QSC Audio CM16a manual Installation- Mounting and AC Power, Connecting AC Power

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Section 2: Installation- Mounting and AC Power

MOUNTING THE CM16a (continued): The illustration below shows the basic mounting technique.

The CM16a uses fan-drawn air for cooling. The air intake is on the left side of the chassis and the exhaust vents are on the front panel. Be certain not to obstruct these openings! Allow ample “open space” around them in order to maintain unobstructed air flow.

Note that the CM16a’s recommended ambient operating temperature is 0°C. to 50°C. (32°F. to 122°F.). Do not install the CM16a in environments that expose it to temperatures outside this range. Keep in mind that some equipment rack installation environments can get quite hot. If there is any question, measure the air temperature inside the equipment rack and supply additional cooling (air flow) to keep the ambient temperature within the specified limits. QSC amplifiers use back-to-front air flow and therefore do not exhaust hot air into the rack.

CONNECTING AC POWER

The CM16a uses a detachable IEC standard power cord for connecting to a grounded AC source. To connect power to the CM16a: identify the proper end of the cord, match the orientation of the receptacle on the rear panel and insert firmly into the receptacle. The power supply will accept from 85 to 264 Volts AC, 47 to 440 Hertz, without any changes. Make sure that the power cord used is suitable for the line voltage that the CM16a is connected to. If a different type of IEC power cord is required (different style of plug on the outlet end) contact QSC’s Technical Services Department to obtain the correct cord assembly.

REAR PANEL- POWER CORD RECEPTACLE

DO NOT CONNECT THE CM16a TO POWER SOURCES OUTSIDE THE SPECIFIED RANGES OF VOLTAGE OR FREQUENCY! DAMAGE TO THE UNIT COULD RESULT OR THE USER COULD BE EXPOSED TO UNSAFE OPERATING CONDITIONS.

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Contents CM16a Amplifier Network Monitor ¨ Warning ¨ Table of Contents CM16a Amplifier Network Monitor Federal Communications Commission FCC Information Introduction- Overview Introduction- Physical Characteristics & Layout Physical CharacteristicsIntroduction- Physical Layout Diagram Introduction- List of Functions & Features Functional LISTING, Block Diagram & Detailed DescriptionsIntroduction- Block Diagram part Introduction- Block Diagram part Introduction- Detailed Description of Functions Introduction- Detailed Description of Functions Amplifier Monitoring FunctionsRS-232 Port Functions Introduction- Network Description Introduction- Sample Network Topologies Introduction- Sample Network Topologies Unpacking Installation- Basics and MountingWhat is Included in the Carton Location ConsiderationsInstallation- Mounting and AC Power Connecting AC PowerInstallation- Connections Connecting Audio InputsConnecting the RLY OUT Connecting page InputConnecting the RLY/TRG Connecting the Monitor Chain OUTConnecting to the RS-232 Port Connecting to AmplifiersInstallation- Rear Panel Detail Installation- Hookup Example Safe levels ANY time Bypass mode is used Operation- GeneralOperation- LED Behavior & Bypass Switch Usage There are two distinctly different Bypass modesOperation- Bypass Switch Usage Uploading a new application file Tftp file transferOperation- Serial Port I/O Interface Xon/Xoff IP Address Assignment Only Required for Attaching to Existing NetworksOperation- Telnet Access Operation- Fuse Replacement Fuse ReplacementSpecifications- Dimensions Specifications Input Signal ProcessingPower amplifier output processing Power amplifier management Control room foldback monitoringContact closure inputs and outputs Network Interface RS232 PortGeneral ARCHITECT’S and ENGINEER’S Specifications Appendix- Ethernet Cable Pinouts Ethernet CablingAppendix- DataPort Pin-out & Connector P-N’s Pin Signal DescriptionDescription 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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