EM Acoustics Di20 Product User Manual

EM Acoustics Di20 Product User Manual

Advanced installation amplifier
Table of Contents

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Di06 / Di10 / Di20
advanced installation amplifier
Product User Manual
v1 July 2023
l i b e r a t i n g a u d i o

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Table of Contents
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Summarization of Contents

Safety Instructions
General Safety Warnings
Consolidated safety warnings regarding device operation, heat, and placement.
Installation Guide
Mechanical Installation
Guidance on physically mounting the amplifier in standard 19-inch rack enclosures.
AC Power Connection
Instructions for connecting the amplifier to the mains power supply using a PowerCon connector.
Audio Connectivity
Input Connections
Details the physical connections for analogue and AES3 digital audio inputs.
Output Connections
Explains how to connect speakers, including Bi-Amp and bridged mode configurations.
Front Panel Overview
Status Indicators
Describes the function of various status indicators on the front panel for device operation.
Operating the Amplifier
Startup and System Concepts
Covers amplifier startup, and core concepts like Modules, Presets, and Snapshots.
Audio Signal Processing
Input Gain, Polarity, and Delay
Details how to adjust input signal gain, polarity, and set delay parameters for optimal signal path.
Filters and Equalisation
Covers High Pass, Parametric EQ, FIR Shelving EQ, and Parametric Filters for signal shaping.
Limiters for Protection
Explains VX, Tmax Thermal, and Xmax Excursion Limiters for driver protection and signal management.
Network and Remote Control
IP Address Configuration
Details how to view and configure IP addresses for network control and communication.
Ethernet and IP Troubleshooting
Covers Ethernet setup, DHCP, AUTO-IP, static IP, and troubleshooting network connectivity issues.
Snapshots and Aux Ports
Explains saving, recalling Snapshots, and using Aux Ports for external control and logic inputs.
System Protection and Diagnostics
Protection Systems Overview
Details the amplifier's protection features and how indicators signal fault conditions.
Incident Reporting and Logging
Describes incident reporting states and performance logging for system monitoring and analysis.
Product Technical Specifications
General Specifications
Provides general technical details including channel count, input types, and control interfaces.
Audio Specifications
Details audio-specific parameters like amplifier topology, dynamic range, frequency response, and THD.
Digital Processing and Features
Outlines digital processing capabilities, sample rates, and special functionalities like limiter suites.
Power and Protection Specifications
Power Output Capabilities
Details RMS output power per channel for different models and load conditions.
Power Supply and Protection Systems
Specifies power supply topology, voltage range, and lists system/speaker protection mechanisms.
System Management and Physical Details
Power Distribution and Monitoring
Covers power distribution protection, mains inrush limiting, and performance monitoring.
Physical Attributes and Options
Lists physical details like cooling, connectors, enclosure, and available expansion options.

Table of Contents