...

Страница 114: ...to Ethernet as the primary audio connection to the 828es instead of USB or Thunderbolt Updating multiple interfaces on a network If you have two or more MOTU interfaces on a network you can update th...

Страница 115: ...imized for modern networking technology MOTU audio interfaces support OSC which provides remote control of all device settings and mixer controls from any OSC enabled controller For further details ab...

Страница 116: ...A P P E N D I X E O S C S U P P O R T 116...

Страница 117: ...on Meter 90 Cubase 63 64 clock source 63 sample rate 63 CueMix FX Devices menu 79 installation 79 output jacks 10 Customer support 104 D Device menu item 58 Device tab 12 13 Devices menu 79 Digital co...

Страница 118: ...31 114 Pro Audio ASIO driver 64 Pro Audio Control web app 7 11 21 Aux Mixing tab 17 Device tab 12 13 Mixing tab 16 Routing tab 15 Pro Audio Installer 7 11 Pro Audio WebUI Setup 11 31 MTC 14 69 Mute b...

Страница 119: ...ynchronization 46 Become Clock Master 50 SMPTE time code 48 Synths connecting 43 System Information 14 System requirements minimum 27 recommended computer 27 T Talk button 61 Talkback 60 61 dim 61 set...

Страница 120: ...I N D E X 120...

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