Meridian DSP750 User Manual
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Meridian DSP750 User Manual

In-wall digital active loudspeaker
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DSP
IN WALL DIGITAL
ACTIVE LOUDSPEAKER
USER GUIDE

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Summary of Contents for Meridian DSP750

  • Page 1 IN WALL DIGITAL ACTIVE LOUDSPEAKER USER GUIDE...

  • Page 2: Important Safety Instructions

    In-wall Digital Active Loudspeaker User Guide Important safety instructions • Read the instructions. Safety warnings • Keep these instructions. WARNING! • Follow all instructions. RISK OF ELECTRIC SHOCK – DO NOT OPEN • Do not use this apparatus near water. ATTENTION! •...
  • Page 3 In-wall Digital Active Loudspeaker User Guide Climate Radio interference The equipment has been designed for use in moderate climates FCC Warning: This equipment generates and can radiate and in domestic situations. 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.
  • Page 4 Cambridgeshire, PE29 6YE, England. Tel ( Product registration Email info@meridian.co.uk Register your DSP750 In-wall Digital Active Loudpeaker at: www.meridian-audio.com/register Designed and manufactured in the UK Meridian Audio Ltd, Latham Road, Huntingdon, Cambridgeshire, PE29 6YE, England. Meridian Audio reserves the right to make changes and improvements to any of the products described in this document without prior notice.

  • Page 5: Table Of Contents

    In-wall Digital Active Loudspeaker User Guide Contents Introduction Specifications Installing the DSP750 In-wall Digital Active Loudspeaker Front and back panel Setting up the DSP750 In-wall Digital Active Loudspeaker Configuring the loudspeaker using the IR eye RS232 control and configuration RS232 commands...

  • Page 6: Introduction

    Class-M DSP engine 100W into 8 Ohms. With a frequency response from 30Hz to 40kHz and an output of up to 120dB at 1m, the DSP750 Phase-linear DSP crossovers with text-book performance ensure delivers incredible power, fidelity and accuracy for both the drive-units remain in phase with each other across their music and movies.
  • Page 7 Centre Elevation Meridian’s Centre Elevation technology which is based on psychoacoustic research raises the perceived image location from an under-screen loudspeaker so that it appears to come from the centre of the screen.
  • Page 8 In-wall Digital Active Loudspeaker User Guide Construction Controlling the loudspeaker The DSP750 is designed to have an elegant profile, with only The loudspeaker can be controlled in three ways: 102mm installation depth. • In most installations, the loudspeaker will be controlled by It is made up of a narrow, self-contained, all-metal enclosure another Meridian product within the system.

  • Page 9: Specifications

    In-wall Digital Active Loudspeaker User Guide Specifications Audio input Front panel • • 1 x Meridian SpeakerLink connector (RJ45). Switch selects Right, L+R, or Left or Centre. • IR window. Audio output • LED indicators show power status and configuration settings.

  • Page 10: Installing The Dsp750 In-Wall Digital Active Loudspeaker

    In-wall Digital Active Loudspeaker User Guide Installing the DSP Loudspeaker The loudspeaker is designed to be fitted in a Meridian wall box 1. Prepare for installation type RF600. If necessary, refer to the RF600 Wall Box Installation • The mounting frame is fitted to the wall-box prior to fitting the Instructions: loudspeaker.
  • Page 11 In-wall Digital Active Loudspeaker User Guide Clamping screws (M5 x 25mm) 3. Fit the mounting frame • Slide the mounting frame into the wall box. • Clamp the frame to the wall with the M5 x 25mm button-head clamping screws (12 pieces). Tighten just enough to clamp the frame to the wall.
  • Page 12 In-wall Digital Active Loudspeaker User Guide 4. Lock the frame into place Once the frame is tight against the wall: • Lock into place with M5 x 10mm button-head lock screws (8 pieces). • Lock tight. Lock screws (M5 x 10mm)
  • Page 13 In-wall Digital Active Loudspeaker User Guide Guide-in screws (M5 x 20mm) uide screws 5. Fit the loudspeaker (M5 x 20) • Using the grab handle, sit the loudspeaker on the lower edge of the wall box. • Plug in the RJ45 cable(s) and AC supply. •...
  • Page 14 In-wall Digital Active Loudspeaker User Guide 6. Fit grille • Carefully hold the grille with your fingers at the top, • Locate the lower edge of the grille at the bottom edge of the mounting frame for alignment. • Lay the grille gently down onto the magnets, which will hold it in place.

  • Page 15: Front And Back Panel

    The SpeakerLink output of a Meridian Channel selector Specifies the loudspeaker’s role in the controller or another loudspeaker when system. See Setting up the DSP750 connecting in a daisy-chain. Loudspeaker , page 12. SpeakerLink output The SpeakerLink input of another RS232 socket Allows you to configure the loudspeaker.
  • Page 16 In-wall Digital Active Loudspeaker User Guide Status indicators Status Description Steady blue Loudspeaker in standby. Steady white Loudspeaker operating. For an explanation of the configuration status indicators see Configuring the loudspeaker using the IR eye , page 14.

  • Page 17: Setting Up The Dsp750 In-Wall Digital Active Loudspeaker

    In-wall Digital Active Loudspeaker User Guide Setting up the DSP Loudspeaker This section explains how to set up the loudspeaker in each of • Choose between Off (lowest), Minimum, Medium, or the typical applications. Maximum (highest). The ideal setting will depend on the layout of the loudspeaker and screen.
  • Page 18 Centre mode activated in order to make Centre Elevation relative to the distance between the screen and the listening available. This can be done using a Meridian System Remote as position. described in Configuring the loudspeaker using the IR eye , page 14, or via RS232 as described in RS232 control and configuration , page 15.

  • Page 19: Configuring The Loudspeaker Using The Ir Eye

    Configuring the loudspeaker using the IR eye Some settings can be changed by sending commands from a Key and status Description Meridian System Remote (not supplied) directed at the IR eye while powering-up the loudspeaker. The status of the setting is Next key IR eye on.

  • Page 20: Rs232 Control And Configuration

    In-wall Digital Active Loudspeaker User Guide control and configuration For the full list of RS232 commands for DSP loudspeakers see Centre Elevation RS232 commands , page 17. This covers non-volatile settings The RS232 commands to adjust Centre Elevation are as follows: relating to installation options as well as standard control commands to be used by third-party control systems.
  • Page 21 The socket accepts the longer version of the three-way, 3.5mm (1/8 inch) minijack plug, eg Schurter part no. 4802.1300: An RJ45 to RS232 cable, terminated in a female DB9 plug, is available from authorised Meridian dealers: Meridian part number SK1622. Where loudspeakers are daisy-chained, access to the...

  • Page 22: Rs232 Commands

    In-wall Digital Active Loudspeaker User Guide commands RS232 is one of several interfaces carried by the Meridian Non-volatile configuration and reset Speakerlink RJ45/Cat5 connection. The Meridian Distributor and Some of the RS232 commands described in this document the Meridian AC12 make this interface available on a standard produce non-volatile (lasting) configuration changes in the DSP RS232 connector.
  • Page 23 In-wall Digital Active Loudspeaker User Guide Loudspeaker control commands These commands are used for everyday control of a pair loudspeakers such as by a control system connected to the master loudspeaker through a Meridian Distributor. Command Type Code Parameters Meaning...
  • Page 24 In-wall Digital Active Loudspeaker User Guide Command Type Code Parameters Meaning Function Example Response Volume number Go to volume number Volume 65 Volume None Volume plus Increase volume Volume 66 None Volume minus Decrease volume Volume 64 ±##.# Treble number Go to treble number Treble + 6.0 Audio Effects...
  • Page 25 In-wall Digital Active Loudspeaker User Guide Source control commands These commands allow control of a Meridian source connected to the master loudspeaker. No response is given on RS232. Code Meaning/Function Play Stop Pause Repeat Next Previous Fast forward Fast back...
  • Page 26 In-wall Digital Active Loudspeaker User Guide The settings made are non-volatile (ie they remain when the Configuration loudspeaker is powered down). These settings can override These commands affect only the connected loudspeaker. They commands from a SpeakerLink controller, so they should configure features of the loudspeaker that would otherwise be be used with caution.
  • Page 27 In-wall Digital Active Loudspeaker User Guide Command Type Code Parameters Meaning Example Response SL, ON, OFF Enhanced Bass Alignment (EBA) NV EBA On Audio Effects SL, OFF, MIN, MED, MAX Enhanced Boundary Control (EBC) NV EBC Med Room Height in cm for EBC NV EBA Room Height 210cm SL, OFF, MIN, MED, MAX Centre Elevation...
  • Page 28 EBC setting is not SL. The range is 150 to 400cm in 1cm steps. Code Meaning Response 6. Centre mode applies only to Meridian DSP520.2, DSP640.2 Infra-red receiver status IR on/IR off and DSP750 Centre mode status A text description of the status...

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