QSC Audio CM16a manual Introduction- Physical Characteristics & Layout

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Section 1: Introduction- Physical Characteristics & Layout

PHYSICAL CHARACTERISTICS

Each CM16a is one rack space in height (1RU) and has an internal AC power supply. Its chassis depth is 37.7 cm (14.84 in.). The width of the chassis is 44.0 cm (17.32 in.). For the detailed mounting dimensions, please see specification section. The weight of the CM16a is approximately 5 kilograms (11 pounds).

FRONT PANEL (numbers correspond to reference locations shown in illustration to right)

The front panel of the CM16a includes:

1- AC OFF / POWER switch

2- Cooling air exhaust vents (intake vents on left side of chassis as viewed from the front)

3- AC POWER indicator LED

4- DIAGNOSTIC indicator LED

5- Network status indicator LED’s ( RCV, XMT and LINK STATUS), duplicated on rear panel for convenience 6- PORT A through PORT H connection indicator LED’s

7- Access hole for the BYPASS switch (this is not labeled on the panel)

REAR PANEL (numbers correspond to reference locations shown in illustration to right)

The rear panel of the CM16a has duplicates of the RCV, XMT and LINK STATUS indicator LED’s so that network status can be detected from the rear of the unit when installed in the equipment rack. The rear panel provides the following connections:

8- Eight HD-15 receptacles (PORT A through PORT H) for connection to amplifiers with VGA-type cables

9- Sixteen “Phoenix”-type (Euro-style) 3-pin receptacles for audio inputs (PORT A CH 1 through PORT H CH 16)

10- One “Phoenix”-type 5-pin receptacle for audio monitoring functions (MONITOR CHAIN, IN and OUT)

11- One “Phoenix”-type 3-pin receptacle for paging audio signal input (PAGE)

12- One “Phoenix”-type 2-pin receptacle for remote sensing (example: detecting a switch closure or logic event; RLY / TRG IN)

13- One “Phoenix”-type 3-pin receptacle for access to SPDT relay contacts (used for remote switching of external devices; RLY OUT)

14- One RJ-45 type receptacle (10BASE-TEthernet computer network connection)

15- One DB-9 type receptacle (RS-232Port for network and firmware utilities)

16- IEC-type detachable AC power cord receptacle (for connection to AC power line) with integral fuse holder

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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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