QSC Audio CM16a manual Installation- Connections, Connecting Audio Inputs

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REAR PANEL- AUDIO INPUTS

Section 2: Installation- Connections

CONNECTING AUDIO INPUTS

The audio inputs are located on the rear panel. The CM16a uses “Phoenix”-type (Euro-style) terminal block connectors for

the audio inputs. These connectors allow the installer to pre-wire the input termina- tions before the CM16a is installed in the

rack. It also allows for re-routing of audio inputs by simply interchanging connector

locations without the need for any tools. See Appendix for connector manufacturer’s

part number reference.

BALANCED INPUT CONNECTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Balanced connection is recommended for all inputs. If unbalanced audio sources are used, it is preferable to use an appropriate audio transformer (or other unbalanced- to-balanced “converter”) to provide a balanced input to the CM16a. If this is not possible, then it is recommended that the negative terminal and shield terminal be connected to one another with a jumper wire. The illustrations to the right show the proper connection of audio program input sources for both balanced and unbalanced inputs.

UNBALANCED INPUT CONNECTION

The recommended stripping length for the wires is approximately 6 to 8 mm ( 1/4 to 5/16 inch). When stripping the audio cable, be careful not to nick or cut the conductor strands. After each conductor has been stripped and dressed, insert it fully into the connector and tighten the retaining screw. When stranded wire is used, carefully twist the conductor strands together so that when they are inserted into the connector assembly, no loose strands short adjacent terminals.

STRAIN RELIEF

For heavy-duty input cables, the use of connectors with integral strain relief is recommended. These connectors have a large plastic tab molded as part of the assembly which provides an area to tape or tie-wrap the cable to. At the time of this writing, only the 3-terminal with the strain relief was available through QSC . See Section 6 (Appendix) for connector part numbers.

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Contents CM16a Amplifier Network Monitor ¨ Warning ¨ Table of Contents CM16a Amplifier Network Monitor Federal Communications Commission FCC Information Introduction- Overview Physical Characteristics Introduction- Physical Characteristics & LayoutIntroduction- Physical Layout Diagram Functional 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 Location Considerations Installation- Basics and MountingWhat is Included in the Carton UnpackingConnecting AC Power Installation- Mounting and AC PowerConnecting Audio Inputs Installation- ConnectionsConnecting the Monitor Chain OUT Connecting page InputConnecting the RLY/TRG Connecting the RLY OUTConnecting to Amplifiers Connecting to the RS-232 PortInstallation- Rear Panel Detail Installation- Hookup Example Operation- General Safe levels ANY time Bypass mode is usedThere are two distinctly different Bypass modes Operation- LED Behavior & Bypass Switch UsageUploading a new application file Tftp file transfer Operation- Bypass Switch UsageOperation- Serial Port I/O Interface Xon/Xoff Only Required for Attaching to Existing Networks IP Address AssignmentOperation- Telnet Access Fuse Replacement Operation- Fuse ReplacementSpecifications- Dimensions Input Signal Processing SpecificationsPower amplifier output processing Control room foldback monitoring Power amplifier managementContact closure inputs and outputs RS232 Port Network InterfaceGeneral ARCHITECT’S and ENGINEER’S Specifications Ethernet Cabling Appendix- Ethernet Cable PinoutsPin Signal Description Appendix- DataPort Pin-out & Connector P-N’sDescription Encode Signals 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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