TD-000103-00 rev.CDSP-4Digital Signal ProcessorAmplifer Accessory Hardware Manual*TD-000103-00*

10DataPort ConnectionsWhen using the DSP-4 module with QSC’s amplifier network monitors, the audio input to the module can be delivered through the Da

11If making your own cables, please refer to the Appendix for proper pinout of the XLR con-nectors. Pinouts are provided for balanced and unbalanced

12To connect the DPX-1 to the DSP-4 module, plug the DPX-1 power con-necter into the DSP-4’s External Power jack. Then plug the DPX-1 into the AC outl

13Daisy ChainingDaisy chaining the DSP-4 outputs to additional amplifiers:The DSP-4 has two XLR audio outputs, one for each channel. These outputs may

14USE- General Guidelines for Freely Configurable DSPThe DSP-4 is configured (programmed) by using the included Signal Manager software. The software

15Special Information About Saving DSP-4 Configurations (continued)Answering YES will open the Browse window. Once a configuration is selected, it is

16SPECIFICATIONS- Audio convertersResolution and Sampling Rate 24-bit resolution, 48 kHz sampling rateFrequency response at 3 dB below full scale inpu

17SPECIFICATIONS-Power Amplifier ConnectivityCompatibility all professional audio power amplifiersFull Feature Set all QSC DataPort-connected amplifie

18Architect’s and Engineer’s SpecificationsThe Digital Signal Processor (DSP) shall provide two independent channels of DSP for signal delivery to QSC

19APPENDIX- DataPort PinoutNOTE!This information is shown for reference only and is subject to change without notice as the DataPort feature is spe-ci

2IMPORTANT SAFETY PRECAUTIONS & EXPLANATION OF SYMBOLSThe lightning flash with arrowhead symbol within an equilateral triangle is intended to aler

20APPENDIX- Balanced connection is recommended for all inputs. The XLR inputs on the DSP-4 are electronically balanced. Balanced input cables are rec

21APPLICATION INFORMATION As design improvements are continuous, the following information is subject to change. Contact QSC for current information.Q

22NOTES-

23NOTES-

QSC Audio Products, Inc. 1675 MacArthur Boulevard Costa Mesa, California 92626 USA©2002, 2004 “QSC” and the QSC logo are registered with the U

3IntroductionThe DSP-4 is a digital signal processor (DSP ) accessory for audio power amplifiers. It is designed to reduce the need for external signa

4Connector and Indicator DescriptionsChassis Lance: Use this lance to secure accessory power cord (if used) with a wire tie.CH 1 OUTPUT, CH 2 OUTPUT:

5Introduction - Functions and FeaturesThe full set of features is available on QSC DataPort equipped amplifiers connected to the DSP module via the Da

6Introduction- Block DiagramInput Stage- Inputs are electronically balanced and RF filtered. The input sensitivity is software-selectable and any larg

7Installation-UnpackingIt is recommended that you keep the original packing material for reuse in the rare event that service be required for your DSP

8Software Installation (continued)5. Using the main menu bar at the top of the window, choose the “Help” item and read the software help section. Th

9Remote mounting (4-ch., 8-ch., Powerlight & non QSC amp’s)The DSP-4 module requires “remote” mounting when used with the 4- and 8-channel CX, 4-c