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INTRODUCTION:
ISA Series Overview .......................................................................................4
Front Panel Illustration .........................................................................................4
Rear Panel Illustrations ........................................................................................5
FEATURES & SETUP :
Power Switch ............................................................................................6
Cooling Air Inlet and Exhaust Vents ...............................................................6
LED Indicators ........................................................................................7
Gain Controls ........................................................................................8
Input Jacks ..........................................................................................8
DataPort V2 Connector ...................................................................................9
Daisy Chaining to Other Devices from the DataPort V2 ................................9
Stereo & Parallel Operating Modes ..................................................................10
DIP Switch Settings ...................................................................11
Bridge Mono Operating Mode .......................................................................12
DIP Switch Settings ................................................................12
Low Frequency Filter ..........................................................................13
DIP Switch Settings ..............................................................13
Frequency Response Curves ..................................................................14
Clip Limiter ........................................................................................15
DIP Switch Settings ...............................................................15
INSTALLATION:
Rack Mounting ....................................................................................16
Mounting Dimensions .........................................................................16
Cooling Requirements ........................................................................17
AC Mains (AC Power) ..............................................................................17
CONNECTIONS:
Inputs: XLR and Terminal Block Input Jacks ...............................................18
Inputs: DataPort V2 Connections and Notes ...........................................19
Outputs: Using the Screw Terminal Connections ............................................20
Outputs: Direct Low Impedance (2-16 ohm loads) ................................................21
Outputs: Distributed High Impedance (“T” models only) ..................................22
Power Sharing Between High and Low Impedance Outputs (“T” models only) .......24
Securing Output Wiring to the Chassis .................................................................25
OPERATION:
Gain Controls .........................................................................................................26
AC Power Switch .........................................................................................26
Front Panel LED Indicators ................................................................................26
Normal Operating Levels ......................................................................................26
APPLICATIONS:
General Notes, Distributed Line Principles .....................................................27
Low Frequency Filtering, Distributed Output Examples ........................................28
Multiple Low Impedance Loads in Series or Parallel Connections .........................30
DataPort V2 Application Information ...........................................................................32
TROUBLESHOOTING ........................................................................................................33
SPECIFICATIONS ......................................................................................................35
WARRANTY INFORMATION .............................................................................................39
HOW TO CONTACT QSC AUDIO PRODUCTS ............................................................................39
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