powersoft D-Cell504 User Manual
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powersoft D-Cell504 User Manual

Class d power amplifier module for professional audio applications
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D-Cell504
Class D power amplifier module for professional audio applications
e
USER GUIDE
Version 4.0
powersoft_dcell504_uguide_en_v4.0
www.powersoft-audio.com
1

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Summary of Contents for powersoft D-Cell504

  • Page 1 D-Cell504 Class D power amplifier module for professional audio applications USER GUIDE Version 4.0 powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...

  • Page 2: Table Of Contents

      ® SIGMASTUDIO  QUICK START ..........................  2 2   “Ready‐Download” mode: Real Time setting and listening  ...................  2 3   PRESETS storage ..............................  2 3   Examples  ................................  2 4   POWERSOFT PRESETS ............................  2 7   APPENDIX A: CONNECTORS DESCRIPTION & SPECIFICATIONS ................  2 8   APPENDIX AUDIO PERFORMANCES .........................  3 0        ...

  • Page 3: Safety Instructions

    D-Cell504 User Guide CAUTION CAUTION RISK OF ELECTRIC SHOCK RISK OF ELECTRIC SHOCK DO NOT OPEN DO NOT OPEN SAFETY INSTRUCTIONS CAUTION: To reduce the risk of electric shock, do not remove the cover. No user-serviceable parts inside. Refer servicing to qualified service personnel.
  • Page 4 The “IS” version is also available* with PowerCon in and out connection as shown in the figure below:  The maximum output current that can be drawn from the PowerCon output connector is 7A / 1600W *not all the models are available with PowerCon in and out: contact Powersoft for more info powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...

  • Page 5: Section 1 - Description

    The DSP used on the D-Cell504 is a 2-in/4-out, so a fully processed 4 channel configuration need only one amp with DSP and the second without DSP, with the first one feeding the processed inputs of the second. For a proper routing of the signals, a “4-channel kit”...
  • Page 6 D-Cell504 User Guide  Modularity: separate power supply and amplification stages for easy and flexible integration  Multistage architecture: possibility of feeding two amplification stages with a single power supply unit for multi-channel applications  Novel State of the Art Fixed Frequency PPM-PWM modulation : Unmatched audio performance from any perspective, intrinsic immunity to intermodulation artifacts in multi-channel applications ...

  • Page 7: Applications Examples

    D-Cell504 User Guide Applications examples Subwoofer Stereo 4 Ohm (Bridged Mode) 350 W 2 CH POWER OUTPUT 2 CH POWER SUPPLY STAGE OUTPUT SUPPLY 700 W STAGE 4 Ohm 350 W Multiway Systems Biamp 2 CH 180 W OUTPUT STAGE...

  • Page 8: Connections

    D-Cell504 User Guide Connections AMPLIFIER UNIT: CONNECTING LAYOUT OUTPUT CH.1 OUTPUT CH.2 –12VDC DSPOUTCH4 IN2- IN2+ IOUT1MONITOR* ZLOAD1 BY OUT2 EARECT1 BY IN2 Reserved PRTOUT2** +VCC Reserved MUTE +VCC Reserved TEMPOUT +VCC Reserved PRSTLED1 +VCC Reserved PRSTLED2 Reserved PRSTLED3 TEMP...

  • Page 9: Section 2 - Specifications

    D-Cell504 User Guide SECTION 2 - SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS Mains Input Section Value Tol. Notes Mains Voltage Range: Minimum off-line voltage 115 V ± 10% Maximum off-line voltage 230 V ± 10% Mains Frequency Range: Minimum 50 Hz Maximum...

  • Page 10: Amplifier Unit Audio Specifications

    93% (typical) Input Sensitivity Output type 2,22 dBu / 1 V Unbalanced to ground Powersoft reserves the right to make improvements in manufacturing or design which may affect product specifications. D-CELL504DSP & D-CELL504DSP-IS Input impedance Slew Rate @ 8 ...

  • Page 11: Section 3 - Features

    D-Cell504 User Guide SECTION 3 – FEATURES Protections Temperature Detector Output input output Stage Peak Current Detector Average Power Detector Average Hi-Freq. Detector Average Current Detector Input-Output Comparator Clip limiter: Acts as input stage gain reduction since Input/Output comparation detects differences exceeding 1% THD.

  • Page 12: Energy Save & Fan Ouput

    The Fan Output is located on the Interface’s PCB, near the Energy Save’s solder pads. Maximum current draw from the Fan Outputs: 100 mA Auxiliary output Three auxiliary output supplies are available in all versions of D-Cell504, to power your external circuits and devices. AUX 1: Voltage type...

  • Page 13: Section 4 - Designer'sguide

    SECTION 4 – DESIGNER’S GUIDE AUDIO SIGNAL PATH The D-Cell504 is designed to optimize the performances and to guarantee the best audio quality by exploiting all the characteristics of its components. It’s really important, for anyone who develop its own product around D-Cell, to well understand the path of the audio signal throughout the different stages: this will help you to get the best results from your project.

  • Page 14: Wiring Configurations & Operation Modes

    In particular, CH1 output is inverting, while CH2 is non-inverting. The first inversion is operated, on both channels, inside the DSP: this means that in the D-Cell504 basic version, without the DSP, we have the opposite situation, with CH1 non-inverting output and CH2 inverting output.

  • Page 15: Input Configuration Setup

    D-Cell504 User Guide INPUT CONFIGURATION SETUP The default input configuration of the interface panel includes two female XLR connectors, for stereo input configuration (See Section 4.1 for detailed schematics), and with the Pre-Limiter indicated in Section 0 activated. You can change this setup by following the instructions below, referring to the schematics in Section 4.1.

  • Page 16: Dsp Output

    D-Cell504 User Guide DSP OUTPUT The DSP mounted on the D-Cell offers 4 different outputs, that can be used to feed an additional amp unit with processed signal: this allows to easily setup multistage architectures. Outputs 1 and 2 of the DSP are automatically routed to the ouputs of the amp unit that hosts the DSP itself.

  • Page 17: Interface Board

    D-Cell504 User Guide Interface Board SCHEMATIC 1 - INPUT/OUTPUT SECTION SCHEMATIC 4 – PRE-LIMITER SCHEMATIC 2 – LEDS SCHEMATIC 3 - CLIP LIMITER & ENERGY SAVE SCHEMATIC 5 – FAN OUT powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...

  • Page 18: Mechanical Mounting

    D-Cell504 User Guide Mechanical mounting AMPLIFIER UNIT powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...

  • Page 19: Thermal Design

    D-Cell504 User Guide Thermal Design This device must be correctly heatsinked for correct and reliable operation. The dissipated power can be calculated is: Maximum dissipated power = Maximum Output Power x (1-Efficiency*) + Idle Power * Typical efficiency = 0.78 ; ** 6 dB power crest factor program Considering that thermal protection is set at 80°C on bottom aluminium plate, thermal resistance of the heatsink is...

  • Page 20: Section 5 - Signal Processing

    D-Cell504 User Guide SECTION 5 – SIGNAL PROCESSING ® SIGMASTUDIO Installation This chapter describes how to install the SigmaStudio on a computer running the Microsoft Windows operating system. System Requirements  Windows XP Professional or Home Edition with SP2; Windows 2000 with SP4; Windows ME; Windows Server 2003 ...

  • Page 21: Dsp Programming Setup

    D-Cell504 User Guide DSP Programming Setup What you need to program your D-Cell504DSP: DCELLPROG11 Programming Board USB cable (for the communication between PC and DCELLPROG11 Programming Board) 16 poles Flat Cable (for connection between DCELLPROG11 Programming Board and D-Cell504DSP or D-...

  • Page 22: Sigmastudio ® Quick Start

    D-Cell504 User Guide SIGMASTUDIO ® QUICK START These are abbreviated instructions to help get you started. Please refer to the SigmaStudio Help for detailed instructions, tutorials and examples: You can find the guide by clicking the “Help” menu of SigmaStudio or in the folder ..\Program Files\Analog Devices Inc\Sigma Studio 3.0\Help\ A LOOK TO THE WORKSPACE.

  • Page 23: "Ready-Download" Mode: Real Time Setting And Listening

    D-Cell504 User Guide “Ready-Download” mode: Real Time setting and listening With SigmaStudio and the ADAU1702 DSP you can monitor in real time the changes you’re making in your project. To do it, once you connected the blocks and built the path from inputs to outputs, ...

  • Page 24: Examples

    D-Cell504 User Guide Examples Example 1: Stereo Audio Input/Output with Volume Control. 1) Launch SigmaStudio and create a new project. The Hardware Configuration tab and workspace will display. 2) Drag an ADAU1702 and an EvalBoard170x block from the “Tree Toolbox” area at the left of the Program Window, into the workspace.
  • Page 25 D-Cell504 User Guide 10) Click IO in the Toolbox and drag two Output blocks to the workspace. 11) If your speakers aren’t connected to outputs 0/1, use the dropdown to change them to the correct outputs. 12) Connect the Volume Control blue output pins to the green input pins on the Output blocks.
  • Page 26 D-Cell504 User Guide Example 2: Probe and Stimulus Blocks Complete the first example in order for an explanation of the input, output, and EQ blocks that are used in this tutorial. Its purpose is to show you how to use probe and stimulus blocks to monitor the frequency response of the filters you set.

  • Page 27: Powersoft Presets

    Select the “POWERSOFT_DAC_limiter_block.dspbrd” file* and open it. *The “POWERSOFT_DAC_limiter_block.dspbrd” file is included in the “Powersoft_D-Cell_Package.zip” downloadable from the Download/Modules/ section of Powersoft’s website: http://www.powersoft-audio.com In this package you will find other examples of presets designed for different configurations: Subwoofer, 2-way speakers, Subwoofer + 2 Satellites systems, etc..

  • Page 28: Appendix A: Connectors Description & Specifications

    D-Cell504 User Guide APPENDIX A: CONNECTORS DESCRIPTION & SPECIFICATIONS POWER SUPPLY UNIT: CONNECTORS DESCRIPTION Mains Input ID code: Manufacturer: Model/Code: FA800T Various 6.3x0.8 mm female Faston FA801T Various 6.3x0.8 mm female Faston Out connectors ID code: Description Manufacturer: Model/Code: CN800T...
  • Page 29 D-Cell504 User Guide –12VDC Auxiliary Voltage DSPOUTCH4 Ch 4 DSP output IN2- IN2+ BY OUT2 BY IN2 PRTOUT2** Ch 1 Output protection flag , HIGH = protection active see Section 0, points 4) and 5) MUTE Mute Command (pull to GND to mute the outputs)

  • Page 30: Appendix B: Audio Performances

    D-Cell504 User Guide +VCC +12VDC Connect to pin 7 of CN800T connector on Power Supply Unit +7.5 VDC Connect to pin 8 of CN800T connector on Power Supply Unit Reserved To not be used -12VDC Connect to pin 10 of CN800T connector on Power Supply Unit...
  • Page 31 D-Cell504 User Guide D-Cell504 sine FFT- 10dBVout - 8 Ohm (THD+N = 0.0035%) -100 -110 -120 -130 -140 -150 DIM30 VS. POWER D-Cell 504 NO-DSP DIM30 Vs. Power @ 8 Ohm 0.05 0.02 0.01 0.005 0.002 0.001 600m Output Power (Watts) powersoft_dcell504_uguide_en_v4.0...
  • Page 32 D-Cell504 User Guide INTERMODULATION DISTORTION D-Cell504NO-DSP FFT IMD (18.5KHz-1KHz)- 20dBV (respect max. voltage - 4 Ohm (THD+N = 0.0025%) -100 -110 -120 -130 -140 -150 THD VS. POWER D-Cell 504 NO-DSP THD Vs. Power 100Hz- 1KHz- 7KHz @ 8 Ohm 0.05...
  • Page 33 D-Cell504 User Guide DYNAMIC RANGE D-Cell504 NO-DSP Dynamic Range @ 8 Ohm 100n 200n 500n 100u 200u 500u 100m 200m 500m FREQUENCY RESPONSE D-Cell504 NO-DSP Frequency Response Open-8Ohm-4 Ohm powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...
  • Page 34 D-Cell504 User Guide I/O PHASE VS. FREQUENCY D-Cell504 NO-DSP In-Out Phase 8 Ohm (total delay = 9 µs) Red: Phase Blue: Level powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...

  • Page 35: D-Cell504Dsp & D-Cell504Dsp

    D-Cell504 User Guide D-Cell504DSP & D-Cell504DSP IS D-Cell504DSP sine FFT- 10dBV (respect to max voltage) - 8 Ohm (THD+N = 0.015%) -100 -110 -120 -130 -140 DIM30 VS. POWER D-Cell 504DSP DIM30 Vs. Power @ 8 Ohm 0.05 0.02 0.01 0.006...
  • Page 36 D-Cell504 User Guide INTERMODULATION DISTORTION D-Cell504DSP FFT IMD (18.5KHz-1KHz)- 20dBV (respect to max voltage - 4 Ohm (THD+N = 0.005%) -100 -110 -120 -130 THD VS. POWER D-Cell 504DSP THD Vs. Power 100Hz- 1KHz- 7KHz @ 8 Ohm 0.05 0.02 0.01...
  • Page 37 D-Cell504 User Guide DYNAMIC RANGE D-Cell504DSP Dynamic Range @ 8 Ohm 100u 200u 500u 100m 200m 500m FREQUENCY RESPONSE D-Cell504DSP Frequency Response Open - 8 Ohm - 4 Ohm powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...

  • Page 38: Common Measures D-Cell504Dsp / D-Cell504

    D-Cell504DSP In-Out Phase 8 Ohm (total delay = 1 ms) +175 +150 +125 +100 -100 Red: Phase -125 Blue: Level -150 -175 -200 -225 -250 -275 -300 -325 -350 -375 COMMON MEASURES D-Cell504DSP / D-Cell504 EIAJ BURST Burst - 0dBV @ 4 Ohm powersoft_dcell504_uguide_en_v4.0 www.powersoft-audio.com...
  • Page 39 D-Cell504 User Guide PEAK OUTPUT POWER Peak Output Power - SE @ 4 Ohm - 2 CHs Driven 100m 200m 300m 400m 500m 600m 700m 800m Peak Output Power - Bridged @ 8 Ohm .95k .95k 100m 200m 300m 400m...

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