QSC Audio 914LZ manual Introduction, See page 14 for detailed descriptions

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Introduction

The BASIS 914lz provides the digital audio transport, signal processing, control and status monitoring facilities needed to bind a group of amplifiers and loudspeakers into an inte- grated functioning system. In conjunction with QSCon- trol.net software, the BASIS 914lz enables the user to design, test and deploy professional audio reinforcement and distribution systems ranging in size from one to hun- dreds of channels.

Each QSC power amplifier connects directly to a BASIS 914lz via one of its four QSC DataPorts. All mission-critical elements of the BASIS-driven sound system are monitored. User-selected events are logged and loudspeaker protection features unique to BASIS such as QSC's power limiter are made possible through the DataPort functionality.

Astandard Windows computer is the principle user-inter- face for controlling the overall BASIS/QSControl system. However, the BASIS 914lz also offers a front panel interface for accessing a few critical functions.

A single QSControl.net server computer can support several clients running QSC's latest Venue Manager software. Thus, the sound system can be operated via several computers, roaming wireless laptops, tablets, etc., all at the same time,

from anywhere a connection to the QSControl.net network is available.

The QSControl.net network can also be managed from a sin- gle computer running both the client and the server. Once all BASIS devices in a system are configured, a computer is no longer required on that system’s network. All basic func- tions of the BASIS 914lz continue to operate with or without a control computer connected to the network.

The configurable DSP engine provides all of the functions necessary to handle the amp/loudspeaker portion of a sig- nal chain, such as very flexible and precise crossovers, delays, equalization, compression/limiting, etc.

Audio enters a BASIS 914lz either through analog XLR/TRS combo inputs (line level) or from CobraNet source devices such as QSC's line of RAVE digital audio routers. Any combi- nation of 16 CobraNet channels (selected from up to 4 bun- dles of 32 channels) can be routed into the 24 x 24 DSP engine. Any or all of the 24 DSP channels can also be routed to up to 32 CobraNet channels on the network.

Unlike other configurable DSP boxes, the intrinsic process- ing latency of the BASIS 914lz is both short and fixed at

1- Power indicator

9- DataPorts

2- Diagnostic indicator

10- XLR/TRS combo inputs (line level)

3- Network status indicators

11- Omni inputs

4- Port connection status indicators

12- RS-232 port

5- Multi-function push buttons

13- Network status indicators

6- Display

14- QSControl 10BaseT receptacle

7- Rotary select/accept knob

15- CobraNet 100BaseT receptacle

8- Safe mode switch (recessed)

16- IEC power inlet

See page 14 for detailed descriptions.

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Contents TD-000200-00 Important Safety Precautions & Explanation of Symbols See page 14 for detailed descriptions IntroductionBlock Diagram Introduction Networking the Basis 914lz Why CobraNet Needs Special TreatmentExample #1 QSControl.net X-over mode Example #2 CobraNet X-over mode Example #3 Single Wire Interface Example #4 Two-Wire Interface shared network hardware Example #5 Two-Wire Interface separate network hardware Description UnpackingMounting Rack MountingComputer Requirements & Software Installation To Install QSControl.netTo Uninstall QSControl.net Network General Information & Configuration MemoriesAmplifier Setup Configuration MemoriesConnections LED Indicators RS-232Ports LCD Display and Controls Front Panel Password LockoutLeft side buttons have screen dependent functions LCD Navigation MapGetting Started Reboot only if your computer prompts you to do soGetting Started Operation RS-232 Serial Port I/O Interface Utility/Diagnostic FunctionsSafe Mode Switch How to put the Basis 914lz into Safe ModeRS-232 Communications Procedure Data Bits ParityStop Bits Flow Control Telnet Access Preliminary Specification Omni Inputs IndicatorsDimensions WeightDimensions Page QSC Audio Products 3 Year Limited Warranty How to Contact QSC Audio Products
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914LZ specifications

QSC Audio, a leader in professional audio solutions, has made waves with its latest offering, the QSC 914LZ. This versatile loudspeaker is engineered for high-performance applications, making it ideal for a variety of environments including live shows, corporate events, and installation scenarios. With its advanced design and cutting-edge technologies, the 914LZ is poised to deliver exceptional sound quality and reliability.

One of the standout features of the QSC 914LZ is its stunning audio performance. It utilizes a powerful 14-inch low-frequency driver paired with a robust 1.4-inch high-frequency compression driver. This combination ensures a balanced frequency response, optimized clarity, and impressive bass response, capable of filling large spaces with rich, detailed sound. The loudspeaker can handle high output levels without distortion, making it perfect for both music and speech applications.

The 914LZ also incorporates QSC's sophisticated Directivity Matched Transition (DMT) technology. This innovative design allows for smooth frequency response across the coverage area, reducing the common issues of uneven sound distribution. As a result, audiences can expect a consistent listening experience, regardless of their position in the venue.

Versatility is another key characteristic of the QSC 914LZ. The speaker offers multiple mounting options, including a standard pole mount, allowing for easy integration into various setups. Whether used as a standalone unit or part of a larger array system, the 914LZ adapts seamlessly to different configurations.

Durability is a top priority for QSC, and the 914LZ is built to withstand the rigors of professional use. It features a rugged enclosure made from high-quality materials, designed to endure the demands of touring and installation environments. Furthermore, the loudspeaker's components are engineered for long-lasting performance, ensuring that it maintains its audio fidelity over time.

Incorporating advanced DSP technology, the 914LZ can be fine-tuned for specific applications, providing users with greater control over sound shaping and EQ settings. This flexibility enables sound engineers to create the perfect audio experience tailored to the unique characteristics of any venue.

In summary, the QSC 914LZ is a powerful, versatile, and reliable loudspeaker that exemplifies the brand's commitment to quality and innovation in audio technology. With its impressive sound capabilities, smart design features, and rugged construction, the 914LZ is an excellent choice for professionals looking to elevate their sound experience in various settings.