Perreaux SX25i User manual

Silhouette SX
25
i
25W Integrated Amplifier
Owners Manual

1
Perreaux Industries Limited makes no warranty for the use of its products, other
than those expressly contained in the warranty detailed herein. The Company
assumes no responsibility for any errors which may appear in this document,
reserves the ri ht to chan e products or specifications detailed herein at any time
without notice, and does not make any commitment to update the information
contained herein. No licenses to patents or other intellectual property of Perreaux
are ranted by the Company in connection with the sale of Perreaux products,
expressly or by implication.
mboob^ru
®
is a re istered trademark of Perreaux Industries Ltd.
Terms and product names in this document may be trademarks of others.

2
i
ii
i Introducing the
Perreaux Silhouette Series
Desi ned as a ran e of hi h quality, yet affordable modules; the
‘Silhouette’ series will compliment and enhance your existin
system.
Drawin on our extensive knowled e ained from more than a
quarter of a century of developin hi hest quality audio products,
the ‘Silhouette’ concentrates our le endary desi n and build
quality into a compact packa e without sacrificin performance.
The Perreaux ‘Silhouette’ series provides performance levels
never before seen in its class.
Key Features
 Class A si nal sta es
 Hi hest quality internal power supply featurin a custom
desi ned, fully shielded toroidal transformer and 13200µF
of smoothin capacitance
 Optimal internal layout incorporatin total separation
between channels
 Enhanced audio desi n featurin hi hest quality PCB and
minimal internal wirin
 Preout connections
 Hi h current drive
 Compact
 Stylish
The Perreaux “Silhouette” series takes you even closer to the
elusive goal of “The Perfect Re-Creation of a Musical
Event”.
From all of us at Perreaux Industries Limited, thank you for
choosin the Perreaux Silhouette Series SX25i Inte rated
Amplifier.

3
ii
iiii
ii Important Safety Instructions
Note:
Please read all instructions carefully before attempting to
operate your Perreaux “Silhouette” SX25i Integrated
mplifier.
ALWAYS switch off power to your system before attemptin to
connect or disconnect cables.
ALWAYS disconnect your system from the mains before
attemptin to clean your unit.
ALWAYS keep electrical equipment out of reach of children.
ALWAYS unplu sensitive electronic equipment durin
electrical storms.
NEVER disconnect the mains earth from the system.
NEVER operate the SX25i with the cover removed.
NEVER use any liquid inside the SX25i.
NEVER bypass any fuse.
NEVER attempt to repair the SX25i. In the event of a problem,
please contact your Perreaux dealer.
NEVER expose the SX25i to extremely hi h or low
temperatures.
NEVER operate this product in an explosive atmosphere.

4
iii
iiiiii
iii Table of Contents
i Introducing the Perreaux Silhouette Series ....................................
ii
iiii
ii Important Safety Instructions............................................................. 3
iii
iiiiii
iii Table of Contents .................................................................................. 4
1
11
1 Unpacking and Placement .................................................................. 5
Instant Install .......................................................................................... 6
3
33
3 Front Panel Functions .......................................................................... 8
4
44
4 Rear Panel Functions ............................................................................ 9
5
55
5 Special Design Philosophies..............................................................11
6
66
6 Special Design Features .....................................................................13
7
77
7 Care and Maintenance .......................................................................15
8
88
8 Warranty Information ........................................................................16
9
99
9 Extended Warranty Registration Form..........................................17
10
1010
10 Troubleshooting Guide ......................................................................18
11
1111
11 Specifications........................................................................................ 0
1
11
1 Physical Dimensions............................................................................ 3
13
1313
13 Contact Details ..................................................................................... 4

5
1
11
1 Unpacking and Placement
Unpacking
Procedure
The SX25i is packa ed for maximum protection. To open, sit the
box upri ht and cut the reinforced tape at the top of the box. The
product can now be removed.
Pull the foam protectin end-caps off either side of the unit and
remove the black material coverin .
The SX25i Inte rated amplifier is now unpacked and ready for
further installation.
Note:
Please retain all packaging material for future transport.
Box
Contents
1 x SX25i Inte rated amplifier
1 x Product manual
3 x Performance analysis charts
1 x Detachable AC power cord
Placing Your
SX 5i
The SX25i should enerally be placed close to your source
equipment, thus keepin interconnect cablin between the SX25i
and associated components as short as practical. This will reduce
the systems susceptibility to radio frequency interference and the
ne ative effects associated with lon cables.
Ventilation
Requirements
The SX25i is a convection cooled amplifier. For optimal
performance, the unit MUST receive adequate ventilation.
 Please do not cover the product with a cloth or similar.
 Please do not mount the SX25i directly onto carpeted
surfaces.
In the event that the SX25i is to be incorporated into custom
cabinetry, please refer to the dimensional information provided in
the Physical Dimensions section of the manual (Chapter 12).
Note:
Please take all necessary steps to ensure that the unit
receives adequate ventilation

6
2
22
2 Instant Install
If you are like us, the first thin you will want to do is to play
your favourite piece of music throu h your new SX25i. The
followin instructions are written to enable you to achieve this as
quickly as possible. These are not comprehensive instructions,
but are desi ned to enable you to play music now!
Note:
Please take the time to read the SX25i manual thoroughly
as it incorporates many features, which will enhance its
operation.
Placement
The SX25i is a convection cooled amplifier and best results will
be achieved when placed on a solid surface with adequate
ventilation. DO NOT place on a carpeted floor or cover the
amplifier!
Place the SX25i close or near the source component in order to
make as short a connection as possible.
Turn off associated components
This minimises the potential to dama e any other components
when connectin your SX25i into the system.
Connect source to SX 5i
Connect the audio output from the source component to the
inputs at the rear of the SX25i. Refer to Chapter 4 for Rear Panel
information.
Connect loud speaker cables to SX 5i
Connect your left and ri ht channel loudspeaker leads to the
bindin posts at the rear of the amplifier. Refer to Chapter 4 for
Rear Panel information.
Note:
Make sure the nominal impedance of the loudspeakers is
not lower than 2Ω.

7
Switch on SX 5i
Caution!
Prior to connecting the C mains, please check the voltage
label on the rear panel to ensure that your unit conforms to
the power supply in your area. Never attempt to connect
the unit to the incorrect voltage.
Insert the power cord supplied into the rear of the SX25i and into
the wall. Switch on the socket at the wall and turn on the power
of the SX25i by settin the power switch down.
Switch on source component
Power up your source component and start your favourite
recordin . Slowly increase the SX25i volume to achieve a
comfortable listenin level.
CONGRATULATIONS!
Now that you have achieved your first objective, sit back, relax
and please read the rest of the manual at your own pace in your
favourite armchair whilst sippin a hot cup of coffee. You’ll find
the whole experience much more pleasurable whilst listenin to
music.

8
3
33
3 ront Panel unctions
Power LED
This blue LED indicates the power status of your SX25i
inte rated amplifier.
Volume Control
The hi h-quality, machined aluminium knob is the sole user
interface, remindin the user at every touch of the superior build
quality desi ned into the SX25i. Volume control motion is
smooth and accurate, providin absolute control with near
infinite ain resolution.

9
4
44
4 Rear Panel unctions
Right and Left Speaker Binding Posts
Bindin posts are clearly marked and colour coded RED Positive
(+) and BLACK Ne ative (-). This polarity must be observed
when connectin loudspeakers, i.e. positive terminal of the
SX25i to the positive terminal of the loudspeaker and ne ative
terminal of the SX25i to the ne ative terminal of the
loudspeaker.
Caution!
Never connect the amplifier’s output terminals to any
device other than a loudspeaker.
Please do not short-circuit the amplifier’s output terminals.
Never connect the output of one amplifier to the output
terminals of another amplifier.
Do not over-tighten the binding posts on your amplifier.
Right and Left Line Inputs
Input from source component, accepts a standard unbalanced
(RCA) input. The left channel connection is on the ri ht when
lookin from the rear, indicated by white inner rin . For more
information on input specifications, please refer to Chapter 11.