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3
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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