QSC Audio manual Introduction- Overview, Series are not supported by the CM16a

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Section 1: Introduction- Overview

The QSC CM16a Amplifier Network Monitor provides power- ful amplifier management and zone paging capability in a QSControl networked audio system using Ethernet network- ing technology to communicate with the host computer/ system controller.

The host computer uses the QSControl application software to operate the networked audio system, including the CM16a’s and their amplifiers. The software operates on the Microsoft Windows NT® version 4.0 operating system and can be customized using Microsoft® Visual Basic Professional Edi- tion.

This manual outlines the capabilities of the CM16a as well as its installation and connections. The operation of the CM16a is accomplished using QSC’s QSControl software. Note that not all hardware features may be supported by the current software revision. Please refer to the software’s documenta- tion & help file for information regarding software features, usage and functions.

Each CM16a performs control and monitoring functions for up to 16 amplifier channels. This could be up to eight 2-channel or four 4-channel amplifiers (or some combination of these) at the time this document was printed. The amplifiers supported by the CM16a are the PowerLight, PL2, PL2A, DCA, and CX series of QSC amplifiers that have a built-in Data Port. Models that do not have a built-in DataPort or models that have a DP- 1 option or “V2” DataPort (such as the EX, MXa, & ISA

series) are NOT supported by the CM16a.

The DataPort connections are made with ordinary VGA computer monitor-type cables (HD-15male-to-male).These cables are the same type that are used on personal computer systems to connect the monitor to the computer. This allows you to use commonly available cabling for interconnecting amplifiers to the CM16a. Each DataPort connection supports the control and monitoring functions for two audio channels. When using the CM16a with amplifiers that have more than two channels (such as the 4 channel cinema amplifiers) additional DataPort connections are required.

The CM16a is a control and monitoring device that relies on software to do its job. The functions and capabilities pro- vided in the design of the CM16a can only be realized with proper software implementation. Keep in mind that this manual’s intent is to outline these capabilities and provide a reference for properly installing and interconnecting the CM16a to the networked system’s host computer, the audio inputs and the amplifiers to be controlled and monitored. A thorough knowledge of the control software’s features and operation will provide the best possible results for the end user.

From all of us at QSC Audio Products, thank you for your purchase.

Note: PL2A amplfiers have programmable filters and crossovers. This makes gain “reporting” to the host unreli- able as the frequency content relates directly to reported output levels. Since the output level is used to calculate gain, it is not possible to gaurantee accurate gain reporting when the PL2A is set for any of its various frequency boost/ cut/crossover modes.

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Contents CM16a Amplifier Network Monitor ¨ Warning ¨ Table of Contents CM16a Amplifier Network Monitor Federal Communications Commission FCC Information Series are not supported by the CM16a Introduction- OverviewPhysical Characteristics Introduction- Physical Characteristics & LayoutRS-232 port for network and firmware utilities Introduction- Physical Layout DiagramFunctional LISTING, Block Diagram & Detailed Descriptions Introduction- List of Functions & FeaturesIntroduction- Block Diagram part Introduction- Block Diagram part Introduction- Detailed Description of Functions Amplifier Monitoring Functions Introduction- Detailed Description of FunctionsRS-232 Port Functions Introduction- Network Description Introduction- Sample Network Topologies Introduction- Sample Network Topologies What is Included in the Carton Installation- Basics and MountingUnpacking Location ConsiderationsConnecting AC Power Installation- Mounting and AC PowerConnecting Audio Inputs Installation- ConnectionsConnecting the RLY/TRG Connecting page InputConnecting the RLY OUT Connecting the Monitor Chain IN/OUTConnecting to 4-CHANNEL Amplifiers Connecting to the RS-232 PortConnecting to 2-CHANNEL Amplifiers Installation- Rear Panel Detail Port Connected LED’s Operation- LED IndicatorsSTART-UP Behavior and Preset Operating Operation- General Information & PresetsMost up-to-date information Operation- Recalling Presets Using RLY/TRGHOW to put the CM16a into Bypass Mode #2 Operation- Bypass Modes and Switch LocationHOW to put the CM16a into Bypass Mode #1 Operation- Serial Port I/O Interface RS-232 Communications ProcedureXon/Xoff Only Required for Attaching to Existing Networks IP Address AssignmentThis is the basic procedure for opening a Telnet session Operation- Telnet AccessFuse Replacement Operation- Fuse ReplacementSpecifications- Dimensions Power amplifier output processing SpecificationsInput Signal Processing Contact closure inputs and outputs Power amplifier managementControl room foldback monitoring General RS232 PortARCHITECT’S and ENGINEER’S Specifications Ethernet Cabling Appendix- Ethernet Cable PinoutsRS-232 Pinout Appendix- DataPort Pin-out & Connector P-N’sPin Signal Description How to Contact QSC Audio Products
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CM16a specifications

The QSC Audio CM16a is a versatile and powerful amplifier designed to meet the demands of professional audio applications. Known for its reliability and performance, the CM16a is ideal for both live sound and installation scenarios, offering a perfect blend of advanced technology and user-friendly features.

One of the standout features of the CM16a is its Class D amplifier architecture. This technology ensures not only high efficiency but also a lightweight design, making it easier to transport and install in various settings. The amplifier delivers an impressive output power of 1600 watts at 4 ohms, providing ample headroom for demanding audio applications. The CM16a is capable of handling multiple speaker configurations, making it a flexible choice for various setups.

Another key characteristic of the QSC CM16a is its advanced thermal management system. This built-in feature ensures the amplifier operates within safe temperature limits, enhancing reliability and extending the lifespan of the unit. The CM16a also includes an intelligent protection circuit that safeguards the amplifier from overload and short circuits, allowing users to operate it confidently even during intense performances.

The CM16a comes equipped with multiple inputs and outputs, including XLR and TRS connectors, enabling seamless integration with a range of audio sources and systems. This versatility allows for easy connection to mixers, microphones, and instruments, making it suitable for diverse applications from concerts to corporate events.

In addition to its robust performance, the QSC CM16a features an intuitive front panel design with LED indicators for quick monitoring of system status and performance. Users can easily adjust levels and settings, ensuring optimal audio quality for any given situation.

The amplifier is also designed with efficiency in mind, incorporating Power Factor Correction (PFC) technology. This enhances power usage, reducing operational costs while minimizing environmental impact.

In conclusion, the QSC Audio CM16a stands out as a premier choice for audio professionals seeking a reliable, high-performance amplifier that can deliver exceptional sound quality. With its Class D technology, advanced protection features, versatile connectivity, and user-friendly design, the CM16a is a worthy investment for any audio application. Whether for live sound reinforcement or permanent installations, the CM16a promises to meet the needs of even the most demanding audio environments.
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