Meridian 556 Manual de usuario
Meridian 556 Stereo Power Amplifier
user guide
Preface
ii
Sales and service in the UK
Meridian Audio Ltd
Stonehill
Stukeley Meadows
Cambs
PE18 6ED
England
Tel (01480) 52144
Fax (01480) 459934
Sales and service in the USA
Meridian America Inc
3800 Camp Creek Parkway
Building 2400
Suite 112
Atlanta
GA 30331
Tel (404) 344 7111
Fax (404) 346 7111
Designed and
manufactured in the UK by
Digital Gramophone and Wireless Ltd
Stonehill
Stukeley Meadows
Cambs
PE18 6ED
England
Copyright © 1993–1997 Digital
Gramophone and Wireless Ltd
Part no: 556/1
This guide was produced by
Human-Computer Interface Ltd,
Cambridge, England.
iii
Preface
Contents
Introduction 1
Introduces the 556 Stereo Power
Amplifier, and provides an overview of the
other products available in the Meridian
500 Series.
The Meridian 500 Series ........................ 2
Sample configurations ........................... 3
Specification and accessories ............... 6
Setting up the stereo
power amplifier 7
Describes how to unpack, install, and use
the stereo power amplifier, and explains
what you should do if your amplifier
requires servicing.
Unpacking.............................................. 8
Connecting the stereo power
amplifier ................................................. 9
Troubleshooting ..................................... 12
Maintenance .......................................... 13
Service and guarantee ........................... 14
Index ...................................................... 15
Preface
iv
Introduction
In choosing the 556 Stereo Power Amplifier you have acquired a
component that combines major advances in audio and engineering
design.
The 556 Stereo Power Amplifier uses a unique feedback topology and
precision local error correction system. It is designed and constructed in
dual mono format, including a massive twin wound toroidal transformer,
and the unit has full thermal, load, and DC protection.
This guide is designed to enable you to obtain the best possible results
from the unit in conjunction with the other units in your system.
2
Introduction
The Meridian 500 Series
The Meridian 500 Series is a unique system of digital, analogue,
and video components designed to meet the demand for
absolute quality, ease of use, and lasting value.
The flexibility of the Meridian 500 Series is such that you can
assemble a system as simple or as complex as you need,
perfectly suited to your musical and environmental requirements,
and with the ability to add to it or change it at a later date should
your requirements change. The 500 Series is also compatible
with the existing Meridian 200 Series and 600 Series
components, and the new 800 Series.
Each Meridian 500 Series component is housed in a matching
slim line case. Front panel controls provide access to the most
important functions, and the full range of functions is available
from the Meridian System Handset using a simple and intuitive
control interface.
500 Series communications
The Meridian 500 Series includes a sophisticated
communications link, to ensure that any configuration of units
will work together as a fully integrated system.
The 500 Series communications system allows you to control
any combination of units using a single handset, and ensures
that your commands from the handset are interpreted
unambiguously. It also allows all the units to be switched off
from the front panel of any unit in the system.
Professional features
The 500 Series also provides features for professional users,
including RS232 computer control, and balanced connections.
The following pages give examples of four suggested
configurations to illustrate the flexibility of the Meridian 500
Series.
Introduction
3
Sample configurations
500 Compact Disc Transport
504
500
562
DSP5000DSP5000
A500
504
506 501
556
A500
506 20-Bit CD Player
The 506 20-Bit CD Player is an integrated CD transport and
converter, providing both digital and analogue outputs.
The 506 20-Bit CD Player is ideally suited for use with the
Meridian 556 Stereo Power Amplifier and A500 Loudspeakers,
with control over the volume and source selection provided by
the 501 Control Unit. The 504 Stereo FM Tuner is an ideal
addition to the system if radio reception is required.
The 500 Compact Disc Transport provides a precision digital
output, and can drive Meridian DSP5000 Digital Loudspeakers
directly.
A 562 Digital Controller can be added to cater for conventional
analogue sources, such as the 504 Stereo FM Tuner, and
provide source selection between up to 12 different analogue or
digital sources.
4
Introduction
566 20-Bit Digital to Analogue
Converter 502 Analogue Controller
A500
566
500
557
A500
502
The digital output provided by the 500 Compact Disc Transport
can be decoded by the 566 20-Bit Digital to Analogue Converter
to provide a high-quality audio output for use with a
conventional audio preamplifier. The 566 20-Bit Digital to
Analogue Converter can also decode digital signals from other
sources, including LaserDisc players and Digital Audio Tape.
The 502 Analogue Controller is a full function preamplifier for use
with any analogue source, and includes balanced inputs to allow
you to take advantage of balanced sources, including the 566
20-Bit Digital to Analogue Converter. It provides balanced
outputs which are ideal for use with the 557 Stereo Power
Amplifier.
Introduction
5
562V Multimedia Controller
LaserDisc
Video recorder
500 562V
Television
504
Satellite
DSP6000 DSP6000
The 562V Multimedia Controller is the ideal control unit for use
with the Meridian DSP6000 Digital Loudspeakers.
It provides direct digital inputs for digital sources, such as the
500 Compact Disc Transport and LaserDisc sound, together
with precision Delta Sigma Analogue to Digital Conversion, for
conventional analogue sources such as the 504 Stereo FM
Tuner and video sound.
It also includes video switching for CVBS and S-VHS signals,
such as from a satellite receiver, LaserDisc player, or video
recorder.
6
Introduction
Specification and accessories
Specification
Input 1.6V RMS.
Output (stereo) Greater than 100W per channel into 8Ω.
Greater than 170W per channel into 4Ω.
Distortion Less than 0.1%.
Noise Less than -100dB.
Finish Black textured enamel and glass.
Heatsinks black painted aluminium.
Dimensions 88mm x 400mm x 320mm
(3.45" x 15.7" x 12.6").
Weight 12kg (26 lbs).
Consumption 30VA quiescent, 650VA max.
Meridian Audio reserves the right to amend product
specifications at any time.
Available accessories
The following accessories are available from your dealer:
❍Power cord Europe.
❍Power cord Canada and USA.
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