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Meridian G61R Installation Manual

Digital surround controller
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G61R Digital Surround Controller
Installation Guide

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Summary of Contents for Meridian G61R

  • Page 1 G61R Digital Surround Controller Installation Guide...

  • Page 2: Important Safety Instructions

    Important safety instructions P r e f a c e To avoid overheating • Read the instructions. • 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 3: Table Of Contents

    Contents C o n t e n t s Introduction DSP presets Provides information about the G61R digital surround Gives details of the DSP presets and their parameters, and controller, and technical specifications. describes how to modify them. Specifications...
  • Page 4 Designed and manufactured in the UK by Meridian Audio (US patents 5,043,970;5,189,703;5,222,059. European patent Ltd. Meridian Audio reserves the right to make changes and 0323830), Trifield Productions Ltd, and Nimbus Records Ltd. improvements to any of the products described in this document without prior notice.

  • Page 5: Introduction

    Meridian design philosophy, as well as superior performance. hearing. The G61R is thus a perfect processor for the very latest in As a result, the G61R can decode surround signals from all PCM digital audio.
  • Page 6 DSP mode of your choice. Meridian Room Correction The G61R incorporates Meridian Room Correction, a unique system that compensates for acoustic deficiencies in your listening room, particularly at the bass end. It achieves this by automatically...

  • Page 7: Specifications

    4 optical digital inputs. Analogue inputs 8 stereo unbalanced inputs; A1-A3 and A4-A6 can be used as two 6-channel unbalanced inputs. Digital outputs L+R, C+SUB, SIDE L+R, REAR L+R Meridian SpeakerLink outputs. Main L/R, Rear L/R, Centre/Sub, LZ/RZ * . Unbalanced analogue outputs Trigger outputs 3 12VDC/100mA trigger outputs configurable by source.
  • Page 8 I n t r o d u c t i o n...

  • Page 9: Installing The Digital Surround Controller

    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. Unpacking The G61R Digital Surround Controller is supplied with the following accessories: • MSR+ remote control with batteries, manual, and spare key caps.

  • Page 10: Audio Inputs

    Use this connector To connect to this MULTI DIGITAL INPUT 1 (DVD) or D1-D3, The multichannel digital output of a source such as the G96 DVD Transport, a Meridian MULTI DIGITAL INPUT 2 or D4-D6 HD621, or three digital sources.
  • Page 11 DIGITAL OUT COMMS COMMS LEAD DIGITAL LEAD You can connect up to 12 digital coax sources to the G61R Digital If the source is a Meridian product connect together the COMMS Surround Controller. sockets using the Comms lead provided. • Connect the digital source to one of the digital input sockets of the digital surround controller, using a 75Ω...
  • Page 12 USB A-B cable. The flat rectangular end plugs into the PC and the square end into the G61R. To connect to a Meridian Smart Source with digital multichannel outputs (eg HD621 HDMI Audio Processor) G61R Digital 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 source with analogue multichannel outputs (eg SACD player) SACD player G68 Digital Surround Controller DIG IN D8 DISC...

  • Page 14: Audio Outputs

    To connect to this L+R, C+SUB, SIDE L+R, REAR L+R Digital loudspeakers, using Meridian SpeakerLink leads or standard CAT5 network cables. Connect the master speaker to the appropriate socket on the lower row. Connect the slave speakers to the other sockets as shown in the following diagrams.
  • Page 15 • Connect the appropriate SpeakerLink output on the lower row and slaves, and Left, Right, Centre, Surround; see Meridian DSP of the G61R to the master digital speaker (typically the main left Loudspeaker User Guide for more details. speaker), using a Meridian SpeakerLink lead.
  • Page 16 • Connect the appropriate SpeakerLink output on the lower row Alternatively you can use standard CAT5 network cables instead of of the G61R to the master digital speaker (typically the main left SpeakerLink leads. speaker), using a Meridian SpeakerLink lead.
  • Page 17 To connect the G61R to power amplifiers or to analogue active and passive speakers powered by a Meridian G41 Analogue subwoofer...
  • Page 18 The Meridian SW1600 and SW5500 subwoofers provide both digital and analogue inputs, allowing you to connect them to either the digital or analogue subwoofer outputs of the G61R. The analogue connection must be used if you do not have a digital main speaker.

  • Page 19: Communications Connections

    Power & fuse Use this connector To connect to this DIN COMMS Other Meridian G Series, 500 Series, or 800 Series equipment, or Meridian DSP loudspeakers. BNC COMMS Other Meridian G Series equipment or some Meridian DSP loudspeakers. RS232 connection A computer, for configuring the digital surround controller.
  • Page 20 Auto Note: Do not, under any circumstances, connect any equipment other than Meridian G Series or 800 Series to any socket marked COMMS on the back of the product. One unit will then be designated as the controller, and display:...

  • Page 21: Configuring The Digital Surround Controller

    This chapter explains how to configure the digital surround controller using the Configuration Wizard. Alternatively, for complete control over all aspects of the product’s configuration you can set up the unit from a computer using the Meridian Configuration Program. For full information refer to the Meridian Configuration Program Guide available separately.

  • Page 22: 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 The digital surround controller provides several alternative standard •...
  • Page 23 LFE subwoofer is only active in multichannel presets. Mono and Centre Subwoofers are active in all presets. Note that any Types stored using the Meridian Configuration Program will also be available in this list; see the Meridian Configuration Program Guide for more information .

  • Page 24: 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 25 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 26: 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 27 High, Low, Last Valid Trigger outputs for the source. Comms Type: CD 1C, Tuner 2C, DVD 3C, Sooloos 4C, Set to NC unless the source is a Meridian or Sooloos product. 5C-8C, No Comms NC Comms Address: 1A-8A Allows you to have up to eight of each source type.

  • Page 28: 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 To change a setting The next stage allows you to configure other aspects of the product’s operation.
  • Page 29 Whether the soft keys revert to the home keys after a delay. Diagnostic displays: on, off Whether diagnostic displays are shown. Is the G61R IR Controller? Auto, Controller, Not Controller Whether the product is the infra-red controller for the system. Main System Address Advanced setting (normally 1).
  • Page 30 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 31: Calibrating The System

    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 G61R Digital Surround Controller includes a built-in calibration procedure. This calibration procedure uses test signals to present a series of sounds, which you use to adjust certain aspects of the system to their optimum settings.
  • Page 32 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 33: Calibration Tests

    75dB SPL using an SPL meter. Even if the speakers are not THX Left Right approved this setting is recommended. Side Side If you have Meridian DSP loudspeakers they cannot be set above +0dB. Left Rear Surround Sub Right Rear Note: You cannot set the level of a subwoofer by ear, because low-frequency noises sound quieter.
  • Page 34 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 example: layout.

  • Page 35: 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 subwoofers and large analogue speakers. Once set, the digital surround controller will limit the bass level to protect the speakers from potential damage.

  • Page 36: Using The Sine/Sub/Sens Controls

    Sinewave sweep test The bottom line of the display shows the Sine/Sub/Sens controls: The G61R includes a sinewave signal test, to help you set the subwoofer crossover frequencies, or check for room resonances. To avoid possible damage to the speakers the volume is reduced to 50 on entering the test.
  • Page 37 C a l i b r a t i n g t h e s y s t e m To change the volume The display shows: • Use the volume keys in the usual way. Sine 80.0Hz To change the input Chan óòô...

  • Page 38: 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 39: Dsp Presets

    Layout Description Music For music presets: two-channel (eg Trifield) and The G61R Digital Surround Controller provides two types of DSP multichannel (eg Discrete). preset. One set is available if the input is two-channel; eg from a Logic For two-channel movie presets: eg PLIIx Movie.

  • Page 40: Standard Parameters

    The delay of the sides. LipSync 0ms to 30ms The sync. delay. As defined Bypassed The Room Correction profile, or Bypassed for no room correction. *These parameters apply to all DSP presets. †Axis is only available with Meridian DSP loudspeakers.
  • Page 41 The G61R provides several signal processing options for two- channel material. The Music DSP presets are designed for use with The Music DSP preset is recommended for recordings made with...
  • Page 42 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 43 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 44 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 45 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 46 (such as Dolby Digital) or as discrete channels from a DVD Cinema. player. If you are using Meridian SmartLink then all formats will reach the G61R as discrete channels. With suitable loudspeakers The multichannel Music presets all use the Music speaker layout the G61R can upsample these to provide a more enjoyable and the multichannel Movie presets all use the 5.1 Movie speaker...
  • Page 47 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 48 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 49: Defining Your Own Presets

    Defining your own presets D S P p r e s e t s The G61R Digital Surround Controller allows you to modify any of Alternatively press V to choose the built-in preset you started the built-in presets, and save them for future use.
  • Page 50 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 51: Troubleshooting

    If the light still does not illuminate, check any fuses in your power • Observe all units responding correctly. supply and the fuse in the inlet of the G61R. If these are all intact, contact your dealer. In extreme cases, the memory of the G61R may have been corrupted.

  • Page 52: Audio Problems

    Auto Configure procedure; see To connect to other • If the G61R seems to be the cause of hum consult your dealer. Meridian G Series, 500 Series, or 800 Series equipment , page 16. • See if the G61R has been set up as Not Controller in the There is radio interference Configuration Menu;...
  • Page 53 For • If the centre is a Meridian digital speaker, check that it is comparison, analogue sources are likely to be of the order of: configured as left. If configured as right it will be receiving the subwoofer signal.
  • Page 54 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. • Select Force this source to be six-channel for the source. See...

  • Page 55: Maintenance

    • Disconnect the power cord before cleaning the unit. Before replacing a blown fuse, it is best to ascertain the cause of The exterior surfaces of Meridian G Series products are made from the failure. solid anodised aluminium, powder coated steel, thermoplastic rubber, and glass.

  • Page 56: Service And Guarantee

    In case of difficulty outside the UK or USA, contact the importing Outside the UK, local warranty liability is restricted to equipment agent for the territory. A list of Meridian agents outside the UK is purchased within the territory. Our agents outside the UK are only available from Meridian Audio.

  • Page 57: Index

    Index I n d e x cleaning 51 COMMS, connecting 16 Academy (DSP parameter) 41 communications connections 15 accessories 5 Compress (DSP parameter) 44 active loudspeakers, connecting to 13 compression 44 active subwoofer, connecting to 14 computer, connecting to 8 Ambisonics (DSP preset) 38, 44 configuration, resetting 18 analogue source, connecting 7...
  • Page 58 I n d e x DSP parameters (continued) DSP presets Channels 38 Ambisonics 38, 44 Compress 44 Cinema 42 Depth 36 clearing 46 Dimension 39 Direct 40 HS Output? 36 Discrete 42 Input 41 Mono 41 LFE 42 multichannel 42 LipSync 36 Music 37 Panorama 39...
  • Page 59 Roll (DSP parameter) 39, 41 room correction 2, 36 mains fuse, changing 51 Row (DSP parameter) 38 Meridian DSP loudspeakers, connecting to 11, 12 Mono (DSP preset) 41 Music (DSP preset) 37 MusicLogic (DSP preset) 39 SACD player, connecting to 9...
  • Page 60 I n d e x Sound Pressure Level meter 27 THX Surround EX (DSP preset) 43 sources THX Ultra2 Cinema (DSP preset) 43 options 23 Treble (DSP parameter) 36 sensitivity 34 Trifield (DSP preset) 37 setting up 34 troubleshooting 47 sources, configuring 22 2+2+2 (DSP parameters) 42 speaker layouts 35...

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