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IAG House, Sovereign Court, Ermine Business Park , Huntingdon, Cambs, PE29 6XU,UK
Tel: +44(0)1480 447700 Fax: +44(0)1480 431767 http://www.wharfedale.co.uk
IAG reserve the right to alter des ign and specification without noti ce.All rights r ese rved © IA G G rou p L td.
Wha rfe dale is a member of the Internati ona l Audi o Group.
User Manual
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Evolution² Evolution²
Evolution²
3
User Warnings
Quick Start Guide
About Your Loudspeaker
Specifications
Quality Assurance
CONTENTS
Please read the following notes carefully. They will help you to install your loudspeakers
correctly and safely.
Switch off the amplifier and all sources before making connections to your sound system.
When you switch on the system or change sources, set the volume control to minimum and
turn up the level gradually.
The position of your Volume Control is NOT a reliable guide as to the maximum capabilities of
your system. Playing the system with extreme settings of volume and tone controls may
damage the amplifier and loudspeakers.
Do not connect loudspeaker terminals to the mains supply.
Ensure that your loudspeakers are correctly wired and are in phase.
Do not subject your loudspeakers to excessive cold, heat or sunlight.
WARNING: To reduce the risk of fire or electrical shock do not expose this product to rain or
moisture.
The product must not be exposed to dripping and splashing and no object filled with liquids –
such as a vase of flowers – should be placed on the product.
No naked flame sources – such as candles – must be placed on the product.
Do not place heavy objects on top of loudspeaker cabinets. If you play them with the grilles
removed be careful to protect the drive units from children and pets.
Do not use makeshift stands. Always fit a manufacturer’ approved stand using the instructions
and the fixings provided. Your dealer will advise you.
Do not attempt to dismantle the loudspeaker. There are no user serviceable parts inside and
you will invalidate the warranty.
USER WARNINGS
2
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Evolution² Evolution²
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SETTING UP THE EVO SIGNATURE SERIES
Safely unpacking
Check you have:
Loudspeaker preparation
Positioning your loudspeakers
Connecting your loudspeakers
Looking after your loudspeakers
Always take care when lifting heavy objects.
Lift the speakers out by their sides.
If possible, keep the packaging in case you
need to move or return your speakers.
Carefully remove each loudspeaker from its packing
carton. Do NOT lift speakers via the polythene bag.
Be especially careful when removing large floorstanding speakers.
The carton top says, “Open other end”. So you,
– Open the bottom
– Remove polystyrene
– Open bag containing speaker
– Tape the carton flaps back
– Turn over carton with loudspeaker still inside
– Lift carton off, leaving loudspeaker standing on the
floor. You may now remove the polythene bag.
Your speakers are heavy. Take care when
removing them from their packaging.
SAFELY UNPACKING
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CHECK YOU HAVE:
LOUDSPEAKER PREPARATION
Evo-8,10 Evo-30,40,50
User Pack
User Pack
Accessories:
• Spike set (4)
• Soft floor spike seats
• Certificate of Authenticity
• History Booklet
• One Pair of White Gloves
Accessories:
• Certificate of Authenticity
• History Booklet
• One Pair of White Gloves
FITTING SPIKES (EVO-30,40,50)
Floor standing Evolution² speakers are supplied with a set of floor spikes. Invert the
loudspeaker and place the top on a soft
surface. Screw the spikes into the bushes
fitted in the base of the cabinet. Carefully
return the loudspeaker to its normal position. Adjust the height by screwing in or
out one or more of the spikes until the
loudspeaker is stable. For wood or soft
floors spike seats and self-adhesive pads
are provided.
WARNING: Floor standing speakers are
heavy - the spikes can penetrate softer
floors materials and damage wood and
stone floors over extended periods.
CONNECTIONS AND TERMINALS
Choosing and Preparing Cables
Specialist audio cable usually offers better performance than
general purpose ‘bell’ or ‘zip’ wire.
Choose a cable of suitable diameter – cable that is too thin
will limit the dynamics of the sound and may impair the bass
response. Audio cable is polarised, with two cores of different
colours, or often a raised rib of coloured tracer in the case of
twin cable.
Split the twin cores to a depth of about 40mm. Carefully strip
the insulation from each end, leaving about 10mm of bare
wire. If the cable is stranded, lightly twist to gather any loose
strands.
Crossover Networks
Evo loudspeakers use a specially designed bi-wireable crossover panel with four terminal binding posts. Please follow the
drawing carefully to see the correct orientation of the loudspeaker terminals. The upper terminals connect to the treble
unit and the lower pair to the bass units. As supplied, the treble terminal pair is connected to the bass terminal pair via
removable metal straps. These should be left in place for
standard single cable installations.
Connecting Loudspeaker Terminals
Unscrew the terminal. Thread the bared end of each cable
through the hole in the bottom of the terminal post. Ensure
that there are no loose strands which may touch adjacent terminals. Retighten the terminal securely.
NOTE: When connecting loudspeakers, the cables to left and
right channels should be of equal length, regardless of the distance of the speakers from the amplifier.
40mm
10mm
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Evolution² Evolution²
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CONNECTING HIFI SPEAKERS
POSITIONING YOUR SPEAKERS
Angle speakers inward by 5º to 30º
for a clearer, more tuneful mid range.
If the loudspeakers are placed too close to the walls the bass will increase but may
be boomy and indistinct. If the loudspeakers are placed further away from the
walls, the inward angle may be increased by upto 40%, although this may restrict
the width of the optimum listening position. As personal taste plays a large role,
experiment with different configurations and play a wide range of programme before
finalising the position of your speakers.
Positioning the speakers. Place the speakers so that you are the same distance from
each. The distance between the speakers
should be the same as between you and
the speakers.
For best results the speakers should be at
least 10 inches (20cm) in front of a wall
and at least 30 inches (70cm) from any
corner.
70cm
20cm
Single wired a single amplifier, link bars are fitted
Bi-wired – a single amplifier, with separate wires
to drive the bass/mid unit and the treble unit.
Note that the wiring link bars are removed.
Bi-amplified – two amplifiers.
One drives each section.
Note that the wiring link bars are removed.
Important Note, please make sure that heavy multi-standard
cables are well connected and clamped. Single loose strands
arcing can cause a noise in the woofers like a faulty speaker.
Using separate cables for
treble and bass units in a
Bi-wiring configuration
reduces intermodulation
effects and improves
headroom and clarity. To
Bi-wire, you will need to
install two lengths of twin
core cable between the
amplifier and each loudspeaker.
Unscrew each terminal a
few turns and remove the
metal straps.
Connect the cables between
the amplifier and the loudspeakers as indicated and
re-tighten all the terminals
securely.
Note: Some amplifiers have
two pairs of output terminals to facilitate bi-wiring
but this is not essential.
The advantages of bi-wiring
are fully retained if your
amplifier has only one pair
of output terminals per
channel (as in the illustration).
LEFT
SPEAKER
RIGHT
SPEAKER
RIGHT
SPEAKER
LEFT
SPEAKER
LEFT
SPEAKER
Amplifier
Amplifier
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Do not open the speakers; there are no
user serviceable parts inside.
Avoid getting any liquid behind the grille.
LOOKING AFTER YOUR LOUDSPEAKER
Remove marks from the cabinet and
polish it with a soft, slightly damp cloth.
11
ABOUT YOUR LOUDSPEAKER
The Evolution Signature series is a range of versatile loudspeakers designed for
superlative reproduction in Stereo applications and as the Front loudspeakers in
no-compromise Home Cinema applications where they offer a performance
unsurpassed in their class.
These loudspeakers exhibit exceptional performance characteristics based upon
the following concepts.
Very low distortion across the entire audio band.
Low excursion requirement of the cone drivers.
High flux magnet systems enabling good dynamic response and impulse
control.
Broadband dispersion for excellent stereo image and staging.
Careful attention to component design, operation, integration and acoustics.
THE CABINET
The enclosure of your speaker is finished to a high-quality furniture standard.
Real wood walnut veneers are selected and carefully pattern matched by hand.
Over a period of several days a high quality hard lacquer finish is achieved. This
involves the application of several coatings of lacquers, each being cut and polished before the next coat is applied. Only through this time-consuming and
skilled technique, can we achieve the deep and lustrous finish that is the characteristic hallmark of Wharfedale premium loudspeakers.
Instead of the usual cuboid shape, Evo loudspeaker cabinets feature a beautiful
curvaceous design, with a special purpose; - to reduce to negligible levels internal cabinet standing waves and reflections. Skilful engineering in ‘MDF’
(Medium Density Fibre Board), universally known to be one of the best enclosure materials, has resulted in an ideally shaped, very strong, internally multiple
braced, low resonance structure.
Parallel-sided tall boxes promote the creation of unwanted acoustic waveforms
within the box by reflection up and down its length; these both add and subtract
at different frequencies, creating anomalies in the forward response. The multiple curved and braced interior of the Evo cabinet prevents this - the result is a
soundstage of unexampled clarity and precision with pinpoint imaging, even frequency distribution and inherently low coloration.
THE EVOLUTION SIGNATURE SERIES
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THE DRIVE UNITS
THE BASS DRIVERS
The bass driver(s) incorporates a new design of cone utilising our own Kevlar bi-weave process. Kevlar has immense
longitudinal strength and is used in many structures where high strength and light weight are key attributes. Kevlar can
be found liberally used in Formula 1 racing cars, aeroplanes, boats, spacecraft, skis and even golf clubs.
These fibre bundles are woven and impregnated with special bonding resins that are subsequently pressure formed
and heat cured. The resulting material is stiff, rigid and exhibits very low levels of internal resonance. Consequently,
energy losses in the cone transfer mechanism are very low.
Similarly, lateral voice coil strength is very high. We use a combination of half hard aluminium and resin bonded glass
fibre. This, in turn, contributes towards some of the lowest distortion figures ever seen in conventional drivers. The dust
cap/cover is of the same material as the cone.
The bass drivers operate only over the low frequency range. They are only used over their true pistonic range. The cone
is terminated with a conventional large half roll of synthetic butyl rubber with excellent inherent damping qualities.
A high performance traditional ferrite magnet system is used. Motional noise can be a problem with high output bass
systems. We address this by moving air through vents in the voice coil. The magnet system is also fully vented
throughout.
THE BASS MIDRANGE DRIVERS (Evo-30,40,50)
In any system featuring a cone bass/mid driver, performance and dispersion in the upper midrange band is critical, and
even more so when (as in our Evo 30 and 40 models) the midrange driver is crossing over to a dome tweeter,even one
with as wide and well maintained a response as our Evo dome tweeters.
By using a very low mass ultra stiff Kevlar cone in our bass/midrange drivers we provide virtually loss-less energy
transfer from the coil ensuring good impulse and dynamic response times. This, combined with a carefully developed
cone profile and a precisely shaped central coil cap projection, allows the higher bass and midrange frequencies to
provide not just extension but also wide dispersion at the bass unit's upper crossover point. The result is a seamless
crossover transition to the tweeter without the compromised off-axis performance usually associated with most 2 way
designs.
13
THE 5Omm SOFT DOME MIDRANGE (Evo-50)
Derived from our flagship ‘Airedale Heritage’ loudspeaker, we have designed a series of dome mid-range
units which are exclusively used in our high-end loudspeaker products. Although costly to produce, the
benefits of a using a dome mid-range – particularly one with such as wide bandwidth as our own – are
lower distortion through this region, better integration throughout the frequency spectrum and an
extremely wide dispersion - all contributing to a very relaxed, natural presentation.
Because each driver in a multi-way system covers a smaller bandwidth, dynamic range and transient
response are hugely improved. Often this is at the cost of frequency integration but when our unique
dome technology is deployed, integration between upper and lower drive units is virtually seamless.
THE 25mm 1” SOFT DOME TWEETER
The highest frequencies are handled by a soft dome driver. Our extensive research has proven these are
a better choice than the metallic based domes that typically add their own character to the treble.
A feature of the tweeters, as with the mids, is wide dispersion and very low distortion, again typically
less than 1% at 100dB at 1 metre. The unit features a high flux neodymium magnet structure,
producing a typical efficiency of 93dB 1W@1m. This unit has a frequency response extending far
beyond audible frequencies to around 45kHz.
THE CROSSOVER AND WIRING
High quality OFC cable is used in each loudspeaker for internal wiring. High quality resin fibreglass
printed circuit boards are used throughout, and all connections are made to audiophile standards.
All inductors used are perfect layering wound and bonded and use large gauge wire for very low
insertion loss.
All capacitors used are either, low loss, low ERC polypropylene or high quality audio grade reversible
electrolytics.
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Evolution² Evolution²
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Evo-8
2 Way
6.5” 175mm
1” 25mm
6 Ohms
4.0–16.0
50Hz-28kHz
40Hz
32kHz
88dB
<7%
<1%
100 Watts
30–200W
109dB
90 to 12kHz
70 to 12kHz
ported
15.3 litres
45Hz
2.2kHz
15 & 25mm MDF
17167
0371
380 x 227 x 356
8.1kg x2
490 x 575 x 395
18.5kg
Evo-10
2.5 Way
6.5” 170mm
6.5” 170mm
1” 25mm
6 Ohms
4.0–17.0
35Hz-28kHz
35Hz
32kHz
89dB
<5%
<1%
125 Watts
50–250W
111dB
90 to 12kHz
70 to 12kHz
ported / sealed
28 / 15 litres
35Hz
150Hz,2.2kHz
15 & 25mm MDF
17169
17168
0371
920 x 229 x 400
20.8kg
1060 x 600 x 460
46.0kg
Evo-30
2 Way
5” 125mm
1” 25mm
6 Ohms
4.0 - 17.0
55Hz-28kHz
45Hz
32kHz
87dB
<7%
<1%
75 Watts
30–150W
107dB
90 to 12kHz
70 to 12kHz
ported
10 litres
50Hz
2.0kHz
15 & 25mm MDF
13118
0367
330 x 185 x 336
7.0kg x 2
440 x 485 x 375
15.5kg
15
Evo-40 Evo-50
3 Way
6.5” 170mm
6.5” 170mm
2” 50mm
1” 25mm
6 Ohms
4.0-27.0
30Hz-28kHz
27Hz
32kHz
90dB
<5%
<1%
150 Watts
50–300W
113dB
90 to 15kHz
70 to 15kHz
ported / sealed
33 / 13 litres
30Hz
150Hz, 1.3kHz, 6.5kHz
15 & 25mm MDF
17169
17168
07104A
0371
1160 x 229 x 400
25.6kg
1270 x 600 x 460
58.0kg
2.5 Way
6.5” 170mm
6.5” 170mm
1” 25mm
6 Ohms
4.0-16.0
30Hz-28kHz
30Hz
32kHz
89dB
<5%
<1%
150 Watts
50–300W
112dB
90 to 12kHz
70 to 12kHz
ported / sealed
37 / 15 litres
35Hz
150Hz, 2.2kHz
15 & 25mm MDF
17169
17168
0371
1110 x 229 x 400
24.0kg
1250 x 600 x 460
54.0kg
LOUDSPEAKER SPECIFCATIONS
Transducer Complement
Cone Bass driver
Cone Bass/Mid Driver
Soft Dome Midrange
Soft Dome Tweeter
Nominal impedance
Impedance variation (Ohms)
Frequency response +/- 3dB
Low frequency limit -10dB
Upper frequency limit -10dB
SPL 1W @ 1m
Typical Distortion - to 300Hz
(100dB@1m) - over 300Hz
Continuous Programme Power
Recommended Amplifier Power
Max Peak SPL
Nominal coverage horizontal
Nominal coverage vertical
Enclosure type bass/mid
Volumes bass/mid
System Fb
Crossover frequencies
Construction material
Finish
Component part numbers
Bass driver
Bass/Mid Driver
Dome Midrange Driver
Tweeter
Product dimensions H x W x D
Net weight
Carton dimensions H x W x D
Gross weight
Especially selected Deep Figured Walnut Veneer sealed with "natural feeling" semi matt hardcoat clear lacquer. All trims finished in tungsten metallic.
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Evolution² Evolution²
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Frame material
Cone & dome material
Surround
Spiders
Coil size & type
Winding spec
Magnet (D1 x D2 x H)
Magnet weight
Gap flux density
Top plate thickness
Optimum working range
Venting
Thiele Small parameters
Effective cone diameter
Re
Fs
Qms
Qes
Qts
Mms
Cms
Vas
BL
Aluminium
Woven Kevlar
s r b p Single roll
Single
25mm Aluminium
4 layer Cu x 11.5mm
70 x 32 x 15 ferrite
106gm
0.9 T
6mm
40Hz – 500Hz
Coil, pole
4 –
ö4
140mm
5.8Ù
40Hz
7.13
0.69
0.63
28.11gm
0.54mm/N
17.76L
7.78t/m
170mm (6.5”) Bass 170mm (6.5”) Bass/Mid 170mm (6.5”) Bass/Mid
Aluminium
Woven Kevlar
s r b p Single roll
Single
25mm Aluminium
2 layer Cu x 11.2mm
70 x 32 x 15 ferrite
106gm
1.0 T
6mm
54Hz–4000Hz
Coil, pole
4 –
ö4
140mm
5.8Ù
54Hz
4.67
0.84
0.71
16.62gm
0.51mm/N
16.77L
6.3t/m
Aluminium
Woven Kevlar
s r b p Single roll
Single
25mm Aluminium
2 layer Cu x 15mm
70 x 32 x 15 ferrite
106gm
1.0 T
6mm
54Hz–4000Hz
Coil, pole
4 –
ö4
140mm
3.4Ù
54Hz
4.75
0.66
0.58
17.17gm
0.51mm/N
16.94L
5.48t/m
17168 17169 17167
BASS AND BASS/MIDRANGE DRIVE UNIT SPECIFICATIONS
Crossover sections
Type
Wiring
Connections
2 way, 2.5 way, 3 way
Butterworth
HQ OFC cable
solder
CROSSOVER SPECIFICATIONS
Part number
Dome material & size
Coil size & type
Magnet d1 x h
Magnet weight
SPL 1w @ 1m
Fs
Frequency range -3dB
Upper frequency limit -10dB
Distortion at 100dB @ 1m
0367
25mm textile
25mm aluminium
25.4 x 4mm Neodynium
14gm
93dB
1.3kHz
800Hz–40kHz
45kHz
typically < 1%
TWEETER SPECIFICATIONS
17
Aluminium
Woven Kevlar
s r b p Single roll
Single
25mm Aluminium
2 layer Cu x 11.5mm
80 x 32 x 15 ferrite
168gm
1.0 T
6mm
58Hz–5000Hz
Coil, pole
4 – ö4
105mm
3.4Ù
58Hz
3.14
0.37
0.33
8.01gm
0.93mm/N
9.69L
5.22t/m
Part number
Dome material & size
Coil size & type
Magnet d1 x d2 x h
Magnet weight
SPL 1w @ 1m
Fs
Frequency range -3dB
Upper frequency limit -10dB
Distortion at 100dB @ 1m
07104A
50mm textile
50mm aluminium
48.5 x 20 x 5 Neodynium
84gm
92dB
0.00kHz
600Hz–12kHz
18kHz
typically < 1%
MIDRANGE SPECIFICATIONS
125mm (5”) Bass/Mid
13118
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Evolution² Evolution²
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18 19
Produced after 13th August 2005.
Waste electrical products should not be disposed of with
household waste. Please recycle where facilities exist.
Check with your Local Authority or retailer for recycling advice.
TECHNICAL SUPPORT AND INFORMATION
PRINCIPAL SERVICE ADDRESSES
UK
IAG Service Centre
Unit 4, St Margaret’s Way
Stukeley Meadows Industrial
Estate
Huntingdon, Cambs,
PE29 6EB
England
Tel:+44 (0)1480 452561
Fax: +44 (0)1480 13403
www.wharfedale.co.uk
ASIA
Room 2310 - 2311 Press
Building,
Shennan Road C,
Shenzhen,
China
Tel: +86-755-82091200
Fax: +86-755-82091205
WARRANTY, SERVICE AND SUPPORT
QUALITY MANAGEMENT
Your loudspeakers have been constructed to the highest standards of quality
throughout.
The acoustic components and the whole system have been manufactured to
very tight
tolerances of +/- 1.5 decibel of sound pressure level for each driver throughout the operation range of the unit.
All drive unit components are referenced to the original test record set on file
in our factory quality control department.
This enables us to give a extended guarantee of identical replacement parts
should they ever be required.
Servicing of Opus products should only be carried out by authorised service
agents. If service is required the equipment should be returned, securely packaged, preferably using original packaging, to your dealer.
In the UK equipment may be returned to the IAG Service Centre. In the USA
equipment may be returned to the Service address shown on this page.
Always telephone before returning any equipment. A note should be enclosed
giving your name, address, telephone number, and a brief description of the
reason for return.
If you require Service outside the Warranty period, do not hesitate to contact
your dealer.
CROSSOVER SCHEMATICS
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