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818 Reference Audio Core
User Guide

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Summary of Contents for Meridian Reference Audio Core 818

  • Page 1 818 Reference Audio Core User Guide...
  • Page 2 Preface Important safety instructions • Read the instructions. To avoid overheating • Keep these instructions. • Leave at least 10cm around the equipment to ensure • Follow all instructions. sufficient ventilation. • Do not use this apparatus near water. • Clean only with a dry cloth.
  • Page 3: Table Of Contents

    Adjusting the system volume Configuring the EBC settings Changing the treble, bass, or balance Muting the analogue relay Changing the axis or phase Installing the Meridian Configuration Application Adjusting the sensitivity of sources Index Changing the front-panel display Headphone mode...
  • Page 4 Sales and service in the UK MHR: this product incorporates copyright protection technology covered by certain patent applications Meridian Audio Ltd and intellectual property of Meridian Audio Ltd. This Latham Road technology is provided for the express purpose of Huntingdon...
  • Page 5: Introduction

    Introduction Introduction Welcome to the Meridian 818 Reference Audio Core. This User Guide provides full information about using the 818 in conjunction with your other equipment, to achieve the superb results you can expect from it.
  • Page 6: The 818 Reference Audio Core

    Audio processing popular 808 Signature Reference CD Player, the The 818 Reference Audio Core features high-quality Meridian 818 Reference Audio Core is a stereo audio audio processing. Analogue inputs are converted to controller with a wide range of digital and analogue digital at 96kHz sampling, and digital inputs accept inputs.
  • Page 7 Introduction The 818 Reference Audio Core is supplied with the MSR+ learning/programmable remote control, which not only operates all Meridian products but also includes an extensive database of third-party products and the capability to learn commands from existing remotes.
  • Page 8: Specifications

    One USB input, for connection to a computer. Up to 192kHz sampling and up to 24-bit precision. • All inputs provide renameable legends. Signal processing The 818 uses Meridian’s proprietary DSP software to provide the following powerful features: • Apodising filter. •...
  • Page 9: Using The 818 Reference Audio Core

    Using the 818 Reference Audio Core Using the 818 Reference Audio Core This chapter provides a summary of the functions of the 818 Reference Audio Core to identify the controls you use to operate the unit. It also provides step-by-step instructions for operating the 818, using either the front panel or the MSR+.
  • Page 10: Front Panel Keys

    Indicates inverted Changes a menu Displays the information parameter phase parameter setup menus displayed Phase- Source Volume + Reference Audio Core 818 Menu Setup Display Mute Volume – Reference Audio Core 818 Source Mute > = Play/Pause Mute Plays or pauses...
  • Page 11: Msr+ Keys

    MSR+ keys Using the 818 Reference Audio Core Previous Source keys Selects the Play Switches to Select a source previous track Plays the track standby Next Fast reverse Stop Selects the next Fast forward Scans backwards Stops the track track Scans forwards RADIO DISC...
  • Page 12: Switching On And Off

    Press Source (front panel), or select a source on • the remote. If the 818 is part of a Meridian system it will automatically switch on any other units in the system, such as the 861 Reference Digital Surround Controller and Meridian DSP Loudspeakers.
  • Page 13: Selecting A Source

    The input associated with each of the sources depends on the remote. on how the 818 has been set up; for more information refer to the Meridian Configuration Program Guide . • Select the 818 zone from the Sooloos controller.
  • Page 14: Adjusting The System Volume

    Using the 818 Adjusting the system volume Reference Audio Core The 818 Reference Audio Core provides a volume To restore the sound control which can be adjusted from the front panel or • Press Mute again. remote control. The volume changes in precise steps of 1dB, where 9dB is equivalent to doubling the loudness.
  • Page 15: Changing The Treble, Bass, Or Balance

    Changing the treble, bass, or balance Using the 818 Reference Audio Core The 818 Reference Audio Core provides sophisticated • Press A or V (remote or under the front panel) to treble and bass controls, to allow you to adjust the change the bass.
  • Page 16: Changing The Axis Or Phase

    Using the 818 Changing the axis or phase Reference Audio Core Larger models of the DSP loudspeakers have an axis The display will show the new phase setting. control that allows you to compensate for the height of the listener relative to the tweeter. Phase - For example: You can also change the absolute phase of the signal,...
  • Page 17: Adjusting The Sensitivity Of Sources

    Adjusting the sensitivity of sources Using the 818 Reference Audio Core This section explains how to use the input gain menu to set up the analogue sources connected to the 818. To adjust the sensitivity of a source To obtain the best signal-to-noise ratio for your analogue sources you can adjust the sensitivity of each input to give the highest level that does not produce clipping.
  • Page 18: Changing The Front-Panel Display

    Using the 818 Changing the front-panel display Reference Audio Core The 818 Reference Audio Core displays information If the Diagnostic displays option has been and settings on the 20-character front-panel display. selected, additional diagnostic displays are included; see Setup parameters , page 35. You can adjust the contrast and brightness of the front- panel display for optimum viewing, and choose what information is displayed.
  • Page 19: Headphone Mode

    For the silent mode when it is deselected. more information see To connect to a Meridian Prime Headphone Amplifier , page 31. This option is only available if your 818 Reference Audio Core is set up with fixed outputs.
  • Page 20 Using the 818 Reference Audio Core...
  • Page 21: Using The Speakerlink Controls

    Using the SpeakerLink controls The 818 Reference Audio Core allows you to control several other settings supported by recent Meridian DSP loudspeakers The controls described in this chapter are only available if your DSP loudspeakers are connected via SpeakerLink, the volume mode is Fixed, and SpeakerLink is set to On in the Setup menus;...
  • Page 22: Primary Speakerlink Controls

    Using the Primary SpeakerLink controls SpeakerLink controls The EBA (Enhanced Bass Alignment) control improves To specify Enhanced Boundary Control the bass alignment in DSP loudspeakers that support • Press < or > (remote or under the front panel) until it. Note that the extra processing adds a time delay, so the display shows the current EBC setting.
  • Page 23: Subwoofer Setup Controls

    Subwoofer setup controls Using the SpeakerLink controls If you have one or more subwoofers connected to To change the subwoofer gain your 818 Reference Audio Core via SpeakerLink, the • Press < or > (remote or under the front panel) until following controls allow you to adjust the relationship the display shows the current subwoofer gain.
  • Page 24 Using the SpeakerLink controls...
  • Page 25: Installing The 818 Reference Audio Core

    Installing the 818 Reference Audio Core Installing the 818 Reference Audio Core This chapter explains how to install the 818 Reference Audio Core. It describes what you should find when you unpack the product, and how you should connect it to the other equipment in the system. You should not make any connections to the product or to any other component in the system while the AC power supply is connected and switched on.
  • Page 26: Unpacking

    The following diagram gives details of the back panel • MSR+ remote control with batteries, manual, and connections: spare key caps. • Meridian Comms lead. • Power cord. • This manual. If any of these items are missing please contact your retailer.
  • Page 27 DVD player. SPEAKERLINK INPUT The SpeakerLink output of SL1 (Disc) a Meridian source, using a Meridian SpeakerLink lead. * In each case the odd-numbered input is the left channel and the even-numbered is the right channel.
  • Page 28: Applications

    Installing the 818 Applications Reference Audio Core To connect to a digital source (eg DVD player) 818 Reference Audio Core Digital source DIGITAL DIGITAL IN Digital coax lead You can connect up to two digital coax inputs and two digital optical inputs to the 818 Reference Audio Core. •...
  • Page 29 On a Mac, OS X 10.4 or later is recommended. work as expected, but for highest quality you should Appropriate drivers will be installed automatically when set it to maximum and use the Meridian volume control you connect for the first time. in the 818 instead.
  • Page 30 SpeakerLink lead SpeakerLink lead Configure the 818 as described in Configuring the The 818 can be connected directly to Meridian DSP • loudspeakers to create a complete stereo system, with 818 Reference Audio Core , page 33, or by using the volume and other preamplifier controls provided by the Meridian Configuration Application;...
  • Page 31 SpeakerLink lead SpeakerLink lead Configure the 818 as described in Configuring the The 818 can be connected directly to Meridian DSP • loudspeakers to create a complete stereo system, with 818 Reference Audio Core , page 33, or by using the volume and other preamplifier controls provided by the Meridian Configuration Application;...
  • Page 32 OUTPUT INPUTS INPUT OUTPUT INPUT OUTPUT S5 lead If your DSP loudspeakers do not provide Meridian • Configure the loudspeakers as described in the Meridian DSP Loudspeaker User Guide . SpeakerLink connections you can connect to them using the Digital and Meridian Comms connections.
  • Page 33 OUTPUT connections from the 818 to the inputs of the analogue active loudspeakers or power amplifier. • Configure the 818 as described in Configuring the 818 Reference Audio Core , page 33, or by using the Meridian Configuration Application; see Installing the Meridian Configuration Application , page 40.
  • Page 34 SPEAKERLINK SPEAKERLINK SpeakerLink lead You can use the 818’s SpeakerLink outputs to connect to other Meridian products, such as the 861 Reference Surround Controller. • Connect the SpeakerLink output from the 818 to the SpeakerLink input on the 861, using a SpeakerLink lead.
  • Page 35 Core to connect to a headphone amplifier, such as the Meridian Prime Headphone Amplifier. • Connect the Unbalanced Analogue output from the 818 to the Analogue Input on the Meridian prime Headphone Amplifier, using phono leads. Select Headphone Mode to mute the sound •...
  • Page 36 Installing the 818 Reference Audio Core To connect to other Meridian G Series or 800 Series equipment 818 Reference Audio Core G Series, 500 Series, or 800 Series unit MERIDIAN MERIDIAN COMMS COMMS Comms lead In a system of Meridian products, one of the products One unit will then be designated as the controller.
  • Page 37: Configuring The 818 Reference Audio Core

    MSR+. For complete control over all aspects of the 818’s configuration it is recommended that you use the Meridian Configuration Program; for more information see Installing the Meridian Configuration Application , page 40.
  • Page 38: Choosing A Standard Setting

    Press A or V on the front panel (or Volume + or • Type Label Description Volume + under the front panel) to change the Type Fixed Fixed output, for use with Meridian number. DSP loudspeakers. Variable Variable output, for use with power Typing, please wait. The display shows: amplifiers and analogue speakers.
  • Page 39: Setup Parameters

    Setup parameters Configuring the 818 Reference Audio Core To enter front panel setup mode IR Auto For example: • Put the 818 into standby by pressing Off (front panel To use the setup menus or remote). • Press and hold down Setup (under the front panel). •...
  • Page 40: Setting The Startup Volume

    Configuring the 818 Setting the startup volume Reference Audio Core When you switch the 818 from standby you can choose to set the volume to a fixed value, or to the last value it was set to. To set the startup volume •...
  • Page 41: Setting The Output Mode And Speakerlink Setting

    Setting the output mode and SpeakerLink setting Configuring the 818 Reference Audio Core The output mode determines whether the 818 provides To set the output mode the volume control for the analogue outputs. • Press < or > (under the front panel) until the display The SpeakerLink setting is only available if Output shows the current output setting.
  • Page 42: Configuring The Ebc Settings

    Configuring the 818 Configuring the EBC settings Reference Audio Core The EBC control uses information about the room dimensions to compensate for reflections from the walls and ceiling. These menus are only available when EBC Menus is set to Show. To set the measurement units •...
  • Page 43: Muting The Analogue Relay

    Muting the analogue relay Configuring the 818 Reference Audio Core The 818 Reference Audio Core includes relay control of the analogue outputs, to ensure a totally silent output. The relay is activated when you mute the sound, and to avoid clicks in the loudspeakers when changing source.
  • Page 44: Installing The Meridian Configuration Application

    An RS232 null-modem cable. • A mouse or similar pointing device – the application You can download an electronic copy of the Meridian cannot be operated solely from the keyboard. Configuration Program Guide in Acrobat format from The Meridian Configuration Application communicates our website: with the products you are setting up via a serial cable.
  • Page 45: Index

    Meridian Prime Headphone Amplifier, to an analogue source 24 connecting to 31 Headphone mode 15 to a power amplifier 29 Meridian System Remote keys 7 headphone mode 15 to DSP loudspeakers 26, 27, 28 Movie Mode, selecting 19 headphones, connecting 31...
  • Page 46 Index sources 9 adjusting sensitivity 13 network input 23 volume, adjusting 10 selecting 9 SpeakerLink connecting with 26, 27 optical inputs 23 inputs 23 output mode, specifying 37 outputs 23 outputs 23 SpeakerLink mode, setting 37 analogue 23 speaker location, specifying 18 balanced 23 specifications 4 digital 23...

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Reference audio core 818v3

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