Silhouette SXP2
Passive Preamplifier
Owners Manual
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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 right to change 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 granted by the Company in connection with the sale of Perreaux products,
expressly or by implication.
mboob^ru® is a registered trademark of Perreaux Industries Ltd.
Terms and product names in this document may be trademarks of others.
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i
Introducing the
Perreaux Silhouette Series
Designed as a range of high quality, yet affordable modules; the
‘Silhouette’ series will compliment and enhance your existing
system.
Drawing on our extensive knowledge gained from more than a
quarter of a century of developing highest quality audio products,
the ‘Silhouette’ concentrates our legendary design and build
quality into a compact package without sacrificing performance.
The Perreaux ‘Silhouette’ series provides performance levels
never before seen in its class.
Key Features
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Reference quality ALPS potentiometer
Optimal PCB and ground plane layout for increased
channel separation and crosstalk performance
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Highest quality fibreglass PCB with minimal internal
wiring
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Dual preamplifier outputs
Line-out connections
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
choosing the Perreaux Silhouette Series SXP2 Passive
Preamplifier.
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ii
Important Safety Instructions
Note:
Please read all instructions carefully before attempting to
operate your Perreaux “Silhouette” SXP2 Passive
Preamplifier.
ALWAYS switch off power to your system before attempting to
connect or disconnect cables.
ALWAYS disconnect your system from the mains before
attempting to clean your unit.
ALWAYS keep electrical equipment out of reach of children.
ALWAYS unplug sensitive electronic equipment during
electrical storms.
NEVER disconnect the mains earth from the system.
NEVER operate the SXP2 with the cover removed.
NEVER use any liquid inside the SXP2.
NEVER attempt to repair the SXP2. In the event of a problem,
please contact your Perreaux dealer.
NEVER expose the SXP2 to extremely high or low temperatures.
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iii
Table of Contents
i
Introducing the Perreaux Silhouette Series .................................... 2
Important Safety Instructions............................................................. 3
Table of Contents .................................................................................. 4
Unpacking and Placement .................................................................. 5
Instant Install.......................................................................................... 6
Front Panel Functions .......................................................................... 8
Rear Panel Functions ............................................................................ 9
Special Design Philosophies..............................................................10
Special Design Features .....................................................................12
Care and Maintenance .......................................................................14
Warranty Information ........................................................................15
Extended Warranty Registration Form..........................................16
Troubleshooting Guide......................................................................17
Specifications........................................................................................18
Physical Dimensions............................................................................20
Contact Details.....................................................................................21
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5
6
7
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10
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12
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1
Unpacking and Placement
Unpacking The SXP2 is packaged for maximum protection. To open, sit the
Procedure box upright and cut the reinforced tape at the top of the box. The
product can now be removed.
Pull the foam protecting end-caps off either side of the unit and
remove the black material covering.
The SXP2 Passive Preamplifier is now unpacked and ready for
further installation.
Note:
Please retain all packaging material for future transport.
Box 1 x SXP2 Passive Preamplifier
Contents 1 x Product manual
3 x Performance analysis charts
Placing Your The SXP2 should generally be placed close to your source
SXP2 equipment, thus keeping interconnect cabling between the SXP2
and associated components as short as practical. This will reduce
the systems susceptibility to radio frequency interference and the
negative effects associated with long cables.
Ventilation The SXP2 is
a
passive electronic device.
Ventilation
Requirements requirements are not considered an important factor in product
placement.
In the event that the SXP2 is to be incorporated into custom
cabinetry, please refer to the dimensional information provided in
the Physical Dimensions section of the manual (Chapter 12).
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2
Instant Install
If you are like us, the first thing you will want to do is to play
your favourite piece of music through your new SXP2 Passive
Preamplifier. The following instructions are written to enable
you to achieve this as quickly as possible. These are not
comprehensive instructions, but are designed to enable you to
play music now!
Note:
Please take the time to read the SXP2 manual thoroughly
as it incorporates many features, which will enhance its
operation.
Placement
The SXP2 is a sensitive passive electronic device and best results
will be achieved when placed away from potential interference
from other components and electrical devices, for example AC
mains cords/outlets, transformers, high power amplifiers,
computers, etc.
Place the SXP2 close or near the source or input component in
order to make as short a connection as possible.
Turn off associated components
This minimises the potential to damage any other components
when connecting your SXP2 into the system.
Connect source to SXP2
Connect the audio output from the source component to the input
of your SXP2 Passive Preamplifier. Refer to Chapter 4 for Rear
Panel information.
Connect SXP2 to power amplifier
Connect the audio output from your SXP2 Passive Preamplifier
to the input of the power amplifier. Refer to Chapter 4 for Rear
Panel information.
Switch on power amplifier
Turn on your power amplifier.
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Switch on source component
Power up your source component and start your favourite
recording.
Turn it up
Slowly increase the SXP2 volume to achieve a comfortable
listening 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 sipping a glass of wine. You’ll find the
whole experience much more pleasurable whilst listening to
music.
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3
Front Panel Functions
Volume Control
The high-quality, machined aluminium knob reminds the user at
every touch of the superior build quality designed into the SXP2.
Volume control motion is smooth and accurate, providing
absolute control with near infinite gain resolution.
Input Selector
Select one of the three source inputs via the input selector switch.
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4
Rear Panel Functions
Source Inputs
Accepts a standard single-ended input (RCA) from source
components with single-ended analogue outputs. These high
quality gold plated sockets are highly conductive, corrosion
resistant, and provide less potential for corrosion induced
distortion.
Refer to Chapter 13 “Specifications”, for detail on input
impedance.
Line Level Outputs
This single-ended (RCA) output will provide a line level audio
signal, suitable for recording, from the selected source input.
Also useful for bypassing the preamplifier, for example to a
headphone amplifier.
Preamplifier Outputs
These single-ended (RCA) outputs are commonly referred to as
“Preouts”. They provide the audio signal required to drive the
connected power amplifier(s).
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5
Special Design Philosophies
Perreaux has been designing and manufacturing only the highest
quality audio componentry for more than a quarter of a century.
Technology has continued to evolve rapidly over that time and
our knowledge and application of design, materials and
manufacturing techniques has advanced in tandem with this.
Today’s Perreaux range comes closer to fulfilling our shared
vision than at any other time in the past.
The SXP2 has been developed to meet customer demands for
compact higher quality products. Careful attention has been
taken throughout the development phase, not to make
compromises that would degrade the high quality of reproduction
that the unit is capable of delivering.
To follow is a discussion on some of Perreaux design
philosophies that have been incorporated into the entire range.
Minimalist Leading British architect, John Pawson, writes:
Design
“The Minimum can be defined as the perfection
that an object achieves when it is no longer
possible to improve it by subtraction. This is the
quality that an object has when every component,
every detail, and every junction has been reduced
or condensed to the essentials. It is the result of
the omission of the inessentials”.
Perreaux has historically embraced the minimalist ethic from an
audio design perspective only. The concept of “less equating to
more” has been at the heart of all Perreaux audio designs for
more than a quarter of a century. Our current product offering
takes the minimalist ethic to new levels by totally embracing the
concept.
Minimalist Electronics
We wish to maximise the quality of your listening pleasure by
keeping the componentry and signal path as uncluttered, short
and clean possible. All components in the signal path, even those
of the highest quality have an effect on the signal, thereby
altering the quality of the reproduction in some way. Our aim is
to recreate in its entirety, the original performance by not adding
or subtracting anything, irrespective of the source.
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Minimalist Aesthetics
Our products appeal to those who seek the ultimate in audio
exclusivity, namely the perfect blend of “form and function”.
“Form and function” are both tough masters. We make no
excuses for producing some of the most distinctive high-end
audio products on the planet. We let “form and function” blend
together in perfect harmony. This surely is the essence of true
minimalist utilisation.
Minimalism in a Wider Context
John Pawson writes:
“Clearly simplicity has dimensions to it that go
beyond the purely aesthetic: it can be seen as the
reflection of some innate, inner quality, or the
pursuit of philosophical or literary insight into the
nature of harmony, reason, and truth”.
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6
Special Design Features
Construction The SXP2 is stylish and unobtrusive. The front panel is made
from high quality solid 6.0mm (0.2”) thick aluminium extrusion
featuring our trademark machined Perreaux logo and large
volume control knob. These are finished in durable and stylish
satin chrome finish electroplate. The chassis and cover are both
manufactured from heavy gauge steel. No cover fixing screws
are visible. These minimalist styling cues combine seamlessly to
allow form and function to blend in harmony and are typical
hallmarks of the Perreaux brand.
Circuit
Topology
Compact At 216mm (8.5”) wide x 58mm (2.3”) high x 172mm (6.8”) deep
the SXP2 is extremely compact.
Signal Special attention has been paid to ground planes to maintain
Ground
sonic purity. All signal grounding is optimised to provide a
platform for a black background and increased dynamic range.
Simple Front panel features high-quality machined aluminium volume
control control and input selector knobs. The rear panel comprises gold-
functionality plated unbalanced (RCA) line inputs, line outputs and
preamplifier outputs.
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Single
Channel
Block
Diagram
Ultra Short Careful attention has been paid to the signal path within the
Signal path preamplifier. It is ultra short, guarded by ground planes where
necessary and carefully routed to avoid contamination from
external noise sources.
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7
Care and Maintenance
Note:
Never apply liquid directly to the SXP2.
Never use abrasives.
Never rub in a circular motion.
Cover
The cover features a durable high quality powder coat finish. To
remove finger marks and dirt, lightly rub the surface with a soft
cloth.
If the dirt is not removed, dip your cloth in a mild solution of
soap and water, squeeze excess moisture from it and then gently
reapply to the surface.
Stubborn dirt may be removed by the application of a small
quantity of isopropyl alcohol, applied directly to the cleaning
cloth only, and reworking the effected area.
Front Panel The SXP2 front panel features a high quality electroplate finish.
Over time the surface may retain finger marks and may need to
be cleaned to restore it to original condition.
Regular Cleaning
Gently wipe the front panel with a very clean cotton cloth. Wipe
across the surface and never in a circular motion.
Removing Stubborn Marks
Only attempt this infrequently, as too regular or vigorous
application may damage the surface.
Apply a small quantity of any car polish containing carnauba
wax to a very clean cotton cloth.
Note:
The car polish must state “Safe for Clear Coats” as the polish
will therefore contain the absolute minimum amount of
abrasive compound.
Gently wipe over the front panel in lateral motion, allow to dry
then gently wipe off with a very clean cotton cloth.
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8
Warranty Information
1 Year The Perreaux SXP2 is warranted free from defects in material
Limited and workmanship under normal use for a period of 1-year (365
Warranty days) from the date of purchase.
To extend the warranty of the Perreaux SXP2 to three (3) years
from date of purchase, please return a fully completed warranty
registration form along with a copy of the original receipt of
purchase to:
Perreaux Industries Ltd
PO Box 305
Mosgiel
Dunedin 9053
New Zealand
For the Extended Warranty Registration Form, please refer to
Chapter 9.
3 Year The extended warranty for the Perreaux SXP2 is three (3) years
Extended from the date of purchase. If during the warranty period the
Warranty SXP2 exhibits defects in materials and/or workmanship, it will
be repaired or replaced, at our option, without charge for either
parts or labour, at our factory in New Zealand. The warranty
does not apply to any unit that has been misused, abused or
altered.
Any unit that is not performing satisfactorily may be returned to
the factory in New Zealand for evaluation. Return authorisation
must first be obtained by either calling or writing to Perreaux
prior to shipping the unit. Perreaux Industries Ltd and it’s
authorised distributors and dealers shall not be held liable for any
freight or insurance charges. Freight and insurance charges to
and from the Perreaux factory will be the sole responsibility of
the owner of the unit.
There is no other express warranty on the SXP2. Neither this
warranty nor any other warranty, express or implied, including
any implied warranties of merchantability of fitness, shall extend
beyond the warranty period. No responsibility is assumed for
any incidental or consequential damages.
Obtaining In the event that you are experiencing difficulty with your SXP2,
Service please as a first step consult the troubleshooting guide in Chapter
10. For further assistance, please contact your Perreaux dealer.
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9
Extended Warranty
Registration Form
Please complete this form and either fax, mail or e-mail it, along
with a copy of the original receipt, to Perreaux Industries Ltd.
Fax:
+64 3 489 2976
Mail:
Perreaux Industries Ltd
PO Box 305
Mosgiel
Dunedin 9053
New Zealand
E-mail: [email protected]
Alternatively, complete the online Warranty Registration Form
ꢁ
3 Year Extended
Warranty Form
Name:
Address:
Suburb:
City:
Country:
Telephone:
E-mail:
Website:
Product:
S I L H O U E T T E S X P 2
Serial No:
Dealer:
Purchase Date:
/
/
d
d
m m
y
y
y
y
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10
Troubleshooting Guide
Please use this guide if you are experiencing any problems with
the SXP2 in your system. It will provide possible solutions for
some given symptoms.
There is no Interconnect cables not connected
output from
my system
Make sure that the input and output interconnect cables are
plugged in and are connected to the respective RCA sockets on
the rear of the SXP2.
Source not turned on
Check that your source component is plugged in to the mains and
the power is turned on.
Source not set to play
Ensure that your source component is playing the recording you
would like to listen to, and that pause is not pressed.
No volume setting
Make sure that the volume on your SXP2 is set to a suitable
level.
SXP2 set to incorrect input
Confirm that the input on your SXP2 is connected to the
appropriate source output.
Loud speakers not connected
Check that your loud speakers are firmly connected via cables
into the binding posts on the rear of the SXP2.
I can hear a Input sockets and/or output binding posts corroded
hum coming
through my
Check that the input and output RCA sockets and binding posts
on the rear of the SXP2 are free from corrosion.
loud
speakers
Interconnect cables damaged
Make sure that the integrity of your interconnect cables is sound
and they are firmly connected to your source and the SXP2.
SXP2 is close to external interference
Check the proximity of your SXP2 to any possible source of EMI
and/or RF interference, for example computers, televisions,
amplifiers, speakers, etc. Ideally the SXP2 should be placed as
close as possible to your source.
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11
Specifications
The correlation between published specifications and sonic
quality can be unreliable. A list of numbers reveals virtually
nothing. All technical measurements must be subject to
qualitative as well as quantitative interpretation. Measurements
of the SXP2 reveal excellent results by any standards.
Specifications Total Harmonic Distortion (THD+N):
in Brief
Typically...........................................................0.001%, @ 1kHz
20Hz to 20kHz.............................................................. <0.002%
Frequency Response:
20Hz–20kHz........................................................ +0dB, -0.05dB
5Hz–60kHz.......................................................... +0dB, -0.50dB
Signal to Noise Ratio (unweighted):........................................ 118dB
Crosstalk:
Channel to Channel............................................-120dB @ 1kHz
.........................................................................-98dB @ 20kHz
Input to Input .....................................................-120dB @ 1kHz
.........................................................................-97dB @ 20kHz
Channel Tracking:.............................................................. 0.50dB
Gain Range: ............................................................. -93dB to 0dB
Input Impedance:
Typically.............................................................................10kΩ
Potentiometer Type:......................................................Audio Log
Audio Connections
Inputs.........................................................3 pairs line level (RCA)
Outputs....................................................... 2 pairs pre-outs (RCA)
................................................................. 1 pair line level (RCA)
Overall Dimensions
Width........................................................................216mm (8.5”)
Depth........................................................................172mm (6.8”)
Height........................................................................ 58mm (2.3”)
Weight
Gross ..........................................................................1.7kg (3.7lb)
Net............................................................................. 1.1kg (2.4lb)
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Specifications THD+N.................................................................... 0.001%, @ 1kHZ
Explained
Total Harmonic Distortion + Noise is the percentage of output
signal which is made up of frequencies added due to harmonics
of the fundamental frequency and noise.
Frequency Response..................20Hz to 20kHz, +0dB -0.05dB
Shows that the amplitude or strength of the output signal deviates
by no more than 0.05dB over the entire audio band.
Signal to Noise Ratio (unweighted)........................................118dB
The ratio of desired signal to noise signals in the output.
Perreaux engineers have designed the SXP2 to maintain a low
noise floor.
Crosstalk.................................................................... -120dB @ 1kHz
Crosstalk is caused by stray inductances and capacitances
between components and lines, which results in unintentional
mixing of stereo signals. Meticulous wire routing ensures
excellent high-frequency separation.
Channel Tracking...................................................................0.50dB
Channel tracking is the difference in level between the left and
right channels. It is worst at the extremities of the potentiometers
rotation.
Gain Range...................................................................-93dB to 0dB
The range in which the SXP2 can alter the volume level. At the
minimum setting the volume level is -93dB, at the maximum
setting the level is 0dB.
Input Impedance....................................................................... 10kΩ
The resistance “load” that is presented to the source component
that is driving the SXP2.
Potentiometer Type.........................................................Audio Log
Potentiometers are available in a range of configurations and fall
into two major categories, linear and logarithmic. Audio taper
potentiometers are logarithmic and are widely used in audio
because the human ear responds on a logarithmic scale.
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12
Physical Dimensions
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13
Contact Details
For more information please contact your Perreaux dealer, or
contact:
Perreaux Industries Ltd
PO Box 305
Mosgiel
Dunedin 9053
New Zealand
Ph:
Fax:
+64 3 489 2975
+64 3 489 2976
E-mail: [email protected]
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Installation Notes
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