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MOTU 8M User Manual

MOTU 8M
100 pages
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1248
User Guide
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
8M
16A
MOTU AVB Switch
Title Page

Table of Contents

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MOTU 8M Specifications

General IconGeneral
CategoryAudio Interface
InterfaceUSB 2.0
Analog Inputs8
Analog Outputs8
Digital Inputs2 x ADAT optical (16 channels @ 48kHz), 1 x RCA S/PDIF
Digital Outputs2 x ADAT optical (16 channels @ 48kHz), 1 x RCA S/PDIF
Sample Rates44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz
Phantom PowerYes
Weight1.8 kg

Summary

Safety Precautions and Electrical Requirements

Health and Environmental Precautions

Precautions regarding operating temperature, ventilation, and heat dispersion.

Part 1 Getting Started

Quick Start Guide

Step-by-step instructions to quickly set up and begin using the MOTU AVB interface.

Front and Rear Panel Overviews

Detailed descriptions of the front and rear panel controls and connectors for the 1248, 8M, and 16A.

MOTU AVB Control Web App

Information on accessing and using the web application for controlling the MOTU AVB interface.

CHAPTER 1 About Your MOTU AVB Audio Interface

Audio Interface Specifications

Details on analog, digital, and network I/O capabilities and audio specifications for MOTU interfaces.

Key Features and Connectivity

Overview of universal connectivity, DSP, AVB networking, and web app control features.

Operational Features and Software

Information on stand-alone operation, digital I/O, metering, and bundled AudioDesk software.

CHAPTER 2 Packing List and System Requirements

Packing List Contents

List of items included in the MOTU interface package.

System Requirements

Hardware and software requirements for operating the MOTU interface and included software.

CHAPTER 3 Software Installation

Installation Overview and Class-Compliant Mode

Explains when software installation is needed and the benefits of USB class-compliant operation.

Installer, Drivers, and Applications

Details on running the installer, Core Audio drivers, Discovery app, and AudioDesk software.

CHAPTER 4 Hardware Installation

Rack Mounting and Basic Connectivity

Guidelines for rack installation, heat management, and initial Thunderbolt/USB setups.

Advanced Connectivity and Network Setup

Instructions for multi-interface, network, and web app control configurations.

Audio Connections and Typical Setups

Details on connecting audio sources and examples of typical interface setups.

Synchronization and Clocking

Explains the importance of synchronization and how to set up clock sources for digital audio.

CHAPTER 5 Presets

Preset Menu and Common Configurations

Overview of the preset menu and common preset types like Audio Interface and Stand-alone Mixer.

Advanced Preset Use Cases

Explains presets for Live Recording, Stage I/O, Input/Output Expansion, and Optical Conversion.

CHAPTER 6 The Front Panel LCD

Overview, Metering, and Controls

Description of the LCD, level meters, front panel knobs, buttons, and focus features.

Menu Navigation and Settings

How to navigate menus, use Trim, ID, and access device, network, and other settings.

CHAPTER 7 Working with Host Audio Software

Initial Setup and Web App Configuration

Preparation, running the web app, sample rate, clock mode, and driver selection for host software.

Channel Mapping and Latency Management

Mapping audio channels, configuring I/O, and reducing monitoring latency for optimal performance.

System Synchronization

How to synchronize the audio software and MOTU interface with other system components.

CHAPTER 8 Mixer Effects

Effects Overview and Basic Processing

Introduction to DSP effects, advantages, and explanation of High Pass Filter, Gate, and EQ.

Dynamics and Leveler Processing

Details on the Compressor and Leveler modules for dynamic range control.

Reverb Processor and DSP Usage

Information on the Reverb processor, its controls, and managing DSP resources.

CHAPTER 9 Networking

AVB Networking Fundamentals

Introduction to AVB, its benefits, and MOTU's implementation for audio networking.

Network Configuration and Examples

Examples of studio, concert, and large-scale networking, plus quick setup guides.

Ethernet Bridging and AVB Switch

How to connect standard Ethernet devices and the role of the MOTU AVB Switch.

APPENDIX A Troubleshooting

Common Audio and Connectivity Issues

Troubleshooting steps for input/output problems, no audio, and routing display errors.

Monitoring, Latency, and Configuration Fixes

Solutions for monitoring issues, latency, effect overload, presets, and software authentication.

APPENDIX B Audio Specifications

1248, 8M, and 16A Technical Specifications

Detailed technical specifications for the 1248, 8M, and 16A audio interfaces' inputs and outputs.

S/PDIF, Phones, Word Clock, and Power Specs

Specifications for S/PDIF, Phones, Word Clock, and Power Supply across MOTU devices.

APPENDIX C Mixer Schematics

Input Channel Signal Flow

Block diagrams illustrating the signal path for mono and stereo input channels.

Bus Signal Flow

Block diagrams illustrating the signal path for group and monitor buses.

APPENDIX D Updating Firmware

Online and Offline Update Procedures

Guides for updating firmware via internet connection or using a downloaded file.

Firmware Information and Requirements

Information on viewing firmware versions and the requirements for the update process.

APPENDIX E OSC Support

Open Sound Control (OSC) for Remote Control

Explanation of OSC support for remote control of MOTU AVB devices and mixer functions.