Related Manuals for MOTU 8M
Summary of Contents for MOTU 8M
-
Page 1: User Guide
1248 ™ ™ ™ MOTU AVB Switch ™ User Guide 1280 Massachusetts Avenue Cambridge, MA 02138 Title Page Business voice: (617) 576-2760 Business fax: (617) 576-3609 Web site: www.motu.com Tech support: www.motu.com/support... -
Page 2: Important Safeguards
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: Table Of Contents
8M Front Panel 8M Rear Panel 16A Front Panel 16A Rear Panel MOTU AVB Switch MOTU AVB Control Web App About Your MOTU AVB Audio Interface Packing List and System Requirements Software Installation Hardware Installation Part 2: Using your MOTU interface Presets... -
Page 4: Copyright Notice
Authorization Number on the outside of the box below the shipping address. That license agreement is a contract, and clicking “Accept” binds you and MOTU to This warranty does not apply if the equipment has been damaged by accident, all its terms and conditions. -
Page 5: Part 1: Getting Started
Part 1 Getting Started... -
Page 7: Quick Start Guide
4 Switch on your MOTU interface. Stand-alone mixer Operate as a stand-alone mixer, where all 5 Open the MOTU AVB Control web app by doing inputs are mixed to the main outs and mon- itor outs. one of the following: Interface + mixer A combination of the above two presets. -
Page 17: Motu Avb Control Web App
CHAPTER OVERVIEW MAKE HARDWARE AND NETWORK CONNECTIONS MOTU AVB Control is a web app that gives you Connect your MOTU interface to your computer complete control over your MOTU audio interface. or laptop with a Thunderbolt or USB cable. Make... - Page 18 DEVICE TAB 1. If you have two or more MOTU AVB 7. Lets you create, save, recall and 12. If an update is available for your network. Click this button to choose interfaces, the Device list lets you manage presets for your MOTU AVB...
- Page 19 Appendix D, “Updating stream to and from your computer, many inputs, you can lower the 1248, 8M or 16A is connected to a Firmware” page (95). Updating from up to 128 channels each way, simul- number here to simplify mixer and 2nd MOTU AVB interface through its a file can be done offline from your...
-
Page 20: Routing Tab
ROUTING TAB The Routing Tab lets you route inputs to 6. When you make a connection, the tab (page 19) to configure how 14. Click the grid to make a connection. outputs. Outputs are listed by row on the source (input) signal is listed by many AVB streams you wish to work Click a connection to remove it. -
Page 21: Mixing Tab
6. This column is the Legend. It in with the main mix or aux busses. 19. Reverb and aux sends. the 48-channel mixer in your MOTU AVB provides labels and controls for Disable the reverb processor to use it 20. Solo and mute. On the Monitor bus, interface, which provides a main mix channel strip sections. -
Page 22: Aux Mixing Tab
The Aux Mixing tab provides quick 8. This is the master fader for the 12. Click the View Personal Mix button access to your MOTU AVB interface’s mix control which aux bus or group you current aux bus being viewed (4). -
Page 23: Mixer Input Channel Strips
MIXER INPUT CHANNEL STRIPS To access a mixer input channel strip, go input level. Engage the RMS button to to the mixer tab (page 21), reveal the side uses RMS values (a computational bar (item #3 on page 21), and then show method for determining overall the input channel you want in the Mixer loudness) to measure the input level. -
Page 24: Main Mix And Monitor Channel Strips
MAIN MIX AND MONITOR CHANNEL STRIPS To access the Main Mix and Monitor 6. Indicates that the bus is stereo. channel strips, go to the mixer tab 7. The four-band parametric EQ for the (page 21) and scroll the display to the Main Mix bus operates the same as right, beyond the inputs and groups. -
Page 25: Aux Bus Channel Strips
AUX BUS CHANNEL STRIPS Aux busses can be used to create sub-mixes. An aux bus can be assigned to any output in the Routing grid (page 20). To access an Aux bus channel strip, go to the mixer tab (page 21), reveal the side bar (item #3 on page 21), and then show the aux busses you want in the Mixer Outputs section (26). -
Page 26: Group And Reverb Channel Strips
GROUP AND REVERB CHANNEL STRIPS Group busses can be used to create a mix sub- group, which is a set of inputs you wish to control together as a group. Groups differ from aux busses in that they have aux sends, a reverb send, as well as a main mix send. -
Page 27: About Your Motu Avb Audio Interface
About Your MOTU AVB Audio CHAPTER Interface The 1248, 8M, and 16A are hybrid Thunderbolt™/ 1248 66 simultaneous audio channels USB2 audio interfaces with 48-channel digital mixers and AVB Ethernet networking capability. Connection Input Output They can operate as audio interfaces for a... - Page 28 Universal connectivity both). You can even connect multiple computers, The 1248, 16A, and 8M can connect to a computer each with full access to all devices on the network with Thunderbolt or high-speed USB 2.0 (which is (including the other computers).
- Page 29 The 8M also offers a single headphone ADAT digital I/O output. The 1248, 8M and 16A interfaces each provide two 8-channel banks of optical digital I/O. Connect Precision Digital Trim™ On each interface, all of the analog inputs are...
- Page 30 A B O U T Y O U R M O T U A V B A U D I O I N T E R F A C E...
-
Page 31: Packing List And System Requirements
CHAPTER System Requirements PACKING LIST PLEASE REGISTER TODAY! Your MOTU interface ships with the items listed Please register your MOTU interface today. There below. If any of these items are not present in the are two ways to register. box when you first open it, please immediately Visit www.motu.com/register... - Page 32 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 33: Software Installation
Core Audio drivers ........34 installation instructions below. MOTU AVB Discovery app ......34 SOFTWARE INSTALLATION AudioDesk workstation software . - Page 34 Mac OS X Core Audio-compatible software. For details about accessing the Core Audio driver for your MOTU AVB interface, refer to your host software documentation, or see chapter 7, “Working with Host Audio Software” (page 61).
-
Page 35: Hardware Installation
A typical 8M setup ........45... -
Page 36: Usb Audio Interface Setup
USB AUDIO INTERFACE SETUP SETUP FOR TWO INTERFACES Use this setup if you want to use your MOTU device as an audio interface, and your computer doesn’t have Thunderbolt. Use a standard USB cable. ■ Connect to any USB port (USB2.0 or 3.0). -
Page 37: Setup For Three To Five Interfaces
Use standard CAT-5e Ethernet network cables to ■ Use this setup if you want to connect three to five connect the interfaces to the MOTU AVB Switch MOTU interfaces to your computer using a MOTU using their NETWORK ports. AVB Switch™ (sold separately). -
Page 38: Setup For A Multi-Switch Network
C below are chained properly, but don’t employs multiple AVB switches. AVB Ethernet is an connect C back to A. Alternately, you could industry standard, so you can use MOTU AVB connect both Switches B and C to Switch A. Switches or 3rd-party AVB switches. -
Page 39: Setup For Multiple Thunderbolt And Usb Interfaces
USB INTERFACES Thunderbolt and USB Another way to operate multiple interfaces on the It is possible to connect multiple MOTU interfaces same host computer is to connect the first interface directly to your host computer through multiple to a Thunderbolt port and the second to a USB 2.0 Thunderbolt and USB ports, as discussed in the (or 3.0) port. -
Page 40: Setup For Web App Control
SETUP FOR WEB APP CONTROL Mixing and matching web app control scenarios The MOTU AVB Control web app gives you access The web app connection scenarios shown in the to all settings, routing, mixing, and effects following sections are not exclusive from one processing in your audio interface, and each another. - Page 41 Figure 4-3: Web app control through a standard Ethernet hub or network (LAN). (Sold separately) Figure 4-5: Using the Ethernet port on the MOTU AVB Switch. H A R D W A R E I N S T A L L A T I O N...
-
Page 42: Audio Connections
V-Limit™ Each 8M mic input is individually equipped with Preamp gain V-Limit (page 18), which help prevent digital The 1248’s preamp provides 63 dB of gain. Use the clipping from overloaded input signals. For details, front panel detented trim knobs to adjust gain as see “8M mic/guitar input meters with V-Limit™... - Page 43 You can even record S/PDIF input that is running Optical at a completely different sample rate than the 1248’s Your MOTU audio interface provides two banks of current sample rate. ADAT optical (“lightpipe”) connectors. Each bank provides an input and output connector. Together,...
-
Page 44: A Typical 1248 Setup
ADAT optical 1248 back panel S/PDIF quarter-inch analog outs Ethernet cable to another MOTU AVB device, a MOTU AVB Switch, or WiFi router, etc. Home theater system synths, samplers, effects units, etc. Compressor, reverb or quarter-inch analog outs other outboard gear... -
Page 45: A Typical 8M Setup
A TYPICAL 8M SETUP on-board mixer to listen to what you are recording Here is a typical 8M studio setup. Like the 1248, via the headphone out or any output pair. You can this rig can be operated without an external mixer. -
Page 46: A Typical 16A Setup
16A back panel (send/return loop) Ethernet cable to another MOTU quarter-inch analog outs AVB device, a MOTU AVB Switch, or WiFi router, etc. Compressor, reverb or other outboard gear synths, samplers, effects units, etc. quarter-inch analog outs Thunderbolt or USB... -
Page 47: Synchronization
Slave Synchronizing with other digital audio devices ■ Figure 4-10: To keep the your MOTU interface phased-locked with so that their digital audio clocks are phase-locked other digital audio devices connected to it, choose a clock master. (as shown in Figure 4-9) -
Page 48: Syncing S/Pdif Devices
S/PDIF. See “S/PDIF with sample rate conversion” on page 43 for more Figure 4-12: Slaving your MOTU device (a 1248 in this example) to word clock. For the 1248 clock source, choose ‘Word Clock In’ . -
Page 49: Syncing An Avb Network
For example, you may features for AVB device networks of any size as be in a situation where at least one MOTU device shown on pages 37-38, including: on the network must remain resolved to its own clock (or another clock source). - Page 50 H A R D W A R E I N S T A L L A T I O N...
- Page 51 Part 2 Using your MOTU interface...
-
Page 53: Presets
Live recording with monitor mixing ....55 Figure 5-1: Using your MOTU AVB device as an audio interface. Stage I/O..........55 Studio Input expander. -
Page 54: Stand-Alone Mixer
Audio inputs from stage, studio, etc. Audio inputs from stage, etc. Figure 5-3: Using your MOTU AVB device as an audio interface and Figure 5-2: Using your MOTU AVB device as a stand-alone mixer. This mixer, simultaneously. example demonstrates how you can control the mixer from several Wi-Fi devices. -
Page 55: Live Recording With Monitor Mixing
As another example, you could run an Ethernet Choose the Live recording with monitor mixing cable from the stage unit to a MOTU AVB Switch, preset when you are tracking in the studio. The with a host of other MOTU AVB interfaces and setup is pretty much the same as for the “Interface... -
Page 56: Studio Output Expander
MOTU AVB interface. OPTICAL CONVERTER Optical cable Choose the Optical converter preset if you would like your MOTU AVB device to serve as a multi- channel analog-to-digital converter connected to another device equipped with an ADAT optical Other optical device port. -
Page 57: The Front Panel Lcd
In its default state when the unit is first powered on, inputs and outputs (except the phones). On the the LCD displays level meter activity for all 1248 and 8M, the LCD also provides horizontal physical audio inputs and outputs on the device. “long-throw” input metering when adjusting Inputs and outputs are labeled by channel number preamp gain. - Page 58 When viewing a channel’s horizontal meter, push device, such as its name and connection mode its knob (on the 1248 or 8M) to “pin” the LCD’s (Thunderbolt, USB, or AVB). focus on the large meter view. The view is “pinned”...
- Page 59 Sets the sample rate for the device. interface is not connected to a computer. This Word Clock Thru Toggles the Word Clock Output between allows you to use your MOTU device as a stand- Mode OUT and THRU. alone mixer. You can make adjustments to any...
- Page 60 T H E F R O N T P A N E L L C D...
- Page 61 Run the web app........61 see “Choosing a clock source for optical Choosing the MOTU Audio driver....64 connections” on page 43.
-
Page 62: Working With Host Audio Software
Any audio streams going to and from the AVB ■ In the web app Device tab (page 19), in the network, if you have multiple networked MOTU Computer Setup section, specify the number of AVB devices computer channels for streaming audio to and If you aren’t sure how many channels you’ll need,... - Page 63 Configuration presets Streaming computer audio to and from the on-board mixer The presets menu (item #7 in the Devices tab on In Figure 7-1, you’ll see “mix” inputs across the top page 18) provides many useful presets for various of the grid. These are output busses from the your host routing scenarios.
- Page 64 Configure Audio System > Configure Hardware routed to the mixer input. Driver from the Setup menu. Choose 1248 (or other MOTU interface model) from the list of Working with AVB network streams CoreAudio drivers. Audio channels going to networked AVB interfaces...
- Page 65 MOTU interface. This is This delay is caused by the amount of time it takes done by opening the Mix In group in the Outputs...
- Page 66 Figure 7-4: In Cubase or Nuendo, choose Devices menu > Device interface’s Core Audio driver). Most audio software Setup. Select your interface (1248, 8M or 16A), then click the Control Panel button to access the window above and the Buffer Size setting.
- Page 67 Figure 7-6: When adjusting the buffer size to reduce monitoring latency, watch the ‘processor’ meter in Digital Performer or AudioDesk’s Performance Monitor. If you hear distortion, or if the Performance meter is peaking, try raising the buffer size. If you are at a point in your recording project where you are not currently working with live, patched- thru material (e.g.
- Page 68 21. SYNCHRONIZATION You may encounter situations in which you need to synchronize your audio software and your MOTU interface to other components of your system. For details, see “Synchronization” on page 47. 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 69: High Pass Filter
Main Mix and Monitor channel strips ....24 The hardware mixer in your MOTU AVB interface Aux bus channel strips....... 25 provides several major advantages over mixing and Group and Reverb channel strips . -
Page 70: Mixer Effects
GATE Enabling EQ Each band has an enable/disable button All input channel strips provide a Gate module. (Figure 8-2), allowing you to enable as few or as many bands as needed for the channel strip. Figure 8-1: The Gate module. The gate silences the signal when the input signal’s Enable/disable level drops below the Threshold. -
Page 71: Compressor
be flexible enough to cover a broad range of follows a loud passage. Short Release times may applications. By adjusting Gain and Bandwidth cause the attenuation to “pump”, a term used to together, you can emulate the smooth and musical describe the sound of the compressor when the character of classic analog EQ circuits, in which the average input level quickly fluctuates above and... -
Page 72: Leveler
LEVELER form a capacitor. Making one of the electrodes The Leveler™ (Figure 8-4) provides an accurate transparent allows the light to escape. These model of the legendary Teletronix™ LA-2A® devices are essentially glow-in-the-dark paint on a optical compressor, known for its unique and piece of foil covered by metalized glass or plastic, highly sought-after Automatic Gain Control and are the same devices used in low-power night... -
Page 73: Reverb
Enabling or disabling the Leveler Routing inputs and groups to the reverb processor The Leveler models the LA-2A so closely, it also The reverb processor is a single, independent unit models the time it takes for an actual LA-2A to that provides stereo reverb. - Page 74 setting represents the bottom frequency of the Mid band. The Ratio determines the length for each band specified in a percentage of the low frequency reverb time. DSP USAGE The DSP Usage meter (item #26 on page 23) shows how much of the available DSP processing power is currently being used by the mixer for the mix and for effects processing.
-
Page 75: About Avb
Just plug your MOTU AVB interfaces The MOTU AVB Switch ....... 80 into a standard AVB switch and go. -
Page 76: Networking
Networking comes into play as soon as you hook performance, which provides substantially higher up a second MOTU interface to your first one, as bandwidth and lower latency than 10/100 Mbit explained in “Setup for two interfaces” on page 36, Ethernet. - Page 77 A studio installation of three to five interfaces can to each venue. You can easily bring devices on and be handled with a single MOTU AVB Switch. See offline, rerouting audio stems as needed. “Setup for three to five interfaces” on page 37.
-
Page 78: A Quick Guide To Networking
Networks of three or more interfaces require an ■ AVB-compatible switch. You can use any standard AVB switch on the market. MOTU offers the five- port MOTU AVB Switch™ (sold separately). ☛ AVB audio can’t pass through more than seven ■... -
Page 79: Setting Up A Motu Avb Interface For Networking
(through Thunderbolt or USB), mapping network network operation as follows: input and output streams is accomplished as 1 In the MOTU AVB Control web app, choose the described in the previous two sections. Simply device (item #1 on page 18). -
Page 80: Bridging To Ethernet
Any other standard networking device ■ THE MOTU AVB SWITCH The heart of a MOTU AVB network is the MOTU AVB Switch (sold separately). For a brief overview of the switch and its features, see “MOTU AVB Switch” on page 15. -
Page 81: Part 3: Appendices
Part 3 Appendices... -
Page 83: Troubleshooting
Troubleshooting APPENDIX Some or all of my MOTU interface inputs and The Routing tab (page 20) doesn’t display some of outputs are not available in my host audio the inputs or outputs on my interface. software. The Routing tab only displays input and output... - Page 84 Set your Clock The serial number of your MOTU device. This is Source to Internal and try recording just using the ■...
-
Page 85: Audio Specifications
Audio Specifications APPENDIX 1248 Line Out Connector Type 1/4” Female, TRS Balanced, tip hot Output Impedance 100 ohm Per leg Dynamic Range 123 dB A-weighted THD+N -110 dB (0.0003%) -1 dBFS, Unweighted, 1 kHz Frequency Response +0, -0.1 dB, 20 Hz/20 kHz Ref. - Page 86 S/PDIF Includes Sample Rate Conversion (SRC) on input Connector Type Termination 75 ohm I/O Lock Range 44.1k/48k, +/- 0.5% 1x, 2x Input Voltage Range 0.2 Vpp/1Vpp With termination Output Drive 0.5.0 Vpp With termination DC coupled THD+N In (SRC) -122 dB Unweighted, With SRC Specification IEC-958/60968-3...
- Page 87 Line Out Connector Type 1/4” Female, TRS Balanced, Tip hot Output Impedance 100 ohm Per leg Dynamic Range 123 dB A-weighted THD+N -110 dB (0.0003%) -1 dBFS, Unweighted, 1 kHz Frequency Response +0 -0.1 dB, 20 Hz/20 kHz Ref. 1 kHz Max Level Out +20 dBu Trim Range...
- Page 88 Word Clock In/Out/Thru Specification AES-11 2009 Annex B Jack Type Termination 75 ohm (in/out) THRU is unterminated Lock Range 44.1 kHz / 48 kHz, +- 0.5% x1/x2/x4 Input 1 vpp to 3 v p-p (with termination) AC coupled Output 5.0 vpp, (2.5 v p-p terminated) DC coupled Jitter Complies with AES3-4-2009...
- Page 89 Line Out Connector Type 1/4” Female, TRS Balanced, Tip hot Output Impedance 100 ohm Per leg Dynamic Range 123 dB A-weighted THD+N -110 dB (0.0003%) -1 dBFS, Unweighted, 1 kHz Frequency Response +0 -0.1 dB, 20 Hz/20 kHz Ref. 1 kHz Max Level Out +20 dBu Trim Range...
- Page 90 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 91: Mixer Schematics
Mixer Schematics APPENDIX MONO INPUT CHANNEL... - Page 92 STEREO INPUT CHANNEL A P P E N D I X C : M I X E R S C H E M A T I C S...
- Page 93 GROUP BUS A P P E N D I X C : M I X E R S C H E M A T I C S...
- Page 94 MONITOR BUS A P P E N D I X C : M I X E R S C H E M A T I C S...
-
Page 95: Updating Firmware
An AVB port on a MOTU AVB switch ■ (connected to your office network through the Ethernet port) Figure D-1: The firmware update banner appears automatically at the top of the Device tab when your web host has internet access and MOTU posts an update. - Page 96 (even over Wi-Fi) without having to plug cable connection to your MOTU interface. in directly and without having to download or run 3 Launch the MOTU AVB Control web app on the an updater application. computer, as usual.
-
Page 97: Osc Support
MOTU AVB audio interfaces support OSC, which provides remote control of all device settings and mixer controls from any OSC-enabled controller. For further details about remote control through... - Page 98 A P P E N D I X E : O S C S U P P O R T...
-
Page 99: Index
Index +4dB analog input Become Clock Master 18, 49 Frequency -10dB analog input 1248 From Computer CAT-5e/6 cables 15, 36 expansion Front panel Check for Updates front panel menu navigation Chrome installing metering Class compliance rear panel 9, 59 Clock section (LCD) summary of features Clock source 18, 47... - Page 100 Reverb 73-74 Update From File design section Networking 75-80 enabling/disabling 37, 38 installation class compliance predelay MOTU AVB Switch installing drivers routing to/from Nuendo 73, 74 time clock source width View Personal Mix Mac OS X 42, 57 RMS mode...