QSC Audio CX168 user manual Table of Contents

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TABLE OF CONTENTS

INTRODUCTION:
CX168 Overview	4
Front Panel Illustration	4
Rear Panel Illustration	5
Mounting Dimensions	5
INSTALLATION:
What is Included	6
Rack Mounting	6
Supporting the Rear of the Amplifier	6
Fan Cooling	7
AC Mains (AC Power) Connection	7
SETUP:
Setting the Configuration (MODE) Switches	8
Setting Operating Mode (Stereo, Parallel, or Bridge)	9
Clip Limiter Setting	10
Low Frequency (Subaudio) Filter Settings	10
Low Frequency Filtering Tips and CX168 Frequency Response Curve	11
CONNECTIONS:
Inputs: Connecting to the Input Terminal Block Inputs	12
Connecting to the DataPort Inputs	13
Outputs: Connecting the Outputs in Stereo or in Bridge Mode	14
How to use the 8-pin Output Connectors	15
OPERATION:
Power Switch	16
LED Indicators	17
Gain Controls	18
Security Plate for Gain Controls	19
DataPort Connector	20
DataPort Guidelines for the CX168	21

APPLICATIONS:
Four Room, Stereo Feed	22
Tri-Amplified, Stereo Cabinets with Subwoofer	22
APPENDIX:
Detailed Explanation of Stereo, Parallel, and Bridge Operating Modes	24
Multiple Speaker Loads in Series	26
Multiple Speaker Loads in Parallel	27
TROUBLESHOOTING	28
SPECIFICATIONS	30
WARRANTY INFORMATION	32
HOW TO CONTACT QSC AUDIO PRODUCTS	32

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Contents CX168 FCC Interference Statement Important Safety Precautions Explanation of SymbolsTable of Contents Front Panel Front Panel with Security Plate IntroductionRear Panel Dimensions Mounting Points Supporting the Rear of the Amplifier Installation Unpacking & Rack MountingWhat is Included Rack MountingInstallation Cooling & AC Mains Requirements Fan CoolingAC Mains Connection Setup Setup Setting the Mode Configuration DIP SwitchesModes Setup Setting the Mode STEREO, PARALLEL, or BridgeSetup Mode Switches Clip Limiter and LOW Frequency Filters Clip LimiterLow Frequency Filter Frequency Response Curves Low Frequency Filtering TipsConnections INPUTS- Using the Terminal Block Inputs Connections INPUTS- Using the DataPorts Outputs Stereo and Parallel ModeBridge Mode Connections OutputsTerminal Block Connections Connections OUTPUTS- Using the Terminal Block ConnectorsPower Switch Operation Power Switch and Gain ControlsLED Indicators Operation LED IndicatorsGain Controls Operation Gain ControlsGain Control Security Plate Operation Gain Control Security PlateOperation Using the QSC Dataport Connections DataPort ConnectorsUsing the DataPort What Can I Connect to the DataPort? General Guidelines to using the DataPorts on the CX168Four Room Stereo Feed Applications Typical Application ExamplesOFF Stereo Mode Parallel ModeAppendix Description of Stereo & Parallel Operating Modes Normal Operating Levels Appendix Description of Bridge Operating ModeMultiple Lo-Z Loads in Series Appendix Multiple Speaker Loads in SeriesMultiple Lo-Z Loads in Parallel Appendix Multiple Speaker Loads in ParallelProblem no Sound Troubleshooting no SoundProblem Hiss Output Power in watts SPECIFICATIONSCX168CX168 SpecificationsWarranty Information & HOW to Contact QSC Product WarrantyDisclaimer Page Page