QSC Audio DSP-3 manual Puter VGA cables as they are not correctly constructed for

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Section 2: Installation- Connections

DATAPORT Connection- This section applies to those users interfacing with the QSC DataPort products. If using the DataPort for your audio inputs, DO NOT use the terminal block inputs. If the DataPort is used only for control & monitoring of the amplifier (no audio input through the DataPort), then audio input may be via the terminal-block connectors.

The front-panel DataPort connection is used for connecting to

QSC DataPort products. Use a QSC DataPort cable (male-to-

male) similar to VGA computer monitor cables. Do not use com-

puter VGA cables as they are not correctly constructed for

use with the DSP-3.QSC DataPort cables may be obtained through your QSC distributor or by calling QSC’s Technical Services Department. The plugs and jacks are the same physical size as the RS-232 connections; be careful not to get them confused.

The rear-panel DataPort connection from the DSP-3 to QSC amplifiers is made when mounting the DSP-3 to the rear of the amplifier. The DataPort connection from any other accessory to the DSP-3 is made by orienting the connector properly, inserting it fully into the jack and finger-tightening the retaining screws. The audio signals on the rear-panel DataPort are post-DSP (processed).

Front panel DataPort connection is not required for the operation of the DSP-3.

RS-232 PORT Connection- Connection to the RS-232 port is made using a 9-pin serial data cable (male-to-female). Cable length should be 25 feet or less. Orient the DB-9 plug correctly, insert the plug fully into the RS- 232 port and finger-tighten the retaining screws.

DSP-3 setup and programming takes place through the RS-232 port. Any time setup changes are required to the DSP-3, it must be connected to its host computer through the RS-232 port. If “real-time” control of the DSP- 3 is required, the RS-232 port connection must be maintained as well. If “real-time” control is not required, then the DSP-3 can be setup first and then disconnected from the PC.

The RS-232 connection does not have to be maintained for the DSP-3 to operate.

Setup & programming can also be done via Ethernet network communication when using QSC’s QSControl products. Refer to QSControl documentation for detailed information.

DataPort Connection: 15-pin Cable

RS-232 Connection: 9-pin Cable

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Contents DSP-3 Amplifier Accessory Hardware ManualPage Table of Contents Federal Communications Commission FCC Information Introduction- Overview Introduction- DSP-3 General Use Guidelines Turn the Equipment OFF & Install the Hardware Introduction- Quick StartConnect the Computer to the DSP-3 Turn the AMP Gain DOWN, Power UP the Amplifier & the DSP-3 Channel 1 Input & Channel 2 Input connectorsConnect the Audio Inputs Install the Software What the Signal Manager Application Looks LikeEstablish Communication Between the DSP-3 & the Computer Create a Simple DSP ConfigurationIntroduction- Quick Start Front Panel Dataport unlabeled- This is the output Rear PanelIntroduction- List of Functions & Features Signal Level Meter Introduction- Block Diagram Audio Output Path Power SupplyData Acquisition Contact ClosureInstallation- Unpacking and Mounting Page Balanced connection is recommended for all inputs Installation- ConnectionsPuter VGA cables as they are not correctly constructed for DAISY-CHAINING the DSP-3 Outputs to Additional Amplifiers Power SourceInstallation- Application Examples Installation- Application Examples Installation- Application Examples Software Installation Signal Manager Software- Software InstallationSignal Processing 24 bit, 48 kHz SpecificationsPower amplifier connectivity RS-232 PortGeneral DimensionsGain Threshold Attack time Release time Architect’s and Engineer’s SpecificationsDescription of Encode Signals Appendix- DataPort PinoutData Port Pinout Pin with Strain Relief Phoenix Contact 17 76 16 Appendix- RS-232 Port Pinout & Connector P-N’sApplication Information Appendix- Application InformationReason Appendix- Preset Operation NotesCleaning Maintenance, Warranty & QSC Contact Information
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DSP-3 specifications

QSC Audio has long been recognized for its commitment to delivering high-quality audio solutions, and the QSC DSP-3 is no exception. This advanced digital signal processor (DSP) embodies cutting-edge technologies, designed to enhance audio systems in a variety of environments, including live sound, broadcasting, and installation applications.

One of the main features of the DSP-3 is its exceptional audio processing capabilities, boasting 32-bit floating-point processing for superior sound quality. This ensures that audio remains clear and dynamic, with minimal distortion, even under demanding conditions. With a frequency response of 20 Hz to 20 kHz, the DSP-3 caters to a wide range of audio frequencies, ensuring no detail is lost in the sound.

The DSP-3 offers extensive input and output options, including multiple analog and digital inputs and outputs. This flexibility allows for seamless integration into existing sound systems, catering to various setups while accommodating different signal formats. Users benefit from the unit’s configurability, enabling tailored solutions for different applications.

One of the standout technologies integrated into the DSP-3 is its advanced FIR (Finite Impulse Response) filtering capabilities. FIR filters are known for their phase linearity, which is crucial for maintaining the integrity of the audio signal through the processing chain. This feature helps in achieving accurate sound reproduction, ensuring a natural listening experience.

Additionally, the DSP-3 comes equipped with a user-friendly interface, featuring real-time monitoring and control options. This interface allows sound engineers and technicians to swiftly make adjustments on the fly, resulting in optimized audio performance tailored to the specific venue or event.

Another notable characteristic of the DSP-3 is its robust protection features. With built-in limiters, compressors, and equalizers, the device safeguards audio equipment from damage due to excessive signal levels, while maintaining the best audio quality possible. This added layer of protection is invaluable in live sound scenarios, where unpredictable dynamics can occur.

Overall, the QSC DSP-3 stands out as a powerful and flexible digital signal processor that meets the needs of modern audio applications. Its combination of advanced processing capabilities, extensive connectivity, intuitive interface, and protection mechanisms makes it an essential tool for audio professionals aiming to achieve exceptional sound quality in diverse environments. Whether for live events, installations, or broadcast applications, the DSP-3 enhances audio performance and reliability, solidifying QSC's reputation as a leader in the audio industry.
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