Meridian DSP420 User Manual
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Meridian DSP420 User Manual

In-wall loudspeaker system
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Meridian DSP 420 In-Wall Loudspeaker

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Summary of Contents for Meridian DSP420

  • Page 1 Meridian DSP 420 In-Wall Loudspeaker...
  • Page 2 Meridian DSP420 In-Wall Loudspeaker System User Guide...
  • Page 3 Fax (404) 346 7111 PE29 6EX Part no: DSP420 England Reverse engineering or circumvention of Copyright © 2003 Meridian Audio Ltd. MHR: This product incorporates copyright this protection is strictly prohibited. protection technology covered by certain Boothroyd|Stuart Meridian, Meridian, patent applications and intellectual...

  • Page 4: Important Safety Instructions

    Install only in accordance with the manufacturer’s instructions. The DSP420 front plate acts as a heatsink and requires Only use with a Meridian Audio DSP420 wall box. adequate ventilation. Ensure that air can flow around it. Refer all servicing to approved service personnel.

  • Page 5: Radio Interference

    Radio interference FCC Warning: This equipment generates and can radiate radio frequency energy and if not installed and used correctly in accordance with our instructions may cause interference to radio communications or radio and television reception. It has been type-tested and complies with the limits set out in Subpart J, Part 15 of FCC rules for a Class B computing device.

  • Page 6: Table Of Contents

    Contents Introduction Introduces the DSP420 In-Wall Unpacking the DSP420 Loudspeaker System, and gives guidelines loudspeakers and suggested layouts to help you plan your surround system. Gives details of the components supplied Using the DSP420 with the digital loudspeakers, and explains...
  • Page 7 Configuring the DSP420 loudspeakers using a computer Describes how to configure the digital loudspeakers using the Meridian Troubleshooting Configuration program. The Meridian Configuration program ..20 Provides suggested solutions to typical Running the Meridian Configuration problems. program ..........21 Creating a new settings file ....23 Troubleshooting ........

  • Page 8: Introduction

    DSP420 Installation Instructions. For instructions on setting up the loudspeakers turn to the next chapter, Unpacking the DSP420 loudspeakers. Once they have been set up refer to Using the DSP loudspeakers, page 15, for information about getting the...

  • Page 9: The Dsp420 In-Wall Loudspeaker System

    PCB using a powerful 100 MIPS Motorola DSP engine. Through this sophisticated audio computer the DSP420 receives all of the same high technology features that can be found throughout the Meridian DSP loudspeaker family. These include: FIFO memory buffer input for the lowest possible jitter.

  • Page 10: Power Amplifiers

    The DSP420 is enclosed in an acoustic back box and front baffle constructed from aluminium, which has low resonance at low The power supply includes a substantial torroidal transformer...
  • Page 11 Meridian-only system for playback only. Meridian Comms T he DSP420 In-Wall Loudspeaker System is part of the Meridian family of advanced digital, analogue, and video components, and these incorporate a sophisticated communications link, to...

  • Page 12: Sample Configurations

    DSP420 Meridian DVD Playe Meridian Surround Processor DSP420 loudspeakers can be used in conjunction with a A pair of DSP7000 loudspeakers, in conjunction with a Meridian Surround Processor to provide the two rear channels, DSP5500HC centre speaker, would provide excellent choices for...
  • Page 13 DSP420 DSP420 Meridian DVD Player T he DSP420 can be connected directly to almost any source Alternatively, the volume can be controlled with the Meridian that provides a PCM SPDIF output, including CD or DVD System Remote using the optional 512 Remote Eye.
  • Page 14 Other applications Other applications include: Main speaker in a Digital Music System with a Meridian CD Player (512 required). Main speakers with another source of digital audio; eg satellite (512 and MSR required). Second zone speaker in a Meridian two-room plus system (long M5 lead, 512, and MSR required).

  • Page 15: Specification And Accessories

    Noise and hum <-95dBr at all volume settings. Power 100-125; 200-250V AC 50-60Hz. 6VA idle; 200VA max. Acoustic output Typically >104dB spl @ 1m. Meridian Audio reserves the right to amend product Acoustic noise <15dB spl @ 1m. specifications at any time.

  • Page 16: Available Accessories

    Available accessories The DSP420 is shipped ready to be used as a speaker in a small Meridian Digital Theatre with a Meridian DVD Player (such as the 800 or 598) or a Meridian Digital Surround Controller (such as the 861, 568.2, or 561).

  • Page 18: Loudspeakers

    It also explains how to reset the configuration from the front panel. For information about installing and connecting up speakers please refer to the DSP420 Installation Instructions leaflet, supplied separately.

  • Page 19: Unpacking

    DSP420 speaker module. Grille assembly. Spare grille scrim. This user guide. DSP420 Installation Instructions leaflet. Six screw packs for speaker module. Meridian Comms interconnect lead. Configuration program. Grille removal tool. If any of these items is missing, please contact your dealer. We suggest that you retain the packaging carefully, as it provides maximum protection in transit.

  • Page 20: Resetting The Loudspeakers

    To reset the configuration of the digital loudspeaker The following procedure can be used to reset the configuration of the DSP420 loudspeaker to the default settings, without Channel selector needing a computer, using the reset switch accessible below the front panel.

  • Page 21: Indicator Lights

    Indicator lights The following table explains the function of the indicator lights on the front panel: Light State What it means Power supplied to speaker. Flashing Speaker is being reset, or speaker has overheated and has shut down. Green Speaker is locked to a digital input. Speaker is in standby.

  • Page 22: Using The Dsp420

    Meridian preamplifier or control unit all of the functions of the DSP420, including volume, tilt, and bass, are operated via the controller. For more information refer to the user guide for the preamplifier or control unit, and you can ignore this chapter.

  • Page 23: Selecting A Source

    Selecting a source When not playing, the digital loudspeakers should be left in the standby state. This ensures that the components of the loudspeakers operate at maximum efficiency from the moment you start. To select a source Press the appropriate source key on the remote; eg DVD. This will bring the digital loudspeakers out of standby.

  • Page 24: Adjusting The Volume

    Adjusting the volume The digital loudspeakers adjust the volume in precise steps of 1dB, where 9dB is equivalent to doubling the loudness, and can be varied in the range 1 to 99dB. When you first connect power to the digital loudspeakers the volume is set to 65, which is similar to the midway position of the rotary volume control on a conventional preamplifier.

  • Page 25: Adjusting The Balance Or Phase

    Adjusting the balance or phase To change the phase The balance control of the DSP420 In-Wall Loudspeaker System uses digital signal processing to compensate for an off-centre Press A on the remote. listening position by delaying and diminishing the sound in one speaker, thus effectively shifting the speaker’s image back.

  • Page 26: Computer

    Loudspeaker System you connect the master loudspeaker to a PC, and then use the Meridian Configuration program to set the configuration you want. This chapter explains how to install the Meridian Configuration program, and then how to use it create your own configuration of the DSP420.

  • Page 27: The Meridian Configuration Program

    The Meridian Configuration program is a stand-alone Windows- based application that lets you design your own configuration of the DSP420 Digital Loudspeaker System to suit your own To use the Meridian Configuration program you need: personal preferences and the particular configuration of ❍...

  • Page 28: Running The Meridian Configuration Program

    Running the Meridian Configuration program To run the Meridian Configuration Button Option Function program Creates a new settings file. ● Click Start, point at Programs, Meridian then click Product Open Opens an existing settings file. Configuration. Save Saves the current settings file to disk.
  • Page 29 To connect the serial cable configure The serial cable is symmetrical, and can be connected either You will only need to configure the DSP420 loudspeakers in your way round. system if one of them is the master speaker for the system, or if ●...

  • Page 30: Creating A New Settings File

    MSF1, and the Meridian window will show a Digital active information to identify the settings in your product. loudspeaker icon to identify the product you are configuring: If you are programming the DSP420 loudspeaker for the first time: ● Click the New button in the toolbar: If you are amending an existing configuration: ●...
  • Page 31 To display the settings To display or edit the settings ● ● Double-click the Digital active loudspeaker icon, to open it Double-click the Settings icon. and display the settings it contains. The Meridian window will change to show the two categories of The left-hand panel of the Meridian window will change to show settings contained in the settings file: Sources and Setup.

  • Page 32: Changing The Setup Options

    Changing the setup options The next stage in editing the settings is to configure the general The Position control adjusts the frequency response of the Setup options. speaker to compensate for a position close to a corner or high above the floor. To change the setup options ●...
  • Page 33 Choose Main if the DSP420 is in the main room, Secondary if the DSP420 is used in a second room, or None if the DSP420 is in the second or third room of a three-room system. Comms controller Specifies whether the DSP420 is...

  • Page 34: Setting Up Sources

    Setting up sources To configure the source options This section describes how to use the Meridian Configuration program to configure the sources provided by the digital active ● loudspeaker. Select the source in the list of sources. The settings for the source are shown in a panel to the right: To set up sources ●...
  • Page 35 The name used to identify each source is shown in the list of sources, followed by the Meridian System Remote key used to select the source in brackets. Advanced Specify the Advanced options as follows: ● Select Poor digital audio source if you have difficulty locking to the source.

  • Page 36: Completing The Configuration

    Completing the configuration The final stage in creating a settings file is to save it, and then If the download was successful the DSP420 will switch itself to store it to the speaker. standby. To save the current settings ●...

  • Page 38: Troubleshooting

    If you are still not able to resolve a difficulty with the help of this guide and the suggestions in the following pages, please contact your Meridian dealer or Meridian Audio Ltd.

  • Page 39: Troubleshooting

    This normally indicates that the DSP420 has overheated, and that it has shut down to cool down. If the DSP420 is cold, it may indicate a fault. This is normal as the speaker active electronics settle.
  • Page 40 If this equipment does cause or suffer from interference to/from Check that it is connected correctly. radio or television reception then the following measures should Turn off the DSP420 for a few seconds and turn back on, then be tried: retry.

  • Page 41: Service And Guarantee

    The guarantee is void if the DSP420 DSP In-Wall Loudspeaker In the unlikely event that your DSP420 fails to function correctly, System has been subject to misuse, accident, or negligence, or it should be returned, in its original packaging, to your Meridian has been tampered with or modified in any way without the dealer.

  • Page 42: Index

    20 Return to top level icon 24 introduction 1 volume 17 sample configurations Meridian 500 Series 2 DSP420 Digital Stereo System 6 communications 4 Meridian Digital Compact Meridian comms 4 Theatre™ 5 Meridian Configuration program 20 Save As (File menu) 23...

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