QSC Audio HPR152F, HPR153F, HPR151W, HPR181W, DSP-30 Installation Balanced Audio Connections, Xlr

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Installation: Balanced Audio Connections

Connecting Audio Inputs and Outputs

All audio connections should be balanced to ensure the best performance. Unbalanced signals may be used if necessary; follow the wiring guidelines below for recommended unbalanced termination.

The audio input jacks are female 3-pin XLR /TRS “combo” connectors. They will accept male XLR plugs or TRS (tip-ring-sleeve) 1/4-inch phone plugs. The audio output jacks are male 3-pin XLR connectors.

BALANCED

Balanced connection is recommended for all inputs.

The XLR - TRS “combo” inputs are electronically balanced. Balanced input cables are recommended to minimize noise pick up and prevent ground loops.

Refer to the pinouts provided (below) for proper connection.

XLR

TRS (1/4 inch)

TRS- tip, ring, sleeve (3

conductors)

Suitable only for inputs.

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Contents Hardware Manual DSP-30Federal Communications Commission FCC Information Explanation of Graphical SymbolsTable of Contents Rear Panel Introduction Overview and IllustrationsOverview Front PanelDimensions Introduction Illustrations and DimensionsMounting Installation Unpacking and MountingSupport the Rear for Portable/Mobile Installations UnpackingBalanced Installation Balanced Audio ConnectionsXLR TRS 1/4-inch Installation Unbalanced Audio ConnectionsUnbalanced TS 1/4-inch phoneAudio Connections Installation Connecting Audio Inputs and OutputsBasic Audio Connections Connecting to the RS-232 Port Installation Connecting to the RS-232 PortSoftware Installation Installation System Requirements and Software InstallationSystem Requirements Front Panel Use Control, Indicator, and Connector DescriptionsRear Panel Preset Selections buttons AC power receptacleYou may select configurations from the sample files *.cfg Use General Use Guidelines and Preset DescriptionFactory Presets Within Signal Manager or create your ownHow to Save Presets into the DSP-30 Use Saving Presets Using QSC’s Signal Manager softwarePresets Configuring the DSP-30’s PresetsTo Recall a Preset Use How to Recall a Preset from the Front PanelAdditional Tips To Unlock Front Panel Buttons Use Lock OUT FeatureLock Indicator UnlockedContact Closure Feature Use Contact Closure FeatureWiring Diagram for Contact Closure RS-232 Pinout Use RS-232 PinoutUse Application Example Use Application Example RS-232 Port Audio Converters 24 bit, 48 kHzContact Closure Input sense Gain Structure balanced input and output Signal Processing CapabilitiesGeneral Architect’s and Engineer’s Specification Product Warranty CleaningUser Maintenance Warranty InformationPage

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HPR152F, HPR153F, HPR151W, HPR181W, DSP-30 specifications

The QSC Audio DSP-30 is a powerful digital signal processing platform designed for a wide range of audio applications, particularly in professional audio environments such as live sound, installation, and broadcast. Renowned for its exceptional audio performance and versatility, the DSP-30 provides users with advanced control over audio signals, ensuring that sound quality meets the highest standards.

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