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MERIDIAN
20S
USER
BoothroydIStuart Ltd
13
Clifton Road
Huntingdon
Cambs. PE18 7EJ
England
MANUAL
Tel (0) 480 52144
Telex 32577
Fax (0) 480 459934
(MERION)
BoothroydIStuart Ltd. Copyright (c)
1987.
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MERIDIAN
INSTRUCTION MANUAL
CONTENTS
1.
2.
3.
4.
5.
6.
7.
8.
9.
MONO
Unpacking
Accessories
Installation
Operation
Maintenance
Help
Service
Guarantee
Specifications
Unpacking
The 205 product is packed
check that the supply voltage matches that shown on the rear ot the product.
2 X 205 Amplifiers individually wrapped
2 X Power cords (European Type Specification)
or (USA and Canada Type Specification)
1 X Instruction manual
Signal Connection Cable
We
recommend cables of the highest quality to obtain the best performance from this product.
POWER AMPLIFIER
in
matched pairs. Serial Numbers may not be sequential but care should be taken to
is
lett to the discretion of your dealer depending upon the configuration of your system.
205
In
the pack you will find:
Part number
Part number
J 21953
J 21954
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2 Accessories
The 205 has been designed to operate with any preamplifierorcontrol unit but has been designed to match other
items in the Meridian 200 Series such
201
Remote control preamplifier
FM
204
207 Compact Disc player
Stereo Tuner
as
the following:
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3.1
3.2
3.3 Inside the front cover
3.4 The 205 generates heat during operation. It has been designed to lose the heat through the fins at the front of the
3.5
3.6 Having selected
3.7 Care should be taken
3.8 Loudspeaker terminal posts are gold-plated brass. Poiarisation
Installation
Do not attempt to connect the supply until you have checked that the unitislabelled with the correct voltage.
DO
NOT MAKE CONNECTIONSORINSERTORREMOVE PLUGS WHILE
SUPPLY AND SWITCHED ON.
is
a diagram of a typical installation. The design of the 205 allows it to be positioned
adjacent to the loudspeaker or less ideally, the preamplifier. .
DO
product. Airflow across these fins should not be restricted.
CONSTRICT
recommended to place any other
It
is unnecessary to gain accesstothe inside of the product case for installation.Nouser serviceable parts are
located inside.
quality, that is, connected direct to a
quality connectors
the base of the terminal, ensure that your loudspeakers are 'in phase'; for instance, when the red terminal on each
amplifier
AIR
FLOW
AROUND
an
appropriate location for the product, ensure that the power connections to the units are of good
in
selectinganappropriate quality cable for
is
justasimportant.Weadvise you to consult your dealer for the most suitabie cables.
is
connected to the positive loudspeaker output terminal on each loudspeaker.
IT.
Choose a position where the amplifierisnotindirect sunlight. Itisnot
hi-fi product on top of a power amplifier.
wall
supply and not through a string of interconnecting junction strips.
NOT
all
can
be checked with the redorblack ring around
THE
UNITISCONNECTEDTOTHE
PLACE
ANYTHINGONTOPOFTHE CASE
audio connections
and
proper contactbygood
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4
4.1
4.2 The benefit of the Music sensing circuit
4.3 The 205 does not have fuses to protect the loudspeaker but uses a power circuit beaker. Should a fault trigger this
5
5.1
5.2
Operation
The 205 contains a circuit which sensesanincoming signal. The presence of such a signal causes the light to
to
Red
change from Green (Stand-by condition)
If
usually show red.
on sound quality.
the need to touch
protection circuit, the black button will jump out rearwards and the light on the front of the amplifier will go out.
BEFORE ADEMPTING
. may be necessary to wait a couple of minutes before resetting the button. This protection may be triggered by a
number of reasons such
The use of this technique avoids the need to put a fuse
Maintenance
The case of the 205isfinishedinpowder coated epoxy. A wipe with a barely damp clothIsall
necessary to remove finger marks.
difficult marks methylated spirit may
and can be treated
To
ensure perfect connection itisgood practicetoremove
Always switch the system off before breaking any connections. No other maintenance should be required.
you get one of each colour this will be resolved when the music signal starts
is
it.
TO
REPRESS THE
as
inbuilt thermal protection,DCfault, inadvertent shorting of the cables, lightning etc.
ALWAYS
be
as
above.
usedasa degreasant. The front heatsinkisfinishedinblack anodised film
(Operation condition). When the unit is first turned on the lights
and
has no effect
that the 205, once set up, will give years of trouble free service without
BUDON,
SWITCH OFF
CHECK THAT THE CAUSEOFTHE
in
circuit with the output. Such fuses degrade signal quality.
THE
UNIT BEFORE USING A DAMP CLOTH. For more
and
reconnect
all
audio plugs
PROBLEMISKNOWN.
that should be
and
sockets annually.
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6
Help
6.1
7
In
the
event
thatnosounds
Is
the
Power
connectedtoboth
Has
oneorbothofthe
Have
you
connected
Check
another input
If
all
the
above
Service
There
arenouser serviceable
your dealer
BOOTHROYD
13
Clifton
Huntingdon
Cambridge
England
Products
in
caseofdifficulty.
ONLY
CAN
Road
outside
SEND
SPEED
who
STUART
PE18
PRODUCTSINTHE
ITS
canbeheard
units,isthe
units
been
triggered? Check
the
supply,
forasignal,
areinorder
has
the
informationtodeal
LTD
7EJ
theUKshouldbesenttothe
Owners
RETURN.
audio
signal
have
you
swap
over
one
parts
inside the 205.
are
responsible for their products during transittousorour
ORIGINAL
check the following:
light
on?
the
circuit
breaker.
and
loudspeakers?
connected
205
with
PACKING
the
preamplifier?
for
the
othertosee
Should
the problem.Ifin
distributor for the territory. A listisavailable
AND
if thereisa
the
unit
need
service,
further difficulty contact:
TRYTOINCLUDEANOTEOFTHE
channei
returnitin
fault.
from
agents.
the
original
the
PROBLEM.
above
packing
address
THIS
to
8
Guarantee
The
productisguaranteed
Th',s
guaranteeisvoidifthe
in
any
way
without our written authorisation. Attempted service
guarantee.
Labour
and
carriage
When
seeking service under
Outside
under contract
non-refundable
This
the
UK,
guarantee
to
does
against
charges
local
warrantyisrestrictedtoequipment
service under
charges
for
not limit
defectsinmaterial
product
workonour
has
been
are
not
covered
guaranteeitis
guarantee
your
products not suppliedbythem.
statutory rights within
equipment
and
subjectedtomisuse,
unlessbylocal
necessarytoproVide
workmanship for12months
agreement.
purchased
soldbythem.
the
UK.
territory.
from
Our
accidentornegligence,orhas
workbyunqualified people
dated
proofofpurchase.
within
the
They
are
entitledtomake
the
dateofpurchase.
been
may
resultinloss
agents
abroad
reasonable,
modified
of
are
only
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9
Specifications
Output
Input
Power
Input
Power
Consumption 5-200
Distortion
Noise
Protection
100W
into 8 ohms
170W
into 4ohm
OdBm
(775mV) over12kohms for
The
205ismanufacturedinthe following versions:
internal fuse
servicing
Less
Better
Full
electronic,DCand
VA
than
than
rating
and
0.1
% 20Hz-20kHz
90dB
CCIR
circuit breaker for
thermal protection
100W
at
all
powers upto100W
each
110, 110,
voltage
220,
band,
check replacement
typically less
240 volts
than
vaiue
0.01%at1kHz
when
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Switching
Size
(each)
Weight
electronic
100mmX160mm
4.00ins X 6.30ins X 13.78ins
5
Kgs
X 350mm HX W X D
music
sensing
fI:
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Power
switch
and
-=
Boothroyd Stuart
and
copyright
1987
Ltd
reserve
©
the
right to modify any product specification without notice. Product registered design
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