Meridian G01 User manual

MERIDIAN G S ERIES C ONTROL U NIT
AND R ECEIVER
INSTALLATION G UIDE

G Series Control Unit and Receiver
Installation Guide

Preface
ii
Important safety instructions
• Read the instructions.
• Keep these instructions.
• Follow all instructions.
• Do not use this apparatus near water.
• Clean only with a dry cloth.
• Install only in accordance with the manufacturer’s instructions.
• Refer all servicing to approved service personnel.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE
Safety warnings
• Do not expose the product to dripping or splashing.
• Do not place any object filled with liquid, such as a vase, on the
product.
• Do not place naked flame sources, such as lighted candles, on the
product.
To avoid interference
Do not position the product:
• Near strong magnetic radiation, such as near a power amplifier.
• Near to a television, or where connecting cables may be subject
to or cause interference.
To avoid overheating
• Leave at least 10cm around the equipment to ensure sufficient
ventilation.
Do not position the product:
• In direct sunlight.
• Near heat sources, such as a radiator.
• Directly on top of heat producing equipment, such as a power
amplifier.
• On a soft surface, such as a carpet, which would obstruct the
ventilation holes in the base.
The product normally runs warm to the touch.
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. These limits are intended
to provide reasonable protection against such interference in home
installations.
EEC: This product has been designed and type-tested to comply
with the limits set out in EN55013 and EN55020.

Contents
iii
Contents
Introduction 1
Provides information about the available control unit
and receiver models, a description of each product, and
technical specifications.
Control unit and receiver models 1
Specifications 4
Installing the control unit or receiver 5
Describes how to install the control unit or receiver and
connect it to the other equipment in your system.
Unpacking 5
Audio connections 6
Tuner (G01/G51 only) and
communications connections 13
Configuring the control unit
or receiver 17
Explains how to configure the control unit or receiver
using the front-panel controls.
Configuration Wizard 17
Stage 1: Resetting the product 18
Stage 2: Configuring sources 19
Stage 3: Configuring other settings 21
Configuring the sensitivity of each source 23
Troubleshooting 25
Provides suggested solutions to problems while installing,
configuring, or operating the product.
Maintenance 28
Service and guarantee 29
Index 31

Preface
iv
Copyright and acknowledgements
Sales and service in the UK
Meridian Audio Ltd
Latham Road
Huntingdon
Cambridgeshire
PE29 6YE
England
Tel [phone]
Fax [phone]
Sales and service in the USA
Meridian America Inc
8055 Troon Circle
Suite C
Austell
GA30168-7849
USA
Tel [phone]
Fax [phone]
World Wide Web – http://www.meridian-audio.com/
Copyright © 2003-2004 Meridian Audio Ltd
Designed and manufactured in the UK by Meridian Audio
Ltd. Meridian Audio reserves the right to make changes and
improvements to any of the products described in this document
without prior notice.
Boothroyd|Stuart Meridian, Meridian, and Meridian Digital Theatre
are registered trademarks of Meridian Audio Ltd.
This guide was produced by Human-Computer Interface Ltd,
http://www.interface.co.uk/
Part no: GCU/2

Introduction
1
Product Preamplifier Power amplifier Tuner
G01 Stereo No Yes
G02 Dual mono/balanced No No
G51 Stereo 100W stereo Yes
Introduction
This guide provides full information about unpacking the control unit or receiver, 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.
Control unit and receiver
models
This Installation Guide applies to the G01 Control Unit, G02
Balanced Control Unit, and G51 Receiver. The main differences
between each of these products are given in the following table:

Introduction
2
G01 Control Unit
The Meridian G01 is a fully-integrated analogue control unit which
includes a tuner module. It is an ideal complement to the G Series
power amplifiers.
Incorporating both a preamplifier and controller, the G01 Control
Unit provides seven stereo analogue inputs plus an AM/FM or
DAB/FM tuner. The AM option provides LW/MW reception, and
the FM stage provides VHF stereo band II reception with RDS. The
inputs are nominally designated Aux (phono), CD, TV, Tape, Disc,
DVD, and VCR.
Two sets of stereo tape outputs are provided, along with
two preamp output pairs, allowing maximum flexibility in the
configuration of tape/decoder loops, multi-room, and amplification/
bi-amplification. In addition to the main outputs, a stereo
headphone socket is provided on the back panel for personal
listening.
G02 Balanced Control Unit
The Meridian G02 is a true dual-mono analogue control unit/
preamplifier with an extremely high-quality power supply for
ultra-low noise and distortion. Featuring a fully-balanced signal
path throughout, it is an ideal complement to the G Series power
amplifiers and is particularly suited to those who wish to maintain
a balanced analogue signal path at the very highest quality of
reproduction.
Balanced operation has always been preferred in the professional
audio industry, as it can significantly reduce hum and noise and
make the system less prone to interference. The G02 brings this
philosophy to the G Series. Incorporating both a preamplifier and
controller, the G02 Balanced Control Unit provides seven two-
channel analogue inputs. Four of these – nominally designated
Aux (phono), Radio, TV, and VCR – are unbalanced, while the
remaining three – CD, Tape, and Disc – offer balanced inputs on
XLR connectors.
The internal architecture of the G02 is balanced throughout, and
the first thing that happens to an unbalanced input is electronic
balancing for maximum quality throughout the signal chain.
Two sets of unbalanced stereo tape outputs are included on the
back panel, allowing maximum flexibility in the configuration of
tape/decoder loops and multi-room capabilities. The outputs can be
configured as a single balanced output by using a suitable break-
out cable.
Two sets of main outputs are provided: the primary outputs are
balanced on XLR male connectors, while unbalanced outputs are
also included on phono connectors.
G51 Receiver
Incorporating a preamplifier, controller, and a power amplifier that
features a unique low-feedback topology and extremely low output
impedance, the G51 Receiver provides seven stereo analogue
inputs plus an AM/FM or DAB/FM tuner. The AM option provides

Introduction
3
LW/MW reception, and the FM stage provides VHF stereo band
II reception with RDS. The inputs are nominally designated Aux
(phono), CD, TV, Tape, Disc, DVD, and VCR.
Two sets of stereo tape outputs are provided, along with two
preamp out pairs, one of which is normally jumpered to the
adjacent power amplifier input sockets. This allows, for example, a
bi-amped configuration with an additional two-channel amplifier
such as the G56.
The two-channel amplifier includes the latest power amp
developments from Meridian, used in the flagship DSP8000 digital
loudspeaker systems.
The amplifiers feature active bias control throughout, with thermal
sensing that carefully manages the temperature and current flow at
different volume levels. Fully DC-coupled, the signal path contains
no unnecessary capacitors, while those in the power supplies are
audiophile grade components.
The amplifiers are of a unique low-feedback design for minimum
transient and interface intermodulation distortion, offering superb
clarity and transparency right across the audible range, with an
output impedance that is close to zero and delivers a solid 100W
continuous mean power per channel into 8Ωsuitable for virtually
any high-quality passive loudspeaker system.
The amplifier, when in standby mode, maintains a standing
voltage on the power rails, reducing the time taken for optimum
performance to be delivered after power-up from tens of minutes
to a few seconds.
Two sets of outputs per channel are provided on sturdy binding
posts colour-coded for easy reference. The output terminals are
connected to the amplifiers by Van den Hul silver-strand cable to
minimise signal loss.
In addition to the main outputs, a stereo headphone socket is
provided on the back panel for personal listening, in conjunction
with a ‘speaker off’ facility.
General
Each of the products provides a front-panel volume knob (press
to mute), which activates a specially-designed dual differentially-
balanced volume control circuit. This ensures perfect stereo tracking
and full frequency range performance at all volume levels.
In all products the sensitivity of each input can be individually
adjusted as desired.
The Aux input can be configured for either moving coil or moving
magnet cartridge operation by the addition of appropriate phono
modules.
All phono connectors are gold plated for maximum transparency.

Introduction
4
G51 G01 G02
Distortion Less than 0.002%. Less than 0.002%. Less than 0.002%.
Signal/Noise Better than –96dB (2V output) for
normal inputs.
Better than –70dB for MM input,
–60dB for MC input.
Better than –96dB (2V output) for
normal inputs.
Better than –70dB for MM input,
–60dB for MC input.
Better than –100dB (2V output) for
normal inputs.
Better than –70dB for MM input,
–60dB for MC input.
MM option Sensitivity adjustable 0.5–3mV for 5cm/s @ 1kHz. Overload point 47mV @ 1kHz. Cartridge load 47kΩ+ 100pF.
MC option Sensitivity adjustable 38–1200µV for 5cm/s @ 1kHz. Cartridge load 220Ω+ 10nF.
Inputs 7 unbalanced phono inputs,
0.5-2.5V RMS, 4 sensitivity settings,
impedance 20kΩ.
7 unbalanced phono inputs,
0.5-2.5V RMS, 4 sensitivity settings,
impedance 20kΩ.
4 unbalanced phono inputs,
3 balanced XLR, 0.5-2.5V RMS
per output, 4 sensitivity settings,
impedance 20kΩ.
Outputs 2 outputs 100W per channel into
8Ω, 160W per channel into 4Ω.
Volume control 99 steps of 1dB.
2 unbalanced phono outputs,
0–3V RMS maximum. Impedance
47Ω.
1 unbalanced, phono outputs,
0–3V RMS. 1 balanced XLR output,
0–6V RMS. Impedance 47Ω.
Tape outputs 2 unbalanced outputs 1.5V RMS,
impedance 470Ω.
2 unbalanced outputs 1.5V RMS,
impedance 470Ω.
2 unbalanced outputs 1.5V RMS,
impedance 470Ω.
Headphone 2V RMS maximum output. 2V RMS maximum output. None.
Tuner DAB: Band III and L Band.
AM: Long/Medium wave, 150-285/525-1605kHz.
FM: VHF Band II, 87.5-108MHz, sensitivity 1.5µv.
None.
Trigger output 12VDC. 12VDC. 8VDC.
Comms 2 5-pin 240° DIN sockets, BNC socket, RS232 interface.
Construction Meridian black or silver finish. Meridian black or silver finish. Meridian black or silver finish.
Dimensions 440mm x 90mm x 350mm (17.32" x 3.54" x 13.78") WHD.
Weight 13kg (29lbs) approx. 8.5kg (19lbs) approx. 8.5kg (19lbs) approx.
Controls Front-panel soft keys include control of Source, Copy, Mute, Display, etc. Power button, volume control. Full remote
control of all features via MSR+.
Display Multi-character dot-matrix Vacuum Fluorescent Display.
Specifications

Installing the
control unit or
receiver
5
Installing the control unit or receiver
Unpacking
The G01 Control Unit, G02 Balanced Control Unit, and G51
Receiver are supplied with the following accessories:
• MSR+ remote control with batteries, manual, and spare key caps.
• Meridian Comms lead.
• Pre-Power jumpers preinstalled (G51 only).
• Power cord.
• This manual.
•
Meridian G Series System Guide .
Models fitted with an AM/FM tuner also include the following:
• AM antenna (G01 and G51).
• FM antenna (G01 and G51).
• 2 FM antenna (Belling-Lee) adaptors (G01 and G51).
Models fitted with a DAB/FM tuner also include the following:
• Telescopic DAB antenna.
If any of these items are missing please contact your dealer.
Note: You should retain the packaging in case you need to
transport the unit.
This chapter explains how to install the control unit or receiver. 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.

G01 Control Unit
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Use this connector To connect to this
ANALOGUE IN A1 to A7 The analogue outputs of a DVD player, tape recorder, TV tuner, CD player, or similar source.
COPY OUT The analogue inputs of a tape recorder or second-zone system.
PRE OUT The analogue inputs of a power amplifier or analogue active loudspeakers.
HEADPHONE Headphones of between 8Ωand 15Ωfitted with a stereo ¼" jack plug.
Installing the
control unit or
receiver
6
Audio connections

G02 Balanced Control Unit
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ANALOGUE IN A1 to A4 The unbalanced analogue outputs of a source such as a radio tuner, VCR, or TV tuner.
ANALOGUE IN A5 to A7 The balanced analogue outputs of a source such as a CD player.
COPY OUT The analogue inputs of a tape recorder or second-zone system.
MAIN OUT The balanced or unbalanced inputs of a power amplifier or analogue active loudspeakers.
Installing the
control unit or
receiver
7

MAINTENANCE
RS232 USB
MERIDIAN COMMS ANALOGUE INPUT
ANALOGUE INPUT
L
R
A7
A7
VCR1
VCR1
A6
A6
DVD
DVD
A5
A5
DISC
DISC
A4
A4
TAP E
TAPE
A3
A3
TV
TV
A2
A2
CD
CD
A1
A1
AUX
AUX
L
R
PRE OUTAMP IN
AMP IN
COPY OUT
ANTENNA
ANTENNA
AM
AM
FM
FM
GND
GND
HEADPHONE
LEFT
LEFTRIGHTRIGHT
TECHNICAL
GROUND
ON OFF
CAUTION REPLACE WITH SAME TYPE FUSE T6.3A for 100 - 120V T3.15A for 220 - 240V POWER INPUT ~50-60Hz 30 - 400VA MAX
G51 RECEIVER
DESIGNED AND MADE IN ENGLAND BY
MERIDIAN AUDIO LTD
DESIGN AND COPYRIGHT 2003
TESTEDVOLTAGE
SERIAL NUMBER
MM MC
IR IN
IR IN
TRIGGER
+12V
100mA
Preamplifier outputs
Right speaker outputs
Power amplifier input
Headphone output
Left speaker outputs
Analogue inputs
Copy outputs
Use this connector To connect to this
ANALOGUE IN A1 to A7 The analogue outputs of a source such as a tape recorder, TV tuner, or CD player.
COPY OUT The analogue inputs of a tape recorder or second-zone system.
PRE OUT The power amplifier input, and an optional additional power amplifier.
AMP IN The PRE OUT using the jumpers fitted.
HEADPHONE Headphones of between 8Ωand 15Ωfitted with a stereo ¼" jack plug.
Loudspeaker outputs Loudspeakers of 2Ωto 16Ω.
Installing the
control unit or
receiver
8
G51 Receiver
The G51 Receiver integrates a preamplifier and power amplifier,
and it provides preamplifier outputs and power amplifier inputs to
allow these stages to be used independently, or together using the
jumpers provided.

To connect to an analogue source (eg G07 24-bit CD Player)
ANALOGUE OUT
COMMS COMMS
PHONO LEADS
COMMS LEAD
G01/G51G07 24-bit CD Player
ANALOGUE IN
A2
To connect the G02 to a source with balanced outputs (eg G08 24-bit Upsampling CD Player)
G08 24-bit Upsampling CD Player
BALANCED
OUTPUTS
XLR LEADS
COMMS
COMMS LEAD
G02 Balanced Control Unit
BALANCED
INPUT A5
COMMS
Installing the
control unit or
receiver
9
You can connect up to seven analogue sources to the G Series
control unit or receiver.
• Connect the analogue source to one of the analogue input
sockets using a pair of phono leads.
• If the source is a Meridian product connect together the COMMS
sockets using the Comms lead provided.
• Connect the BALANCED outputs from the G08 to the A5 (CD)
balanced input on the G02, using XLR leads.
• If the source is a Meridian product connect together the COMMS
sockets using the Comms lead provided.

To connect to a turntable
OUTPUT
PHONO LEADS
G01/G02/G51Turntable
ANALOGUE IN
A1 AUX TECHNICAL
GROUND
To connect to a tape recorder
Analogue tape recorder
MONITOR
OUT
RECORD
IN
PHONO LEADS
PHONO LEADS
G01/G02/G51
ANALOGUE IN
A4/A6
COPY OUT
Installing the
control unit or
receiver
10
The A1 (AUX) input can be fitted with a moving coil or moving
magnet input stage. Contact your dealer for details.
• Connect the cartridge output to the A1 AUX input.
• Connect the turntable ground connection to the TECHNICAL
GROUND terminal, to avoid hum
• Connect one pair of COPY OUT sockets from the G01/G02/G51
to the analogue record input on the tape recorder using a pair of
phono leads.
• Connect the analogue monitor output from the tape recorder to
the A4 TAPE input on the G01/G51 or input A6 on the G02 using
a pair of phono leads.

Installing the
control unit or
receiver
11
To connect a second-zone system
COMMS LEAD
G68
COMMS
PHONO LEADS
G01/G02/G51
ANALOGUE IN
A4 TAPE
COMMS
COPY/ZONE OUT
The G01, G02, or G51 makes an ideal controller for a second zone.
You can connect it to the COPY or ZONE OUT of the controller in
the main room to allow you to copy a source from the main room
to the second zone.
• Connect one pair of COPY or ZONE OUT sockets from the
controller in the main room (eg G01, G02, or G68) to the A4
TAPE inputs on the second-zone controller.
• Connect the COMMS sockets using the Comms lead provided.
• Configure the control unit or receiver in the second zone to
the Type setting for a second zone; see
Stage 1: Resetting the
product
, page 18.
For more information see the
Meridian Three Room Plus guide at
www.meridian-audio.com.
To connect the G01 to an unbalanced power amplifier or active analogue loudspeakers (eg Meridian M33s)
M33 M33
AUDIO LEADAUDIO LEAD
G01
PRE OUT
• Connect the PRE OUT sockets from the G01 to the inputs of a
power amplifier, or to active analogue loudspeakers such as the
Meridian M33s.

Installing the
control unit or
receiver
12
To connect the G02 to a balanced power amplifier (eg Meridian G56 or G57 Two-channel Power Amplifier)
G02 Balanced Control Unit
XLR LEAD
XLR LEAD
BALANCED
MAIN OUT
G56/G57 Two-channel Power Amplifier
OFF
• Connect the BALANCED MAIN OUT sockets from the G02 to the
balanced inputs of the power amplifier.
To connect the G51 to loudspeakers
The G51 Receiver provides two pairs of outputs for each channel
so you can bi-wire separately to the bass/mid and treble drivers in
each speaker, for higher quality.
Alternatively, a single pair of loudspeaker cables can be used for
each channel.
To bi-wire the G51 to loudspeakers
,OUDSPEAKER
4REBLE
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• Connect one pair of + and – terminals from the right-channel
outputs of the G51 to the treble input of the right loudspeaker,
checking the orientation of the + and – connections carefully.
• Connect the other pair of + and – terminals from the right-
channel outputs of the G51 to the bass/mid inputs of the right
loudspeaker.
• Connect the left channel to the left loudspeaker in the same way.

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4RIGGEROUTPUT
23CONNECTION
0OWERANDFUSE
!-TUNERAERIAL
&-OR$!"&-TUNERAERIAL
-ERIDIAN".##OMMSCONNECTION
-ERIDIAN$).#OMMSCONNECTIONS
)NFRAREDREPEATERINPUT
53"CONNECTION
Use this connection To connect to this
DIN COMMS Other Meridian G Series, 500 Series, or 800 Series equipment, or Meridian DSP loudspeakers.
BNC COMMS Future Meridian components.
RS232 connection A computer, for configuring the control unit or receiver.
USB connection A computer, in future applications.
IR IN A G12 IR Receiver, or approved alternative infra-red repeater. Contact your dealer for details.
ANTENNA FM, AM, or DAB/FM FM and AM or DAB/FM antennae (not applicable to G02 version).
TRIGGER OUTPUT Other equipment, via a mono 3.5mm jack output (centre pin hot) that provides 12VDC (8VDC on G02).
It is always low in standby. By default it is high for all sources, so can be used to bring a G56 or G57
Two-channel Power Amplifier out of standby. Alternatively you can program it to be high for specific
sources; eg to control a projection screen.
Installing the
control unit or
receiver
13
Tuner (G01/G51 only) and communications connections

To connect to other Meridian G Series, 500 Series, or 800 Series equipment
COMMS
COMMS LEAD COMMS LEAD
G Series, 500 Series, or 800 Series unit
COMMS
G01/G02/G51
In a system of Meridian products the products should be linked
together in a chain, via the COMMS sockets, using the Comms
leads supplied with each product. The sequence in which you
connect the units is not important.
One of the products acts as the controller for the system, receiving
infra-red commands from the MSR+, and then, if appropriate,
relaying them to the other products via the Comms link. The
following procedure should be used to set up the Comms correctly
between several products:
• Switch all the units to standby.
• Press Clear (MSR+).
Each unit will display:
Auto
One unit will then be designated as the controller, and display:
Con.
All the other units will be configured as non-controllers, and
display:
Not Con.
The system is now ready for use.
If the automatic setup does not work, first make sure you are
operating the MSR+ from a position where all the units can receive
the infra-red, and try again. Then:
• Check that none of the units have been configured to be IR
Controller; see
Other settings , page 22. Either all products should
be set to Auto, or one should be configured as Controller and the
others as Not Controller.
Note: Do not, under any circumstances, connect any equipment
other than Meridian G Series, 500 Series, or 800 Series to any
socket marked COMMS on the back of the product.
Installing the
control unit or
receiver
14

• Connect an FM antenna or split-flex dipole to the FM Coax
connector, if necessary using the adaptor provided.
In the UK use a female Belling-Lee (VCR) connector.
Although the FM tuner is very sensitive, the FM antenna is supplied
for basic installation only, and for best performance and lowest
noise use a high-quality antenna placed as high as possible and
oriented towards the transmitter.
Note: For all outdoor antennae we strongly recommend you use a
qualified installer who will comply with local safety regulations.
• Connect an AM antenna to the AM connector by pressing
the tabs and inserting a bare wire into each hole. The ground
connection (black on the supplied AM antenna) should be
connected to the socket marked GND.
The product is supplied with an indoor loop antenna. This is
directional, and for best results you will need to orient it, and this
may be station dependent.
• Place the antenna as far away from other electrical equipment
and as high as possible.
For best AM results use an external AM antenna.
Note: For AM you must fit a good ground as well as an antenna.
The tuner can be used with most proprietary indoor AM, FM, or
combi (AM/FM) antennae. It is possible in some cases to use a
trigger output from the product to power such devices. For more
details, look at the Library/Applications sections of the Meridian
web site at www.meridian-audio.com/lib-apps.htm.
To connect FM and AM antennae (products fitted with AM/FM tuner)
''
!-&-
Installing the
control unit or
receiver
15