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Meridian G61 Installation Manual

Digital surround controller g series
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Summary of Contents for Meridian G61

  • Page 1 E R I D I A N E R I E S G 6 1 I G I T A L U R R O U N D O N T R O L L E R N S T A L L A T I O N U I D E...
  • Page 2 G61 Digital Surround Controller Installation Guide...

  • Page 3: Important Safety Instructions

    Important safety instructions P r e f a c e • Read the instructions. To avoid overheating • Keep these instructions. • Leave at least 10cm around the equipment to ensure sufficient • Follow all instructions. ventilation. • Do not use this apparatus near water. •...

  • Page 4: Table Of Contents

    i i i Contents C o n t e n t s Introduction DSP presets Provides information about the digital surround controller, Gives details of the DSP presets and their parameters, and and technical specifications. describes how to modify them. Specifications DSP presets Defining your own presets...
  • Page 5 Corporation. Lucasfilm, THX, and THX Cinema are registered of Meridian Audio Ltd. This technology is provided for the express trademarks of Lucasfilm Ltd. Surround EX is a jointly developed purpose of securely containing copyright audio within the technology of THX and Dolby Laboratories, Inc and is a trademark Meridian System only.

  • Page 6: Introduction

    I n t r o d u c t i o n Introduction This guide provides full information about unpacking the G61 Digital Surround Controller, connecting it to the other equipment in the system, and configuring it using the front panel. Once you have connected and configured the product, refer to the G Series System Guide for information about operating it.
  • Page 7 I n t r o d u c t i o n carrying explicit information about the nature of the datastream as well as encrypted high-resolution digital signals from DVD-Audio – the first system of its kind to be approved. Virtually all other manufacturers oblige you to go through an analogue connection, losing quality in the process.

  • Page 8: Specifications

    Specifications I n t r o d u c t i o n Digital coax inputs 6 coax digital inputs, 2 6-channel coax inputs, all MHR. Digital optical inputs 5 optical digital inputs. Analogue inputs 5 stereo unbalanced inputs; 1 6-channel unbalanced input. Digital outputs Main, Centre/Sub, Sides, Rears, A/B*.
  • Page 9 I n t r o d u c t i o n...

  • Page 10: Installing The Digital Surround Controller

    I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r Installing the digital surround controller This chapter explains how to install the digital surround controller.

  • Page 11: Audio Inputs

    I n s t a l l i n g t h e d i g i t a l s u r r o u n d Audio inputs c o n t r o l l e r Use this connector To connect to this MULTI DIGITAL INPUT 1 (DVD) or D1-D3,...
  • Page 12 I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r To connect to a digital source (eg G07 24-bit CD Player) You can connect up to 12 digital coax sources to the G61 Digital If the source is a Meridian product connect together the COMMS Surround Controller.
  • Page 13 I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r To connect to a DVD-Audio player with digital multichannel outputs (eg G98DH DVD Audio Transport) The G61 Digital Surround Controller provides 12 digital coax •...

  • Page 14: Audio Outputs

    I n s t a l l i n g t h e d i g i t a l s u r r o u n d Audio outputs c o n t r o l l e r Use this output To connect to this DIGITAL OUTPUT MAIN L/R, CENTRE/SUB,...
  • Page 15 I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r To connect the G61 to Meridian DSP loudspeakers •...
  • Page 16 I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r To connect the G61 to active unbalanced loudspeakers (eg Meridian M33s) PHONO LEAD PHONO LEAD •...
  • Page 17 I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r To connect an active subwoofer (eg Meridian M1500 or M2500) •...

  • Page 18: Communications Connections

    I n s t a l l i n g t h e d i g i t a l s u r r o u n d Communications connections c o n t r o l l e r Use this connector To connect to this DIN COMMS...
  • Page 19 I n s t a l l i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r To connect to other Meridian G Series, 500 Series, or 800 Series equipment In a system of Meridian products the products should be linked All the other units will be configured as non-controllers, and together in a chain, via the COMMS sockets, using the Comms...

  • Page 20: Configuring The Digital Surround Controller

    C o n f i g u r i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r Configuring the digital surround controller This chapter explains how to configure the digital surround controller using the Configuration Wizard.

  • Page 21: Stage 1: Resetting The Product

    C o n f i g u r i n g t h e d i g i t a l s u r r o u n d Stage 1: Resetting the product c o n t r o l l e r •...
  • Page 22 C o n f i g u r i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r Types The following table lists the available Types: Type Speakers...

  • Page 23: Stage 2: Configuring Speakers

    C o n f i g u r i n g t h e d i g i t a l s u r r o u n d Stage 2: Configuring speakers c o n t r o l l e r The Speakers configuration stage allows you to set up the digital The options are summarised in the table on the next page.
  • Page 24 C o n f i g u r i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r Speaker options The following table summarises the speaker options: Option Values...

  • Page 25: Stage 3: Configuring Sources

    C o n f i g u r i n g t h e d i g i t a l s u r r o u n d Stage 3: Configuring sources c o n t r o l l e r The digital surround controller provides up to 12 sources The display shows the first source and the first configuration option corresponding to the 12 source keys on the MSR+:...
  • Page 26 C o n f i g u r i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r Source options The following table summarises the source options: Option Values...

  • Page 27: Stage 4: Configuring Other Settings

    C o n f i g u r i n g t h e d i g i t a l s u r r o u n d Stage 4: Configuring other settings c o n t r o l l e r The next stage allows you to configure other aspects of the To change a setting •...
  • Page 28 C o n f i g u r i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r Settings The following table summarises the product settings: Option Values...
  • Page 29 C o n f i g u r i n g t h e d i g i t a l s u r r o u n d c o n t r o l l e r...

  • Page 30: Calibrating The System

    C a l i b r a t i n g t h e s y s t e m Calibrating the system To help you to set up the installation to give the best possible sound with any particular combination of associated equipment, the G61 Digital Surround Controller includes a built-in calibration procedure.
  • Page 31 C a l i b r a t i n g t h e s y s t e m To start the calibration procedure For more detailed information about this and the other calibration Either: tests see the following sections. •...

  • Page 32: Calibration Tests

    C a l i b r a t i n g Calibration tests t h e s y s t e m • When you have completed the Levels section press > to proceed Levels to the next test. These tests allow you to adjust the output level to each speaker individually, and it follows the general guidelines from Dolby Distance Laboratories and THX.
  • Page 33 C a l i b r a t i n g t h e s y s t e m • Use > and < to move between each of the speakers in the The next display shows the distance for the same speaker. For layout.

  • Page 34: Speaker Size

    C a l i b r a t i n g Speaker size t h e s y s t e m These tests allow you to determine the bass handling capability of large analogue speakers and subwoofers. Once set, the digital surround controller will limit the bass level to protect the speakers from potential damage.

  • Page 35: Using The Sine/Sub/Sens Controls

    C a l i b r a t i n g Using the Sine/Sub/Sens controls t h e s y s t e m This section explains how to use the Sine/Sub/Sens controls • Press Xovr- or Xovr+ to decrease or increase the crossover to check for room resonances, adjust the subwoofer crossover frequency.
  • Page 36 C a l i b r a t i n g t h e s y s t e m The display shows: To change the volume • Use the volume keys in the usual way. Sine 80.0Hz To change the input Chan óòô...

  • Page 37: Setting Up Sources

    C a l i b r a t i n g t h e s y s t e m Setting up sources The display shows, for example: This section explains how to use the Sine/Sub/Sens controls to 2.0V Clip -0 adjust the sensitivity of the analogue sources.

  • Page 38: Dsp Presets

    D S P p r e s e t s DSP presets This chapter gives details of the DSP presets and their parameters, and describes how to modify them. DSP presets Layout Description Music For music presets: two-channel (eg Trifield) and The G61 Digital Surround Controller provides two types of DSP multichannel (eg Discrete).

  • Page 39: Standard Parameters

    D S P p r e s e t s Standard parameters All DSP presets (except Mono and Direct) provide the following standard parameters. Individual DSP presets provide additional parameters, to allow you to adjust specific features provided by that preset. For full details refer to information about each preset later in this chapter.
  • Page 40 D S P p r e s e t s DSP presets for two-channel material for the fact that the frequency response of human hearing changes with direction. The G61 provides several signal processing options for two-channel material. The Music DSP presets are designed for use with music The Music DSP preset is recommended for recordings made with from sources such as CD, radio, or two channel DVD-A: spaced omnidirectional microphones, or using a mono-surround...
  • Page 41 D S P p r e s e t s Ambisonics The fundamental difference between Ambisonics surround sound The Ambisonics DSP preset can decode UHJ format, the two- and conventional stereo is that the signals from all the speakers channel stereo-compatible encoding found on Ambisonically- combine to produce a coherent soundfield at the listening position, recorded discs and broadcasts.
  • Page 42 D S P p r e s e t s MusicLogic MusicLogic is a music DSP preset based on Pro Logic II with the addition of user-adjustable steering, designed to provide an exciting experience with many types of studio-produced music. MusicLogic DSP preset parameters Parameter Options...
  • Page 43 D S P p r e s e t s Stereo and Direct stability compared with the original Pro Logic decoding. Meridian’s The Stereo preset passes the left and right input signals directly to implementation of Pro Logic IIx uses proprietary code based on 48- the left and right main speakers.
  • Page 44 D S P p r e s e t s TV Logic TV Logic is a Logic preset based on Pro Logic IIx with the addition of user-adjustable steering, designed to give higher intelligibility and a more appropriate spatial presentation for studio-based TV material.
  • Page 45 D S P p r e s e t s DSP presets for multichannel material There are five multichannel Movie presets: Multichannel audio signals can come from either encoded data • Cinema, PLIIx Mov6, THX, THX Surround EX, and THX Ultra2 streams (such as Dolby Digital) or as discrete channels from a DVD Cinema.
  • Page 46 D S P p r e s e t s As with the PLIIx THX DSP preset, THX re-equalises the signals to suit domestic listening conditions, and applies frequency-response correction and decorrelation to the surround channels to make the surround sound more realistic. It can be used whether or not your other equipment is THX approved.
  • Page 47 D S P p r e s e t s Ambisonics The Ambisonics preset allows you to decode multi-channel sources which have been encoded in Ambisonics B format. Ambisonics B format contains four independent channels of information to give a three-axis representation of the sound at the recording position.

  • Page 48: Defining Your Own Presets

    Defining your own presets D S P p r e s e t s Alternatively press V to choose the built-in preset you started The G61 Digital Surround Controller allows you to modify any of the built-in presets, and save them for future use. with.
  • Page 49 D S P p r e s e t s For example, you could change the name to: Write label Concert for preset ìî ïñ óòô öõú Store • When you have entered the name you want to use press Store. The display shows: Stored ìî...

  • Page 50: Troubleshooting

    Tr o u b l e s h o o t i n g Troubleshooting We expect you to achieve superb results with your digital surround controller. If, however, you encounter any problems, either when installing and configuring it, or during operation, please check the following pages for suggested solutions.

  • Page 51: Audio Problems

    Tr o u b l e s h o o t i n g Remote not working Audio problems Check the following: Hum on analogue input • Check the source equipment. Disconnect each source in turn. • The battery in the MSR+. •...
  • Page 52 Tr o u b l e s h o o t i n g Audible hiss at high volume settings Sound not clear The input dynamic range of most current recordings is at maximum • If speech sounds muffled in a system with a centre speaker, 16 bit.
  • Page 53 Tr o u b l e s h o o t i n g The preset changes unexpectedly with a multichannel source If you are using a non-Meridian source on the MHR SmartLink input, proprietary data may cause preset switching. •...

  • Page 54: Maintenance

    Maintenance Tr o u b l e s h o o t i n g Cleaning To change the mains fuse • Remove the mains connector, and pull out the drawer above the To clean the case, display panel, and keypad power input to access the fuse.

  • Page 55: Service And Guarantee

    In the unlikely event that your product fails to function correctly, in any way without the written authorisation of Meridian Audio it should be returned, in its original packaging, to your Meridian Limited.

  • Page 56: Index

    Index I n d e x compression 42 Compress (DSP parameter) 42 Academy (DSP parameter) 39 configuration, resetting 16 accessories 5 Configuration Wizard 15 active loudspeakers, connecting to 11 configuring active subwoofer, connecting to 12 settings 22 Ambisonics (DSP preset) 36, 42 sources 20 analogue source, connecting 7 connections...
  • Page 57 I n d e x DSP parameters (continued) DSP presets (continued) LipSync 34 PLIIx Music 37 Panorama 37 PLIIx THX 38 Party? 39 standard parameters 34 Phase 34 Stereo 38 Pro Logic 38 Super 36 Rear 34 THX 41 Roll 37, 39 THX Music 41 Row 36 THX Surround EX 41...
  • Page 58 I n d e x mains fuse, changing 49 safety warnings ii Meridian DSP loudspeakers, connecting to 10 settings 23 Mono (DSP preset) 39 configuring 22 MusicLogic (DSP preset) 37 Sides (DSP parameter) 34 Music (DSP preset) 35 Sine/Sub/Sens controls 30 Sine/Sub/ Sens menu, sources 32 sinewave sweep test 30 Sound Pressure Level meter 25...
  • Page 59 I n d e x THX (DSP preset) 40, 41 UHJ format 36 THX Music (DSP preset) 41 user-defined presets 43 THX Surround EX (DSP preset) 41 clearing 44 THX Ultra2 Cinema (DSP preset) 41 editing name 43 Treble (DSP parameter) 34 Trifield (DSP preset) 35 troubleshooting 45 Width (DSP parameter) 35, 36, 37...

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