Related Manuals for AudioControl CM3-750
Summarization of Contents
Key Product Features
Dual Mode Amplification
Allows switching between high impedance (70V) and traditional low impedance (LoZ) speaker systems.
High Power Outputs
Provides high power levels for 70V loads and low impedance speaker systems.
Powerful DSP Control
Features DSP for speaker profiles, EQ, crossover filters, and matrixing for optimized sound.
IP Control and Automation
Controllable via Telnet or third-party automation systems through Ethernet.
Dante Network Connectivity
Optional Dante port for seamless audio sharing with other Dante-equipped devices.
Robust Protection Features
Includes self-resetting protection against thermal, short circuit, and clipping faults.
High Efficiency Operation
Achieves over 95% efficiency with GaN technology, resulting in cool operation.
Quick View
Front Panel Overview
Identifies and describes the front panel controls and indicators.
Rear Panel Overview
Identifies and describes the rear panel connectors and controls.
Installation Examples
CM2-750 70V Speaker Setup
Demonstrates connecting the CM2-750 amplifier to 70V speakers.
CM2-750 70V and Subwoofer Setup
Illustrates connecting 70V speakers and subwoofers to the CM2-750.
CM3-750 70V and Subwoofer Setup
Shows a typical installation of the CM3-750 with 70V speakers and subwoofers.
CM4-750 70V and Subwoofer Setup
Details installing the CM4-750 with 70V speakers and subwoofers.
CM4-750 Dante Card Installation
Illustrates installing two CM4-750 units with the optional Dante card.
CM Series Rear Panel Differences
Highlights the rear panel variations between the CM2, CM3, and CM4 models.
Front Panel Features
Power LED Indicator
Describes the dual-color LED indicating standby, on, or off status.
Protection LED Indicator
Indicates faults or protection mode activation.
Ethernet Status LEDs
Show Ethernet connection status and data activity.
Zone Status LED
Indicates zone fault, active, or standby status.
Zone Level LED Ladder
Displays zone output level in dBFS.
Rack Mount Ear Installation
Instructions for mounting the unit in a standard 19-inch rack.
Rear Panel Features
AC Power Switch and Input
Controls main AC power and connects the power cord.
Input Mode and Analog Inputs
Configures analog input modes and connection points.
Signal Present and Loop Outputs
Indicates input signal presence and provides analog loop outputs.
Speaker Outputs and Mode Selection
Connects loudspeakers and selects 70V or low impedance operation modes.
Trigger Inputs and Main Trigger
Controls unit turn-on/standby via 12V triggers or Ethernet.
Digital Inputs and Outputs
Handles digital audio signals for processing and routing.
12 Volt Trigger Ins and Outs
Trigger Input Methods
Details methods for triggering the unit on/off via Ethernet, contact closure, or zone triggers.
Main Trigger Connector
Explains the 3-pin connector for power control and its pinout.
Internet Connectivity and Control
Browser-Based Setup
Guides on accessing and using the unit's web interface for configuration.
Ethernet Network Connection
Instructions for connecting the unit to a network via Ethernet.
Mac/Apple Device Connection
Steps for connecting Mac computers to the unit's IP address.
Communications Options Configuration
Details on setting up network communications like SNTP and DNS.
Web Page Setup Interface
Global Settings Menu Access
Accessing and modifying global unit parameters via the gear icon.
Zone Settings Menu Access
Expanding and adjusting individual zone settings using the caret icon.
Zone Settings Configuration
Zone Standby and Mute Control
Turning zones on/off and muting/unmuting outputs.
Zone Naming and Input Selection
Customizing zone names and selecting audio input sources.
Group Assignment and Lock
Assigning zones to groups and enabling group volume lock.
Volume and Trim Adjustments
Setting on-volume, max-volume, and trim levels for each zone.
Zone Options
Speaker Profile Selection
Applying optimized settings files for specific speaker manufacturers.
Crossover Filter Configuration
Setting Low Pass, Band Pass, and High Pass filters for frequency control.
Graphic and Parametric EQ
Adjusting graphic and parametric equalization for sonic tuning.
Stereo/Mono Output Selection
Setting the output mode for each zone to stereo or mono.
Parametric EQ Adjustments
Detailed parametric EQ controls for frequency, bandwidth, and level.
Bass and Treble Shelving EQ
Adjusting shelving bass and treble EQ for sonic shaping.
Loud Feature for Low Frequencies
Provides a low-frequency boost at lower listening levels.
Global Settings
Amplifier Renaming and Locking
Renaming the unit and enabling system lock with password.
DANTE Configuration and Device ID
Scanning for Dante devices and setting the unit's device ID.
Input Sources Management
Renaming and configuring input sources, including Dante and analog sensitivities.
SDS Signal Detection Setup
Configuring dynamic source switching based on audio signal detection.
Delay and Network Configuration
Setting time delays and managing network settings like IP and DHCP.
Notifications and Alerts
Setting up email alerts for unit health and status notifications.
Settings Files Backup and Export
Saving and exporting unit configurations and EQ settings.
Firmware Update Procedure
Instructions for updating the unit's firmware.
Equalization
Benefits of Room Equalization
Explains how EQ improves sound by addressing room acoustics and speaker limitations.
System Equalizing Procedure
Step-by-step guide for connecting and adjusting EQ using a browser and RTA.
Subsonic and Tweeter Protection Filters
Preset Memory Management
Using and saving EQ and filter settings as user presets.
Advanced Discussions
In-Wall Volume Control Considerations
Advice on selecting volume controls that can handle amplifier power.
Multi-Unit Installation and Power
Guidelines for stacking units and calculating power requirements for breakers.
Trim Control Usage
Using the Trim controls for minor level adjustments within zones.
Special Room Acoustics (Bathrooms)
Addressing acoustic challenges in unique spaces like bathrooms.
Large Rooms and Listener Distance
Considerations for speaker placement and directivity in large listening areas.
Troubleshooting Guide
No Sound Issues
Steps to diagnose and resolve situations with no audio output.
Zone Status LED Troubleshooting
Diagnosing issues when Zone Status LEDs are not active.
Red Channel Status LED
Troubleshooting red channel status LEDs, including shorts and heat.
Speaker Cutting In/Out
Resolving intermittent audio issues related to impedance or wiring.
Protection LED Red Fault
Procedures for addressing a persistently red Protection LED.
Speaker Buzzing or Crackling
Reducing low-frequency boosts and checking for input signal issues.
No Audio Input Signal (Blue LEDs)
Troubleshooting scenarios where audio is absent despite active LEDs.
Unit Won't Trigger Off
Resolving issues where the unit remains on despite trigger inputs.
In-Wall Volume Control Rating
Guidance on selecting appropriate in-wall volume controls for high-power amplifiers.
Service and Support
Procedure for Product Service
Steps for contacting AudioControl for repairs and returning the unit.
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